Engineering Jobs in Lemay, MO

About Us

Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. With $7.6 billion in revenue for 2024, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for industrial, commercial, institutional, and residential related building projects.

The Role We Want You For

As the Project Manager (Mechanical Procurement), you will lead HVAC/mechanical procurement from award through closeout—executing the buyout strategy, managing vendor performance, and ensuring equipment and materials arrive on time and per contract. You will partner with Clayco project teams, design partners, and field leadership to coordinate submittals, releases, logistics, and change management while maintaining strong supplier relationships and driving favorable commercial outcomes.

The Specifics of the Role

• Develop and execute project-specific mechanical procurement strategies from award to closeout, aligned to schedule, budget, and project standards.
• Lead vendor sourcing, qualification, and negotiations; establish and maintain relationships with OEMs, reps, distributors, fabricators, and service partners.
• Manage contracts/purchase orders for mechanical scopes (equipment, materials, services); track compliance to terms, insurance, and deliverables.
• Coordinate and manage the submittal process (equipment, specialties, controls, startup requirements), including review cycles and release milestones.
• Own order management and expediting: monitor lead times, manufacturing progress, FATs (when applicable), shipping, storage, and just-in-time deliveries.
• Drive coordination with field teams on access, rigging/setting plans, sequencing, and site constraints; resolve delivery and installation conflicts early.
• Manage changes: evaluate impacts, price change orders, document scope, and coordinate approvals with vendors and the project team.
• Approve invoices as required; verify received quantities, freight, tax, and alignment to progress/billing terms.
• Support closeout: warranties, O&M manuals, as-built documentation handoff inputs, spare parts, training/startup documentation, and final supplier reconciliation.
• Assist in seeking, exploring, and securing new revenue and procurement opportunities across the mechanical supply base (volume agreements, preferred vendors).

Requirements

• Strong knowledge of mechanical construction and HVAC systems/equipment; able to interpret plans/specs and manage procurement deliverables end-to-end.
• 5+ years of procurement experience preferred with demonstrated success managing buyout through closeout; strong mechanical/HVAC background required.
• Proven ability to manage multiple vendors and schedules simultaneously, including long-lead equipment and logistics constraints.
• Strong commercial acumen: contract terms, negotiations, escalation, freight, warranty/service provisions, and risk management.
• Excellent communication and documentation skills; proficiency with Excel and common PM/procurement platforms.
• Experience supporting large-scale commercial/industrial projects and major HVAC equipment procurement (AHUs, RTUs, chillers, boilers, pumps, BAS/controls) preferred.
• Experience building or administering volume purchasing agreements / preferred supplier programs preferred.

Some Things You Should Know

• Our clients and projects are nationwide – Travel will be required.
• No other builder can offer the collaborative design-build approach that Clayco does.
• We work on creative, complex, award-winning, high-profile jobs.
• The pace is fast!
• This position is classified as a safety-sensitive role in accordance with applicable state and federal laws. Candidates selected for this position will be subject to a comprehensive background check, which includes mandatory drug testing.

Why Clayco?

• 2025 Best Places to Work – St. Louis Business Journal, Los Angeles Business Journal, and Phoenix Business Journal.
• 2025 ENR Midwest – Midwest Contractor (#1).
• 2025 ENR Top 100 Design-Build Firms – Design-Build Contractor (Top 5).
• 2025 ENR Top 100 Green Contractors – Green Contractor (Top 3).
• 2025 ENR Top 25 Data Center Builders – Data Center Contractor (Top 3).

Benefits

• Discretionary Annual Bonus: Subject to company and individual performance.
• Comprehensive Benefits Package Including: Medical, dental and vision plans, 401k, generous PTO and paid company holidays, employee assistance program, flexible spending accounts, life insurance, disability coverage, learning & development programs and more!

