Engineering Jobs in Ashburn Virginia

At ACI we build our company and our culture not by counting people, but by making our people count!

Atlantic Constructors is seeking dynamic, motivated, career minded individuals to join our expanding team! Atlantic Constructors has been recognized as an industry leader in the Mid-Atlantic Region for over 50 years.

Benefits:

• Medical Insurance Plans
• Dental Insurance Plan
• Vision Insurance Plan
• 401(K) Retirement Plan with Generous Company Matching
• Health Savings Plan

Atlantic Constructors offers competitive benefits, for more information check out our comprehensive list on our website.

Summary/Objective:

ACI's MEP Project Managers oversee all aspects of planning and implementing the delivery of our commercial construction projects, including Mechanical, Plumbing, Sheet Metal, HVAC, Electrical, Fire Protection (sprinkler), and our respective subcontractors. PM's are knowledgeable in the design and construction of MEP systems and will be responsible for reviewing plans and specifications for design and constructability issues.

Essential Functions:

• Build and maintain a positive relationship with internal project teams, our customers, subcontractors, and key vendors
• Build positive morale on the project site
• Coordinate with various internal departments such as pre-construction, sales, safety, purchasing, CAD/BIM, and fabrication shops as well as client personnel and others to: Develop and maintain a construction plan and schedule
• Scope out vendor quotes and purchase equipment and material
• Scope out subcontractors and issue subcontracts
• Provide guidance for the fabrication schedule
• Daily monitoring of key metrics daily (manpower, material/equipment deliveries, etc.) and mentors site leadership to support the timely execution and completion of the work within budget with no defects or accidents
• Prepare, monitor, and maintain project budgets, and reports to senior management on key metrics
• Create Revenue Forecasts, Schedule of Values, Cash Flow analysis, and other financial analysis
• Identify changes in scope, prepares pricing, and submits potential change orders to customer
• When necessary, develop recovery plans to bring a project that is experiencing issues, such as issues with safety, quality, or production back on trac
• Performs other duties as assigned

Supervisory Responsibility: Yes

Required:

• Preferred bachelor's degree in Mechanical Engineering OR related field, and/or 8+ years of experience; or equivalent combination of education and experience
• Excellent communication and interpersonal skills
• Must be able to apply innovative and effective management techniques
• Proficient in Microsoft Office Suite
• Must be a self-starter, be able to work with minimal supervision, follow written and oral instructions, show attention to detail, and demonstrate problem-solving skills
• Must be able to pass post-offer pre-employment drug screen, and may be required to satisfactorily complete additional background checks as required (i.e., DMV, criminal history)
• Must adhere to all company policies and procedures
• Must be available to work assigned schedules

The work environment and physical demands required would be representative of those that must be met by an employee to successfully perform the essential functions of this job, and may include, but are not limited to the following:

Work Environment:

• May work in varying temperatures; both inside and outside, including inclement weather, heat, humidity, cold and dampness
• May work in areas with exposure to moderate/high noise levels
• May be exposed to fumes or airborne particles including dust
• May be required to work in confined spaces or from high heights

Physical Demands:

• While performing duties of the job the employee may work aloft, climb, bend, pull, reach overhead, stand/walk for long periods of time and lift up to 50 lbs
• Frequently is required to use hands to finger, handle or feel objects, tools or controls; and reach with hands and arms
• Must be able to correctly identify all colors of a color-coded cable/wires and see close vision, distance vision, depth perception, peripheral vision and ability to adjust focus

Travel:

• May require some travel

Preferred:

• Lean six sigma black belt certification
• Familiarity with the BIM process
• Prior experience with Procore - Project Management System
• Prior military experience

Visit us at for more information!

Suffolk is a national enterprise that builds, innovates, and invests. We provide value across the entire project lifecycle through our core construction management services and complementary business lines in real estate investment, design, self-perform construction, and technology start-up investment (Suffolk Technologies). By integrating data, artificial intelligence, and advanced technology through our Seamless Platform, we connect design, construction, and operations to deliver smarter, more predictable results and redefine how America builds.

Suffolk – America’s Contractor – is a national company with more than $8 billion in annual revenue, 3,000 employees, and 17 offices, including Boston (headquarters), New York City, Miami, West Palm Beach, Tampa, Estero, Dallas, Los Angeles, San Francisco, San Diego, Las Vegas, Herndon, U.S. Virgin Islands, and other key markets. Suffolk manages some of the most complex and transformative projects in the country, serving clients across healthcare, life sciences, education, gaming, aviation, transportation, government, mission critical, and commercial sectors. Suffolk is privately held and is led by founder, chairman and CEO John Fish. Suffolk is ranked #8 on ENR’s list of “Top CM-at-Risk Contractors.” For more information, visit and follow Suffolk on Facebook, Twitter, LinkedIn, YouTube, and Instagram.

The Role:

Suffolk is seeking people who are bold. Curious. Innovative. Caring. Looking for the career opportunity of a lifetime. We’ll challenge and inspire you to be your very best. We’ll embrace what makes you unique and lift you up as you take chances. Here, you’ll find a place where you can act with purpose and integrity, bringing intelligence and grit to every aspect of your job. Join us for the chance to achieve your ambitions and build your legacy.

The Director of Preconstruction is a critical team member responsible for overseeing project strategy development, management of risk, fostering business growth, and creating and advancing relationships with clients and partners. This role is responsible for leadership and guidance of a team of preconstruction managers.

