Information Technology Jobs in Fairfax, VA

Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide.

SOS International LLC (SOSi) is seeking a Fire Safety Specialist to provide support for a Facilities and Life Support Contract performed at an overseas location.

Essential Job Duties

• Must have a willingness to work on a call-in basis to resolve equipment deficiencies impacting facility operations.

Minimum Requirements

• Active in scope Secret security clearance.
• Must have a minimum of five (5) years of experience in the installation of fire detection, alarm, control, and suppression systems.
• Must have reach-back capability of a professional engineer licensee resource available that holds, as a minimum, a National Institute for Certification in Engineering Technologies (NICET) Level III and be a certified technician in fire protection systems who is legally qualified to practice in the United States with the requisite experience.

Work Environment

• Must reside at an overseas location.
• Long hours, exposure to harsh weather and other hazardous conditions.
• Wearing of location appropriate PPE and clothing when in the field is required.

Working at SOSi

All interested individuals will receive consideration and will not be discriminated against for any reason.

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 primary responsibility of the Senior Preconstruction Manager is to intake and steer construction opportunities through the RFP stage of estimating and preconstruction, all the way through a successful buyout and purchasing phase, before turning the project over to Operations. The Senior Preconstruction Manager will coordinate heavily with Corporate Operational leadership and resources, as well as the Estimating team for the purpose of submitting comprehensive proposals during the project pursuit and pre-construction phases. The successful candidate will be able to identify, coordinate, and communicate proposal development between all internal and external stakeholders.

Responsibilities:

• Coordinate all project pursuit and pre-construction deliverables from commencement of project pursuit with Corporate, Operational leadership and Estimating
• Review project documentation for quality, content, and constructability
• Identify all required deliverables for the project pursuit / pre-construction effort, and make assignments to the appropriate internal/external stakeholder
• Manage the project pursuit / pre-construction effort timeline, setting deadlines as required to ensure an on time and quality deliverable to the client
• Coordinate with corporate marketing to develop proposal documents as required
• Actively manage the client during the project pursuit / pre-construction effort and maintain a strong relationship throughout to help ensure success
• Assure potential risk factors have been evaluated and reviewed with management
• Coordinate constructability resolutions and request pricing of alternative design concepts
• Ensure preliminary construction schedules are developed in accordance with estimates
• Review cost models during the pre-construction and bidding period
• Assist with contract documents
• Consult with Operation leadership, scheduling, estimating, legal, cost control, and procurement activities
• Monitor design progress for compliance with defined cost, schedule, and quality criteria for the purpose of revising proposals and coordinating resolution of constructability issues during design

Qualifications:

• Degree in Construction, Engineering, or related field desired
• Minimum 10 years of experience in Construction
• Preferred multidisciplinary experience in several (but not all) of the following areas: Preconstruction, Estimating, and Operations
• Estimating and scheduling experience desired
• Experience using computer-based estimating systems desired
• Strong written and verbal communication skills required
• Adept at problem-solving in a manner that avoids conflicts between parties
• Represent the company in a positive manner
• Coordinate the responsibilities of others in the preparation of estimates and budgets
• Understand client-specific standards

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 Chief Estimator 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.

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 primary responsibility of the Preconstruction Manager is to intake and steer construction opportunities through the RFP stage of estimating and preconstruction, all the way through a successful buyout and purchasing phase, before turning the project over to Operations. The Preconstruction Manager will coordinate heavily with Corporate Operational leadership and resources, as well as the Estimating team for the purpose of submitting comprehensive proposals during the project pursuit and pre-construction phases. The successful candidate will be able to identify, coordinate, and communicate proposal development between all internal and external stakeholders.

Responsibilities:

• Coordinate all project pursuit and pre-construction deliverables from commencement of project pursuit with Corporate, Operational leadership and Estimating
• Review project documentation for quality, content, and constructability
• Identify all required deliverables for the project pursuit / pre-construction effort, and make assignments to the appropriate internal/external stakeholder
• Manage the project pursuit / pre-construction effort timeline, setting deadlines as required to ensure an on time and quality deliverable to the client
• Coordinate with corporate marketing to develop proposal documents as required
• Actively manage the client during the project pursuit / pre-construction effort and maintain a strong relationship throughout to help ensure success
• Assure potential risk factors have been evaluated and reviewed with management
• Coordinate constructability resolutions and request pricing of alternative design concepts
• Ensure preliminary construction schedules are developed in accordance with estimates
• Review cost models during the pre-construction and bidding period
• Assist with contract documents
• Consult with Operation leadership, scheduling, estimating, legal, cost control, and procurement activities
• Monitor design progress for compliance with defined cost, schedule, and quality criteria for the purpose of revising proposals and coordinating resolution of constructability issues during design

Qualifications:

• Degree in Construction, Engineering, or related field desired
• Minimum 5 years of experience in Construction
• Preferred multidisciplinary experience in several (but not all) of the following areas: Preconstruction, Estimating, and Operations
• Estimating and scheduling experience desired
• Experience using computer-based estimating systems desired
• Strong written and verbal communication skills required
• Adept at problem-solving in a manner that avoids conflicts between parties
• Represent the company in a positive manner
• Coordinate the responsibilities of others in the preparation of estimates and budgets
• Understand client-specific standards

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.

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.

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.