Compensation

• The salary range for this position considers a wide range of factors in making compensation decisions including but not limited to: Education, qualifications, skills, training, experience, certifications, internal equity, and location. Compensation decisions are dependent on the facts and circumstances of each case.

About Us

Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. With $7.6 billion in revenue for 2024, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for industrial, commercial, institutional, and residential related building projects.

The Role We Want You For

The Field Administrative Assistant takes the lead in providing comprehensive support to Clayco Project Managers, Project Engineers, Superintendents, Mission Control and Technical Services, as assigned. Prepare daily and monthly reports, checks outboxes and distributes mail. Assist Clayco in document management by entering and processing of subcontracts, purchase orders, letters of intent, change orders, safety audits, submittals, bid packages, entering punch-list items and updating the information thru the completion of the job and other paper work processing. Follow up with subcontractors and suppliers if executed documents are missing. Arrange meetings, travel, and ordering food if required, In addition; greet and direct visitors, workers, deliveries, and overall assistance to the entire project team and activities taking place on job site with whatever is needed to accomplish the company’s objectives. Acts on own initiative, with a minimal amount of supervision, and yet is a team player. This person is assigned to project teams and will need to be organized, focused and a quick learner.

The Specifics of the Role:

• Prepares correspondence (typing).
• Readily assists with whatever is needed to accomplish the company’s objectives. This includes typing, filing, copying, binding, scanning, and whatever else is necessary. This will also include document retrieval for auditing and litigation as needed.
• Retrieves, scans, transmits and electronically (or physically) distributes executed subcontracts, change orders and other documents associated with projects. This is an extremely important responsibility.
• May type contracts, change orders, letters of intent, meeting minutes, etc., and distribute as required. May also help obtain, assemble and assist with project closeout.
• May assist in entering punch list items and updating the information thru the completion of the job.
• Routinely will run reports and dunning letters on projects as required.
• Enter Daily Reports for Clayco and Subcontractors each day and follow up with Subcontractors on missing paperwork.
• Update rack drawing with the most current issues on a timely basis. This may be daily.

Requirements:

• Interested in learning the business – evolving into someone who will look for solutions to issues and not just pass along messages.
• A diligent, mature, responsible individual – who is a self-starter, is detail-oriented and attentive to the needs of others.
• Able to handle deadlines in pressure situations, with a sense of urgency about the work being performed.
• Organized with the ability to set priorities and take direction.
• A Team Player, ready to assist in any role, who is positive, with a winning attitude, and one who enjoys a challenge.
• Embraces change and recognizes the benefits with a positive outlook.
• Is attentive to detail and accuracy, is committed to excellence, looks for improvements continuously, monitors quality levels, finds root cause of quality problems, owns/acts on quality problems.
• Communicates well both verbally and in writing, creates accurate and punctual reports, delivers presentations, shares information and ideas with others, has good listening skills.

Why Clayco?

• 2025 Best Places to Work – St. Louis Business Journal, Los Angeles Business Journal, and Phoenix Business Journal.
• 2025 ENR Midwest – Midwest Contractor (#1).
• 2025 ENR Top 100 Design-Build Firms – Design-Build Contractor (Top 5).
• 2025 ENR Top 100 Green Contractors – Green Contractor (Top 3).
• 2025 ENR Top 25 Data Center Builders – Data Center Contractor (Top 3).

Benefits

• Comprehensive Benefits Package Including: Medical, dental and vision plans, 401k, generous PTO and paid company holidays, employee assistance program, flexible spending accounts, life insurance, disability coverage, learning & development programs and more!

Compensation

• The hourly pay for this position considers a wide range of factors in making compensation decisions including but not limited to: Education, qualifications, skills, training, experience, certifications, internal equity, and location. Compensation decisions are dependent on the facts and circumstances of each case. This is a contract based position.

About Us

Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. With $7.6 billion in revenue for 2024, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for industrial, commercial, institutional, and residential related building projects.