Responsibilities:

• Lead team responsible for responses to RFPs and position SCCI as a contract partner of choice
• Build and maintain relationships with all internal and external stakeholders
• Coordinate closely with Lead Estimators to establish continuously refined scopes of work
• Coordinate closely with Operations’ client account managers to help ensure consistency of service
• Coach, mentor, and develop preconstruction management team
• Facilitate relationships between preconstruction managers, Operations teams, planning teams, digital engineering, Suffolk Design, and marketing teams
• Coordinate work with internal departments to leverage the use of company tools
• Direct continuous improvement and change management processes within the department
• Participate in Go/No Go Process for new client pursuits
• Oversee prequalification progress and tracking of awarded trade partner contracts
• Establish and ensure conformance with SCCI general conditions staffing models
• Serve as final
• Oversee coordination of bid forms, bonds and insurance requirements for the bid
• Create and manage preconstruction services proposals
• Take part in client presentations and attend interviews
• Oversee coordination of trade contract production in accordance with SCCI SOPs
• Manage communication with clients through award decision after bid submissions
• Exhibit and Reinforce SCCI Core Values

Qualifications:

• Bachelor’s Degree, preferably in Civil Engineering, Construction Management, Architecture or related field
• 15 or more years of experience in Estimating, Procurement, or Project Management
• Demonstrated communication and presentation skills
• Collaborative leadership style
• Deep technical knowledge of construction with experience in data centers preferred
• Understanding of market conditions and ability to foster competitive advantage
• Experience in all aspects of preconstruction to include scheduling, staffing, and risk management
• Experience working with and leading geographically dispersed teams is preferred
• Experience with design-build project delivery is preferred

While performing the duties of this job, the employee is regularly required to sit for long periods of time; talk or hear; perform fine motor, hand and finger skills in the use of a keyboard, telephone, or writing. The employee is frequently required to stand; walk; and reach with arms and/or hands. Specific vision abilities include close vision, distance vision, depth perception and the ability to adjust focus. The employee will spend their time in an office environment with a quiet to moderate noise level. Job site walking.

Suffolk provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, pregnancy or maternity, national origin, citizenship, genetic information, disability, protected veteran, gender identity, age or any other status protected by law. This policy applies to recruiting, hiring, transfers, promotions, terminations, compensation, benefits, and all other terms and conditions of employment. Suffolk will not tolerate any unlawful discrimination toward, or harassment of, applicants or employees by anyone at Suffolk, or anyone working on behalf of Suffolk.

EdgeCore Digital Infrastructure serves the world’s largest cloud and internet companies with both ready-for-occupancy and build-to-suit data center campuses that are designed for density. Privately held and backed by committed equity to fund an aggregate amount of over USD $16.5 billion in development, EdgeCore enables hyperscale customer requirements by proactively investing in regions that provide the land and power necessary to support and scale AI and cloud technology. While working thoughtfully with the communities in which we do business, our data center campuses are built at scale to meet key performance specifications, safety metrics and sustainability objectives. EdgeCore has data center campuses in six North American markets with plans to expand into new regions in 2026 and beyond. For more information, please visit .

This position is open to candidates located in or willing to work from the Sterling, VA or Denver, CO areas.

Career Opportunity

EdgeCore is seeking an experienced Procurement Associate to join its high-performing and growing Procurement team. This position will report directly to the Vice President of Procurement and will perform procurement and sourcing analysis, tactical buying, contract management and supplier management across the company. This individual will act as the procurement right hand for EdgeCore’s Design & Construction team.

Responsibilities

• Support and execute EdgeCore’s procurement strategy, including system and process optimization, sourcing, purchasing, and contract management
• Oversee tactical procurement activities, partnering with multiple business unit owners on RFP creation, vendor selection, contract negotiation, order implementation including delivery/ service tracking and overall supplier management
• Prioritize and balance stakeholder needs and client delivery timelines while also adhering to procurement processes
• Manage purchase requisitions and triage to the appropriate sourcing process based on spend and project complexity
• Drive supplier performance management initiatives, including coordinating regular supplier evaluations and Quarterly Business Reviews for key suppliers
• Conduct spend analysis to identify cost reduction and supplier efficiency opportunities
• Support procurement policy development and drive consistent adoption and execution
• Demonstrate behaviors consistent with EdgeCore’s culture of integrity, quality, consistency, and corporate confidentiality
• Security is a shared responsibility. All employees are required to comply with company security policies and procedures and to help protect company information, systems, and assets in the course of their daily work.

Your Experience and Qualifications

• Bachelor’s degree in Business, Supply Chain Management, Finance, Construction, Engineering or a similar field is preferred, but not required
• 3 - 5 years of experience in procurement, contract management, or similar professional experience. Experience in data centers, real estate, construction, architecture, site operations or facilities will also be an advantage.
• Strong understanding of sourcing activities from site development through construction turnover including but not limited to designers, architects, engineers, and general contractors.
• Experience working in E-Builder and/or Coupa is advantageous but not required.
• Deep knowledge of Microsoft Office suite (PowerPoint, Excel, Word)
• Exceptional verbal and written communication skills, including the ability to present information in a compelling and concise format.
• Strong organizational skills, with the ability to prioritize and manage multiple projects simultaneously in a high-pressure setting.
• Ability to demonstrate tact, discretion, confidentiality, and good judgement in handling sensitive and confidential matters and documentation.
• Detail oriented strategic thinker.
• A team player with a strong and natural affinity for learning.
• Self-starter with high- initiative, accountability, and motivation.

What We Offer

• Onsite position based in either Sterling, VA or Denver, CO with free parking.
• Full-time salaried, exempt role: Includes equity compensation and a performance-based annual bonus.
• Annual base salary range: $85,000 - $112,000, depending on experience and location.
• In-office expectations: This role requires in-office presence four days per week.
• Travel: 10%
• Medical, dental, and vision insurance: Includes a $0-premium medical plan option (employee only option).
• Flexible Spending Accounts & Health Spending Account: Health & Dependent Care FSA, Limited-Purpose FSA, and an HSA with a company contribution.
• Paid time off: 120 hours of annual paid time off, 11 paid holidays, 7 sick days, and 8 hours of volunteer time annually.
• Retirement savings: 401(k) retirement savings plan with a company contribution.
• Life and disability insurance: Company-paid life and disability insurance.
• Parental leave: Paid parental leave for eligible new parents, available after meeting service requirements.
• Employee assistance program (EAP): Confidential support services for employees and their families, including counseling, financial guidance, and legal resources.
• Educational assistance: Company-sponsored educational reimbursement for approved courses and certifications.
• Employee support & discounts: Access to company-sponsored discount programs and employee well-being resources.

Job Title: Fire Protection Design Manager - PE

Location: Hybrid - Ashburn, Virginia, United States **Relocation Available**

Salary: $150,000-$180,000 + Benefits & Company Profit Sharing

Skills: Fire Protection Design, Team Leadership, NICET III/IV Certification, AutoSprink, Project Coordination

About the Construction Company / The Opportunity:

Our client, a leading organization in the construction industry, specializes in delivering comprehensive fire protection services for industrial, commercial, and residential projects. This is a unique opportunity for a results-driven Fire Protection Design Manager to lead a high-performing design team and oversee the full spectrum of fire sprinkler system designs in a hybrid work setting. You’ll leverage innovative solutions, mentor talented professionals, and advance safety standards while enjoying competitive pay and industry-leading benefits.

Responsibilities:

• Lead, mentor, and develop the fire sprinkler design team to ensure high performance and growth.
• Oversee all aspects of fire sprinkler system design for a variety of applications, including industrial, commercial, and residential projects.
• Provide technical guidance and support to sales and project management teams as required.
• Ensure robust quality control and produce effective, efficient, and code-compliant designs.
• Review project progress and budgets with the design team, driving accountability and cost management.
• Collaborate with project managers and field superintendents to anticipate scheduling, procurement, and project delivery needs.
• Review and ensure compliance with material and design specifications within each project’s contractual scope.

Must-Have Skills:

• NICET Level III or IV certification in Fire Protection Engineering Technology—Water-Based Systems.
• Minimum 5 years of experience as a Design Manager leading fire protection design teams.
• Extensive hands-on experience with AutoSprink software for fire protection layout and design.
• Proven expertise in fire sprinkler systems in high-rise, multi-family, storage facilities, warehouses, and data centers.
• Strong leadership, communication, and organizational skills.
• Clean motor vehicle record and ability to pass a pre-employment drug screening.

Nice-to-Have Skills:

• Professional Engineer (PE) license or eligibility for licensure.
• Experience in technical training or staff development for design professionals.
• Exposure to recent fire protection technologies and fabrication best practices.
• Expertise working with a range of fire protection systems including pumps and special hazards.
• Familiarity with project management and scheduling software tools.

Suffolk is a national enterprise that builds, innovates, and invests. We provide value across the entire project lifecycle through our core construction management services and complementary business lines in real estate investment, design, self-perform construction, and technology start-up investment (Suffolk Technologies). By integrating data, artificial intelligence, and advanced technology through our Seamless Platform, we connect design, construction, and operations to deliver smarter, more predictable results and redefine how America builds.

Suffolk – America’s Contractor – is a national company with more than $8 billion in annual revenue, 3,000 employees, and 17 offices, including Boston (headquarters), New York City, Miami, West Palm Beach, Tampa, Estero, Dallas, Los Angeles, San Francisco, San Diego, Las Vegas, Herndon, U.S. Virgin Islands, and other key markets. Suffolk manages some of the most complex and transformative projects in the country, serving clients across healthcare, life sciences, education, gaming, aviation, transportation, government, mission critical, and commercial sectors. Suffolk is privately held and is led by founder, chairman and CEO John Fish. Suffolk is ranked #8 on ENR’s list of “Top CM-at-Risk Contractors.” For more information, visit and follow Suffolk on Facebook, Twitter, LinkedIn, YouTube, and Instagram.

The Role:

The MEP Estimator is responsible for developing cost estimates for Mechanical, Electrical, and Plumbing (MEP) systems in various construction projects. This position involves collaboration with project managers, design teams, subcontractors, and vendors to ensure accurate budgeting and project forecasting for large-scale projects. The MEP Estimator plays a key role in the preconstruction process, contributing to informed decision-making and ensuring projects are completed on time and within budget.