The Role We Want You For

As a Project Director, you will be based on the construction project siteand provide leadership on projects as the "single point of contact" for the owner, design department, and the project staff. Ensure quality and timely execution of design-build projects from design to completion and deliver the best solutions on projects valued anywhere from a $60 million to over $250 million. At Clayco, The Project Director will work with marketing, pre-construction services, business unit leaders, and mentoring Project Managers and Engineers and have overall responsibility for these projects.

The Specifics of the Role

• Build client and subcontractor relationships.
• Team with Architects, Engineers, and Planners to create and manage a design schedule.
• Establish project forecasts and budgets.
• Manage costs.
• Accept full responsibility for project execution.
• Mentor and develop project management staff.

Requirements

• Bachelor’s Degree in Construction Management, Engineering, Architecture or related.
• 15-20 years of experience managing construction projects ($100+ million) ideally design-build.
• Demonstrated knowledge of construction principles, practices, and technology.
• Previous experience leading a successful project management team.
• Ability to walk a job site, climb ladders, and scale multi-floor scaffolding.
• Ability to lift objects of at least 50 lbs.

Some Things You Should Know

• This position will service our clients in St. Louis, MO.
• Our clients and projects are nationwide – Travel will be required.
• No other builder can offer the collaborative design-build approach that Clayco does.
• We work on creative, complex, award-winning, high-profile jobs.
• The pace is fast!
• This position is classified as a safety-sensitive role in accordance with applicable state and federal laws. Candidates selected for this position will be subject to a comprehensive background check, which includes mandatory drug testing.

Why Clayco?

• 2025 Best Places to Work – St. Louis Business Journal, Los Angeles Business Journal, and Phoenix Business Journal.
• 2025 ENR Midwest – Midwest Contractor (#1).
• 2025 ENR Top 100 Design-Build Firms – Design-Build Contractor (Top 5).
• 2025 ENR Top 100 Green Contractors – Green Contractor (Top 3).
• 2025 ENR Top 25 Data Center Builders – Data Center Contractor (Top 3).

Benefits

• Discretionary Annual Bonus: Subject to company and individual performance.
• Comprehensive Benefits Package Including: Medical, dental and vision plans, 401k, generous PTO and paid company holidays, employee assistance program, flexible spending accounts, life insurance, disability coverage, learning & development programs and more!

Compensation

• The salary range for this position considers a wide range of factors in making compensation decisions including but not limited to: Education, qualifications, skills, training, experience, certifications, internal equity, and location. Compensation decisions are dependent on the facts and circumstances of each case.

About Us

Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. With $7.6 billion in revenue for 2024, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for industrial, commercial, institutional, and residential related building projects.

The Role We Want You For

The primary function of the Miscellaneous Metals Estimator, Steel Procurement is to provide accurate bid proposals for Miscellaneous Metals and scope analysis for potential construction projects.

The Specifics of the Role:

• Responsible for accurate material quantity take-off
• Develops comprehensive, detailed proposal for the project estimated
• Maintain project budget throughout each project, with profit and loss accountability
• Identify opportunities for change orders and establish cost where applicable
• Prepare, issue and track change order status for material above and beyond the original contract
• Develop options and recommend best value solutions based on cost, engineering, quality, or availability of materials
• Additional responsibilities include quote review, project management, and material purchasing
• Ensure department achieves goals through management and leadership mentality
• Functions as Lead Estimator

Requirements:

• 5+ years of experience
• Bachelors degree in Construction management or Engineer recommended.
• Knowledge of construction principles/practices required
• Problem-solving skills, with an adaptable and flexible style in working with all types of individuals
• Project set up, budget planning, buy out, and cost reporting experience is a must
• Good understanding of critical path scheduling.
• Energetic and highly motivated with a strong sense of urgency
• Entrepreneurial and self-motivated, with the ability to work equally well on own as well as in a team environment.
• Knowledge and understanding of building construction combined with steel design concepts presented on architectural and engineering drawings
• Ability to understand construction drawings and specifications.
• Ability to work with Microsoft Office Suite, On-Screen Estimating software and ACC Build
• Knowledge of Miscellaneous Metals
• Knowledge and understanding of building construction combined with steel design concepts presented on architectural and engineering drawings
• Ability to understand construction drawings and specifications
• Ability to prepare proposals with minimum supervision
• Candidates must have a strong understanding of detailed estimating, estimating techniques and cost control
• Strong written and verbal communication skills. Candidates should be able to clearly articulate bid inclusions, exclusions, and proposal clarifications with owners and subcontractors
• Must be able to multitask and prioritize responsibilities
• Review proposals, specifications, drawing, attend pre-bid meetings, etc…to determine scope of work and develop quantity take-offs
• Develops and maintains relationships with general contractor
• Responsible for buyout process with Project Manager.

Some Things You Should Know

• Our clients and projects are nationwide – Travel will be required.
• No other builder can offer the collaborative design-build approach that Clayco does.
• We work on creative, complex, award-winning, high-profile jobs.
• The pace is fast!
• This position is classified as a safety-sensitive role in accordance with applicable state and federal laws. Candidates selected for this position will be subject to a comprehensive background check, which includes mandatory drug testing.

Why Clayco?

• 2024 Best Places to Work – Crain’s Chicago Business, St. Louis Business Journal, Los Angeles Business Journal, and Phoenix Business Journal.
• 2024 ENR Midwest – Midwest Contractor (#1).
• 2024 ENR Top 100 Design-Build Firms – Design-Build Contractor (Top 5).
• 2024 ENR Top 100 Green Contractors – Green Contractor (Top 5).

Benefits

• Discretionary Annual Bonus: Subject to company and individual performance.
• Comprehensive Benefits Package Including: Medical, dental and vision plans, 401k, generous PTO and paid company holidays, employee assistance program, flexible spending accounts, life insurance, disability coverage, learning & development programs and more!

Compensation

• The salary range for this position considers a wide range of factors in making compensation decisions including but not limited to: Education, qualifications, skills, training, experience, certifications, internal equity, and location. Compensation decisions are dependent on the facts and circumstances of each case.

About Us

Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. With $7.6 billion in revenue for 2024, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for industrial, commercial, institutional, and residential related building projects.

The Role We Want You For

The Corporate Insurance Director is a strategic leader responsible for shaping and advancing Clayco’s enterprise-wide insurance and risk management strategy. This role drives the optimization of insurance programs that protect corporate assets, enable operational excellence, and support Clayco’s continued growth across complex construction projects and business operations.

The Director leads the review and negotiation of insurance provisions across Clayco’s prime contracts, ensuring alignment with corporate standards while proactively identifying and mitigating risk exposures. This leader partners closely with internal executives, legal teams, and external insurance partners to drive consistency, transparency, and continuous improvement in insurance strategy, governance, and execution.

Key Responsibilities

• Lead the development and implementation of Clayco’s enterprise insurance programs in partnership with the Senior Vice President, Corporate Insurance.
• Oversee the analysis, negotiation, and approval of insurance provisions within prime contracts to ensure alignment with corporate risk management standards.
• Serve as a trusted advisor to business unit leaders and executives on complex insurance and risk management matters.
• Manage and strengthen relationships with insurance brokers, carriers, and third-party service providers to optimize coverage, service quality, and cost efficiency.
• Identify emerging risk exposures across projects and implement strategies to mitigate financial and operational impacts.
• Analyze and manage complex general liability claims to resolve timely and mitigate risk.
• Partner with Legal, Operations, and Project Leadership teams to ensure insurance requirements support project execution and contractual compliance.
• Contribute to the development of enterprise risk management policies, procedures, and long-term insurance strategies.