Responsibilities:

• Prepare detailed MEP estimates (Mechanical, Electrical, Plumbing) for construction projects in the Mission Critical sector, in particular Data Centers
• Analyze project drawings, specifications, and addenda to determine project scope and required materials, labor, and equipment.
• Collaborate with internal teams (project management, engineering, procurement) and external parties (architects, subcontractors, vendors) to develop accurate cost estimates.
• Solicit and evaluate pricing from MEP subcontractors and suppliers to ensure competitive and complete estimates.
• Prepare cost comparisons and value engineering options to optimize project efficiency and reduce costs without compromising quality.
• Track and monitor market trends, material pricing, and labor costs to ensure estimates are current and competitive.
• Provide risk analysis and identify potential project challenges related to MEP systems and budgets.
• Participate in client and team meetings to present estimates, address questions, and explain cost drivers.
• Support bid submissions and negotiate with subcontractors/vendors as needed.
• Maintain and update estimating databases, templates, and historical cost data.

Qualifications:

• Bachelor's degree in Mechanical, Electrical, or Civil Engineering, Construction Management, or a related field (or equivalent experience).
• 5+ years of experience in estimating MEP systems for construction projects.
• Strong understanding of MEP systems, codes, and construction methods.
• Proficiency in estimating software (e.g., OST, Bluebeam) and MS Office Suite.
• Knowledge of market conditions and pricing trends for MEP materials and labor.
• Excellent analytical, mathematical, and problem-solving skills.
• Strong communication and negotiation skills to collaborate with clients, subcontractors, and team members.
• Ability to work independently and meet deadlines in a fast-paced environment.
• Attention to detail and a commitment to accuracy in estimates and forecasts.
• Experience with design-build and preconstruction phases for large-scale commercial projects and familiarity with BIM (Building Information Modeling) processes and technologies a plus.

While performing the duties of this job, the employee is regularly required to sit for long periods of time; talk or hear; perform fine motor, hand and finger skills in the use of a keyboard, telephone, or writing. The employee is frequently required to stand; walk; and reach with arms and/or hands. Specific vision abilities include close vision, distance vision, depth perception and the ability to adjust focus. The employee will spend their time in an office environment with a quiet to moderate noise level. Job site walking.

Suffolk provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, pregnancy or maternity, national origin, citizenship, genetic information, disability, protected veteran, gender identity, age or any other status protected by law. This policy applies to recruiting, hiring, transfers, promotions, terminations, compensation, benefits, and all other terms and conditions of employment. Suffolk will not tolerate any unlawful discrimination toward, or harassment of, applicants or employees by anyone at Suffolk, or anyone working on behalf of Suffolk.

Suffolk is a national enterprise that builds, innovates, and invests. We provide value across the entire project lifecycle through our core construction management services and complementary business lines in real estate investment, design, self-perform construction, and technology start-up investment (Suffolk Technologies). By integrating data, artificial intelligence, and advanced technology through our Seamless Platform, we connect design, construction, and operations to deliver smarter, more predictable results and redefine how America builds.

Suffolk – America’s Contractor – is a national company with more than $9 billion in annual revenue, 3,000 employees, and 17 offices, including Boston (headquarters), New York City, Miami, West Palm Beach, Tampa, Estero, Dallas, Los Angeles, San Francisco, San Diego, Las Vegas, Herndon, U.S. Virgin Islands, and other key markets. Suffolk manages some of the most complex and transformative projects in the country, serving clients across healthcare, life sciences, education, gaming, aviation, transportation, government, mission critical, and commercial sectors. Suffolk is privately held and is led by founder, chairman and CEO John Fish. Suffolk is ranked #8 on ENR’s list of “Top CM-at-Risk Contractors.” For more information, visit and follow Suffolk on Facebook, Twitter, LinkedIn, YouTube, and Instagram.

At Suffolk, we believe that our total rewards program should offer you and your family the support you need when it matters most. That’s why we have created a program that provides employees with access to a wide variety of options that can be personalized to support you and your loved ones physically, emotionally, and financially.

Benefits include, competitive salaries, auto allowances and gas cards for certain roles, access to market leading medical and emotional and mental health benefits, dental, and vision insurance plans, virtual care options for physical therapy and primary care, generous paid time off, 401k plan with employer match and access to expert financial resources, company paid and voluntary life insurance, tax deferred savings accounts, 10 backup daycare days each year, short- and long-term disability, commuter benefits and more. For more information, click here.

The Role:

The Estimator is responsible for the coordination of all project budgeting, including preparing quantity surveys, obtaining subcontractor pricing, reviewing historical cost data and ensuring compliance with scope of work, as well as offering construction feasibility and value engineering counsel. The Estimator must stay abreast of industry materials and labor pricing trends and developments to deliver accurate and timely estimates for preconstruction, hard bids, negotiated bids, value engineering, general conditions and systems studies and comparisons. The Estimator also provides administrative support to the Chief Estimator, engages in consistent communications with trade partners, maintains up-to-date records of bids, and manages the prequalification process for the hiring of trade partners.

Responsibilities:

Unit Cost Pricing:

• Clearly understand the complexity of the scope of work as shown on the construction documents
• Prepare detailed take offs of materials
• Prepare detailed labor estimates utilizing man-hours, crews and equipment
• Organize the material and labor information for pricing
• Solicit material prices from suppliers
• Obtain current labor rates
• Prepare unit prices by "Building the Project in your Head."
• Verify and compare your unit prices or the price of a system with a subcontractor and previous similar estimates
• Understand the influence of market conditions on pricing

Subcontractor Solicitation & Selection:

• Prepare subcontractor list from S4 program, or manually
• Prepare Bid Invitations
• Prepare subcontractor bid packages including transmittals, drawings and specifications
• Follow up with subs regarding bidding and update the subcontractor list
• Prepare scope sheets for subcontractors, and review scope of work

Subcontractor Relationships & Feedback:

• Keep Subcontractors up to date with project information and addenda during the bidding process
• Answer subcontractor questions
• Prepare RFI's to the design team

Preconstruction Abilities:

• Assist the Senior Estimator with quantity take offs and subcontractor solicitation
• Prepare document lists and correspondence during pre-construction

Conceptual Estimating:

• Assist the Senior Estimator by preparing take off quantities of areas and counts of items

Hard Bid and Design Build Estimating:

• Procure drawings and specifications from architect or owner
• Date stamp all drawings and spec books
• Confirm SCCI is listed in all publications
• Confirm with architect/owner that all construction documents have been received and send documents to printer
• Put construction documents in plan room
• Create bid binder or bid box. Take off of items to be priced by SCCI. We should attempt to do a complete Control Estimate
• Attend site visits
• Read all assigned plans and specs completely
• Call to confirm local building permit rates
• Call the architect the day before the bid and confirm all addenda and supplemental information has been received
• Assist in the creation of bid packages for the subs

Turn Over Meetings:

• Assist the Senior Estimator in compiling the Turn Over Meeting package
• Attend the Turn Over Meeting

Exhibit B's & Scope Sheets:

• Assist the Senior Estimator with Exhibit B and scope sheet preparation

Quality Control of Departments Bids and Estimates:

• Prepare thorough scope of work spreadsheets. Always try to prepare a thorough control estimate for every trade you are responsible for. Meet deadlines and allow time for review of your work with the Senior or Chief Estimator

Bid Day Activities:

• Develop a "Plug" number for your trade using the most up to date information available the night before the bid
• Complete the scope of work/pricing spread sheets ASAP
• Follow up with subcontractors for any missing information
• Review all pricing and subcontractor information with the Senior and Chief Estimator

Post Bid Activities:

• Attend any review meetings with the Senior or Lead Estimator. If called to the table or awarded the bid, review the estimate and discuss strategy with the team for any holes, value management, or potential profit pockets
• Attend weekly staff meetings and report on status of assignments
• Attend Training classes as required

Qualifications:

• Bachelor’s Degree, preferably in Civil Engineering, Construction Management, Architecture, or related field.
• 3-6 years of experience in Estimating, or equivalent
• Quantity Surveys, Take off skills, Computer skills
• Working knowledge of Excel spread sheets, and Word processing programs.
• Ability to take off material quantities from a set of SD, DD & CD documents and present information that is organized, thought out and easy to follow
• Understanding of Construction Documents
• Knowledge of the contents of each CSI section
• Ability to read & interpret blue prints in order to understand the scope of work at SD, DD and CD phases of design
• Ability to coordinate construction document plans, details and specifications
• Candidate must possess Suffolk’s Core Values: Passion, Integrity, Hard Work, Professionalism, and Caring

While performing the duties of this job, the employee is regularly required to sit for long periods of time; talk or hear; perform fine motor, hand and finger skills in the use of a keyboard, telephone, or writing. The employee is frequently required to stands; walk; and reach with arms and/or hands. Specific vision abilities include close vision, distance vision, depth perception and the ability to adjust focus. The employee will spend their time in an office environment with a quiet to moderate noise level. Job site walking.

Suffolk provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, pregnancy or maternity, national origin, citizenship, genetic information, disability, protected veteran, gender identity, age or any other status protected by law. This policy applies to recruiting, hiring, transfers, promotions, terminations, compensation, benefits, and all other terms and conditions of employment. Suffolk will not tolerate any unlawful discrimination toward, or harassment of, applicants or employees by anyone at Suffolk, or anyone working on behalf of Suffolk.

Suffolk is a national enterprise that builds, innovates, and invests. We provide value across the entire project lifecycle through our core construction management services and complementary business lines in real estate investment, design, self-perform construction, and technology start-up investment (Suffolk Technologies). By integrating data, artificial intelligence, and advanced technology through our Seamless Platform, we connect design, construction, and operations to deliver smarter, more predictable results and redefine how America builds.

Suffolk – America’s Contractor – is a national company with more than $9 billion in annual revenue, 3,000 employees, and 17 offices, including Boston (headquarters), New York City, Miami, West Palm Beach, Tampa, Estero, Dallas, Los Angeles, San Francisco, San Diego, Las Vegas, Herndon, U.S. Virgin Islands, and other key markets. Suffolk manages some of the most complex and transformative projects in the country, serving clients across healthcare, life sciences, education, gaming, aviation, transportation, government, mission critical, and commercial sectors. Suffolk is privately held and is led by founder, chairman and CEO John Fish. Suffolk is ranked #8 on ENR’s list of “Top CM-at-Risk Contractors.” For more information, visit and follow Suffolk on Facebook, Twitter, LinkedIn, YouTube, and Instagram.

At Suffolk, we believe that our total rewards program should offer you and your family the support you need when it matters most. That’s why we have created a program that provides employees with access to a wide variety of options that can be personalized to support you and your loved ones physically, emotionally, and financially.

Benefits include, competitive salaries, auto allowances and gas cards for certain roles, access to market leading medical and emotional and mental health benefits, dental, and vision insurance plans, virtual care options for physical therapy and primary care, generous paid time off, 401k plan with employer match and access to expert financial resources, company paid and voluntary life insurance, tax deferred savings accounts, 10 backup daycare days each year, short- and long-term disability, commuter benefits and more. For more information, click here.

The Role:

The Assistant Estimator is responsible for assisting with all aspects of estimating including pre-construction, hard bids, negotiated bids, budgets, systems studies and comparisons, value engineering, subcontractor relations and staying abreast of industry developments applicable to estimating.

Responsibilities:

Subcontractor Solicitation & Selection:

• Follow up with subs regarding bidding and update the subcontractor bid list.
• Understand a scope of work prepared by an Estimator or Senior Estimator and provide scoping assistance.
• Write and send out an Invitation to Bid.

Subcontractor Relationships & Feedback:

• Assist the Estimator in keeping subcontractors up to date with project information and addenda during the bidding process.
• Send out documents, bid clarifications and addenda to subs.
• Receive sub RFI's and transmit to Estimators.

Preconstruction, Conceptual and Design Build Estimating:

• Assist the Estimator with basic quantity take offs.

Hard Bid Estimating:

• Assist the Estimator with basic quantity take offs.
• Assist the Estimator and Senior Estimator on bid day
• Call subcontractors for pricing
• Check the fax machines and mail boxes for bids and distribute bids to the Estimators.
• Create transmittals for the printer.
• Prepare bid packages to be sent to the subs.
• Prepare trade spread sheets and list scope of work with the project Estimator(s).
• Log in sub pricing to the bid spread sheets.
• Participate in sub scope review meetings.
• Participate in project walkthroughs as required.

Post Bid Activities:

• Assist the Estimating Coordinator, after the bid goes in, with organizing the bid box and checking to make sure that each sub is entered into the S4 database.

Turn Over Meetings:

• Assist the Estimator and Senior Estimator in compiling the Turn Over Meeting package

Exhibit B & Scope Sheets:

• Assist in developing Exhibit Bs
• Attend weekly staff meetings
• Report on status of assignments

Attend Training classes as required:

Qualifications:

• Bachelor’s Degree, preferably in Electrical Engineering, Mechanical Engineering, Construction Management, Architecture or related field
• 2-5 years of experience in MEP Estimating or equivalent; Electrical Estimating experience preferred.
• Working knowledge of Excel spread sheets, and Word processing programs.
• Experience with estimating software such as Intellibid, Accubid, Timberline, OST, MC2
• Knowledge of the contents of each CSI section.
• Ability to read & interpret blue prints in order to understand the scope of work at SD, DD and CD phases of design.
• Ability to coordinate construction document plans, details and specifications.
• Ability to apply CD details to a conceptual set of documents to capture all cost impacts of the details.

While performing the duties of this job, the employee is regularly required to sit for long periods of time; talk or hear; perform fine motor, hand and finger skills in the use of a keyboard, telephone, or writing. The employee is frequently required to stand; walk; and reach with arms and/or hands. Specific vision abilities include close vision, distance vision, depth perception and the ability to adjust focus. The employee will spend their time in an office environment with a quiet to moderate noise level. Job site walking.

Suffolk provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, pregnancy or maternity, national origin, citizenship, genetic information, disability, protected veteran, gender identity, age or any other status protected by law. This policy applies to recruiting, hiring, transfers, promotions, terminations, compensation, benefits, and all other terms and conditions of employment. Suffolk will not tolerate any unlawful discrimination toward, or harassment of, applicants or employees by anyone at Suffolk, or anyone working on behalf of Suffolk.

Job Title: Commissioning Engineer

Location: Sterling, VA

About Us

At Vertical Mechanical Group (VMG), we are dedicated to delivering top-tier projects in the Mechanical and Plumbing sector. We pride ourselves on innovation, quality, and teamwork. As we continue to grow, we are seeking a talented and motivated Commissioning Engineer to join our dynamic team.

We are looking for a detail-oriented and driven Commissioning Engineer to join our commissioning team. This position reports directly to the Commissioning Manager and plays a critical role in ensuring the quality and performance of our mechanical and plumbing systems. The ideal candidate will have a strong background in mechanical and plumbing systems, excellent problem-solving skills, and the ability to manage multiple tasks effectively.

Objective

The primary objective of this position is to oversee the installation, commissioning, and maintenance of Building Automation Systems (BAS) and HVAC controls across our commercial projects. This leadership role is essential to ensuring projects are completed on time, within budget, and to the highest standards of quality and performance.

Key Responsibilities

Field Management Responsibilities

• Lead and manage the installation and commissioning of BAS and HVAC control systems for commercial projects.
• Supervise and provide guidance to technicians, subcontractors, and other team members to ensure seamless project execution.
• Coordinate with project managers, engineers, and contractors to align with project goals and deliverables.
• Troubleshoot and resolve technical issues related to BAS and control systems.
• Perform calibration, configuration, service, and maintenance of controls and subsystems.
• Conduct routine system updates, troubleshooting, and utilize diagnostic tools to resolve issues in a timely manner.
• Ensure compliance with all safety protocols, project specifications, and industry standards.
• Inspect, test, and verify control systems to ensure optimal performance and adherence to design specifications.

Engineering Responsibilities

• Develop detailed control system submittals outlining control strategies, network architecture, and integration requirements. Prepare system schematics, wiring diagrams, and riser diagrams to support project implementation.
• Review project design documents, specifications, and sequence of operations to validate alignment with project scope and operational objectives.
• Identify discrepancies or inefficiencies in control sequences and propose optimizations to improve system performance.
• Coordinate with procurement and project teams to ensure timely and cost-effective acquisition of materials.

Qualifications

• Proven experience in Building Automation Systems (BAS) and HVAC controls.
• Familiarity with Schneider, JCI, Siemens, Pritchett, or NAVSys control systems or platforms.
• Strong leadership and team management skills.
• Proficiency with major control platforms such as Trane, Siemens, Johnson Controls, or Honeywell.
• Exceptional troubleshooting and problem-solving abilities.
• Excellent communication skills for both technical and client-facing interactions.
• Knowledge of industry standards, codes, and regulations.
• Ability to manage multiple projects and priorities effectively.
• Bachelor's degree in Mechanical Engineering, Electrical Engineering, or a related field.
• Certifications in BAS or HVAC controls preferred.

Suffolk is a national enterprise that builds, innovates, and invests. We provide value across the entire project lifecycle through our core construction management services and complementary business lines in real estate investment, design, self-perform construction, and technology start-up investment (Suffolk Technologies). By integrating data, artificial intelligence, and advanced technology through our Seamless Platform, we connect design, construction, and operations to deliver smarter, more predictable results and redefine how America builds.

Suffolk – America’s Contractor – is a national company with more than $8 billion in annual revenue, 3,000 employees, and 17 offices, including Boston (headquarters), New York City, Miami, West Palm Beach, Tampa, Estero, Dallas, Los Angeles, San Francisco, San Diego, Las Vegas, Herndon, U.S. Virgin Islands, and other key markets. Suffolk manages some of the most complex and transformative projects in the country, serving clients across healthcare, life sciences, education, gaming, aviation, transportation, government, mission critical, and commercial sectors. Suffolk is privately held and is led by founder, chairman and CEO John Fish. Suffolk is ranked #8 on ENR’s list of “Top CM-at-Risk Contractors.” For more information, visit and follow Suffolk on Facebook, Twitter, LinkedIn, YouTube, and Instagram.

At Suffolk, we believe that our total rewards program should offer you and your family the support you need when it matters most. That’s why we have created a program that provides employees with access to a wide variety of options that can be personalized to support you and your loved ones physically, emotionally, and financially.

Benefits include, competitive salaries, auto allowances and gas cards for certain roles, access to market leading medical and emotional and mental health benefits, dental, and vision insurance plans, virtual care options for physical therapy and primary care, generous paid time off, 401k plan with employer match and access to expert financial resources, company paid and voluntary life insurance, tax deferred savings accounts, 10 backup daycare days each year, short- and long-term disability, commuter benefits and more. For more information, click here.

The Role:

The Senior Estimator is responsible for all aspects of estimating the most complex and large-scale jobs, including pre-construction, hard bids, negotiated bids, budgets, general conditions, systems studies and comparisons, value engineering, subcontractor relations and staying abreast of industry developments applicable to estimating.

Responsibilities:

• Ensure that the estimating process runs smoothly and efficiently, and client expectations are exceeded throughout the duration of the project(s)
• Build relationships to understand client, designer and subcontractor needs and expectations
• Effectively facilitates collaboration amongst team members
• Effectively communicate with all stakeholders
• Manage Assistant Estimators
• Participate in business development activities, presentations, and interviews
• Lead the Estimating team including Assistant Estimators, MEP Estimators and Career Start team members on projects
• Develop others and act as a Subject Matter Expert (SME)
• Prepare an in-house budget and GMP
• Prepare quantity take-offs and apply unit pricing for material and labor to establish a value for the work
• Understand the full scope of the project through document review and asking questions of the design team and owner
• Prepare value engineering and risk analysis
• Prepare qualifications and assumptions for the estimate
• Prepare cost comparisons/reconcile with previous estimates
• Reconcile with outside Estimators
• Lead constructability reviews
• Manage Subcontractor solicitation & selection process
• Prepare Exhibit B, and/or scope sheets
• Ensure quality control of departments bids and estimates

Qualifications:

• Bachelor’s Degree, preferably in Civil Engineering, Construction Management, Architecture, or related field
• Minimum of 8 years of experience in Estimating, or equivalent
• Computer skills
• Working knowledge of Excel spread sheets, and Word processing programs
• Experience with estimating software such as Timberline, OST, MC2
• Understanding of the influence of market conditions on pricing
• Candidate must possess Suffolk’s Core Values: Passion, Integrity, Hard Work, Professionalism, and Caring

While performing the duties of this job, the employee is regularly required to sit for long periods of time; talk or hear; perform fine motor, hand and finger skills in the use of a keyboard, telephone, or writing. The employee is frequently required to stands; walk; and reach with arms and/or hands. Specific vision abilities include close vision, distance vision, depth perception and the ability to adjust focus. The employee will spend their time in an office environment with a quiet to moderate noise level. Job site walking.

Suffolk provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, pregnancy or maternity, national origin, citizenship, genetic information, disability, protected veteran, gender identity, age or any other status protected by law. This policy applies to recruiting, hiring, transfers, promotions, terminations, compensation, benefits, and all other terms and conditions of employment. Suffolk will not tolerate any unlawful discrimination toward, or harassment of, applicants or employees by anyone at Suffolk, or anyone working on behalf of Suffolk.

Suffolk is a national enterprise that builds, innovates, and invests. We provide value across the entire project lifecycle through our core construction management services and complementary business lines in real estate investment, design, self-perform construction, and technology start-up investment (Suffolk Technologies). By integrating data, artificial intelligence, and advanced technology through our Seamless Platform, we connect design, construction, and operations to deliver smarter, more predictable results and redefine how America builds.

Suffolk – America’s Contractor – is a national company with more than $8 billion in annual revenue, 3,000 employees, and 17 offices, including Boston (headquarters), New York City, Miami, West Palm Beach, Tampa, Estero, Dallas, Los Angeles, San Francisco, San Diego, Las Vegas, Herndon, U.S. Virgin Islands, and other key markets. Suffolk manages some of the most complex and transformative projects in the country, serving clients across healthcare, life sciences, education, gaming, aviation, transportation, government, mission critical, and commercial sectors. Suffolk is privately held and is led by founder, chairman and CEO John Fish. Suffolk is ranked #8 on ENR’s list of “Top CM-at-Risk Contractors.” For more information, visit and follow Suffolk on Facebook, Twitter, LinkedIn, YouTube, and Instagram.

Role:

The Director of Estimating is responsible for managing the Mission Critical Estimating team, including identifying bid opportunities, managing the bid process, delivery of bids, staff development, making cost adjustments and assigning estimating personnel and resources.

This position can be located in Boston, MA, or Herndon, VA.

Responsibilities:

Department and Staff Management:

• Assign Estimating team members to projects. Balance and manage time of staff.
• Lead bid strategies.
• Create estimating templates and tools to increase overall effectiveness of the department.
• Create monthly estimating reports to track estimating success.
• Create and track the Mission Critical Estimating budget.
• Perform strategic and business planning for the department.
• Attend executive staff meetings.
• Develop talent on the Mission Critical Estimating team by coaching and providing feedback, and performing annual performance reviews. Create individual development plans for each staff member’s career growth.

Unit Cost Pricing:

• Prepare detailed take off of materials by clearly understanding the complexity of the scope(s) of work as shown on the construction documents.
• Prepare detailed labor estimates utilizing production hours, crews and equipment.
• Organize the material and labor information for pricing.
• Solicit material prices from suppliers.
• Obtain current labor rates.
• Prepare unit prices by "Building the Project in your Head."
• Verify and compare your unit prices or the price of a system with a subcontractor and previous similar estimates.
• Review all unit pricing on projects prepared by the Estimator. Make changes as required.
• Understand the influence of market conditions on pricing.
• Track all current market conditions.

Bid Activities:

• Review or compile GC's with the Senior Estimator and review with senior management.
• Assure on time delivery of bids and estimates, reviewing final plans and specifications with the Estimating team.
• Review of subcontractor selection and scopes and subcontractor/trade close outs on bid day.
• Review scope sheets and pricing with Estimating team members, ensuring that trade summary ties into bid form.
• Close out the subcontractor bid process.
• Review plans and specs with the lead Estimator.
• Assist the lead Estimator in directing additional staff assignments on bid day.
• Manage bid day activities by ensuring completion of bid forms, managing the clock and trying to develop a competitive advantage.
• Follow up with the client regarding bid results.
• Make Subcontractor, A/E fees, overhead, and fee recommendations to upper management.
• Identify pre-construction fees for Suffolk, where applicable

Qualifications:

• Bachelor’s Degree, preferably in Civil Engineering, Construction Management, Architecture or related field
• 15+ years of experience estimating Mission Critical projects
• Quantity Surveys, Take off skills, Computer Skills
• Working knowledge of Excel spread sheets, and Word processing programs
• Ability to work with and manage a team
• Understanding of Construction Documents specific to Mission Critical projects
• Knowledge of the contents of each CSI section.
• Ability to read & interpret blue prints in order to understand the scope of work at SD, DD and CD phases of design.
• Ability to coordinate construction document plans, details and specifications.
• Ability to apply CD details to a conceptual set of documents to capture all cost impacts of the details.
• If called to the table or awarded the bid, review the estimate and discuss strategy with the team for any holes, value management, or potential profit pockets

While performing the duties of this job, the employee is regularly required to sit for long periods of time; talk or hear; perform fine motor, hand and finger skills in the use of a keyboard, telephone, or writing. The employee is frequently required to stand; walk; and reach with arms and/or hands. Specific vision abilities include close vision, distance vision, depth perception and the ability to adjust focus. The employee will spend their time in an office environment with a quiet to moderate noise level. Job site walking.

Suffolk provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, pregnancy or maternity, national origin, citizenship, genetic information, disability, protected veteran, gender identity, age or any other status protected by law. This policy applies to recruiting, hiring, transfers, promotions, terminations, compensation, benefits, and all other terms and conditions of employment. Suffolk will not tolerate any unlawful discrimination toward, or harassment of, applicants or employees by anyone at Suffolk, or anyone working on behalf of Suffolk.