The ideal candidate combines deep technical expertise in construction insurance with strong strategic and advisory capabilities. This individual demonstrates exceptional analytical judgment, attention to detail, and the ability to navigate complex contractual risk structures. Success in this role requires strong collaboration, executive communication skills, and a proactive approach to managing enterprise risk.

This position reports directly to the Senior Vice President, Corporate Insurance, and is based in our St. Louis, Missouri office.

Requirements

• Minimum 7+ years of experience in risk management, insurance brokerage, underwriting or construction-related legal/paralegal roles
• Strong understanding of construction contract insurance requirements and key coverage lines, including:
• General Liability
• Controlled Insurance programs (OCIP/CCIP)
• Builder’s Risk
• Pollution Liability
• Professional Liability
• Experience reviewing and negotiating insurance provisions within construction contracts preferred
• Professional designations such as CRIS, ARM, and CPCU are a plus
• Excellent analytical, negotiation, and communication skills
• Strong organizational skills and ability to manage multiple priorities in a fast-paced environment

Why Clayco?

• 2025 Best Places to Work – St. Louis Business Journal, Los Angeles Business Journal, and Phoenix Business Journal.
• 2025 ENR Midwest – Midwest Contractor (#1).
• 2025 ENR Top 100 Design-Build Firms – Design-Build Contractor (Top 5).
• 2025 ENR Top 100 Green Contractors – Green Contractor (Top 3).
• 2025 ENR Top 25 Data Center Builders – Data Center Contractor (Top 3).

Benefits

• Discretionary Annual Bonus: Subject to company and individual performance.
• Comprehensive Benefits Package Including: Medical, dental and vision plans, 401k, generous PTO and paid company holidays, employee assistance program, flexible spending accounts, life insurance, disability coverage, learning & development programs and more!

Compensation

• The salary range for this position considers a wide range of factors in making compensation decisions including but not limited to: Education, qualifications, skills, training, experience, certifications, internal equity, and location. Compensation decisions are dependent on the facts and circumstances of each case.

• Pursuing opportunities at institutions such as Naval Postgraduate School (NPS) or Navy War College (NWC)
• Completing Joint Professional Military Education (JPME) at one of the various service colleges

About the Company

Chemline is dedicated to providing top-notch chemical processing solutions while fostering a culture of safety, innovation, and teamwork.

About the Role

The Manufacturing Systems Engineer designs, implements, and supports software systems that manage and monitor production processes within Chemline’s manufacturing facility. This role focuses on Manufacturing Execution Systems (MES), automation integration, and production data systems to improve real-time visibility, efficiency, and quality control.

Working at an intermediate professional level, the Manufacturing Systems Engineer collaborates with operations, quality, maintenance, and IT teams to align software configuration with manufacturing workflows. The role ensures that production automation and control systems meet established safety, quality, and reliability standards while supporting continuous improvement initiatives.

Responsibilities

MES Development & System Management

• Design, develop, configure, and maintain Manufacturing Execution Systems (MES) to track production output, quality metrics, and operational performance.
• Align system functionality with plant operations to ensure accurate data capture and reporting.
• Support enhancements and upgrades to manufacturing software platforms.

Data Collection & Reporting

• Gather data from machines, automation systems, and operators to build dashboards, databases, and reports.
• Develop and maintain performance monitoring tools to provide real-time production visibility.
• Analyze production data to identify trends, bottlenecks, and improvement opportunities.

Automation & Systems Integration

• Integrate automation and control systems with manufacturing processes to improve efficiency and accuracy.
• Support implementation of new production technologies and digital initiatives.
• Ensure system compatibility between production equipment and IT infrastructure.

Safety, Quality & Reliability

• Ensure production automation systems meet company safety standards and applicable regulatory requirements.
• Support validation and documentation of system changes affecting quality or compliance.
• Participate in troubleshooting system issues impacting production performance.

Collaboration & Continuous Improvement

• Work cross-functionally with operations, maintenance, quality, and IT teams.
• Assist in resolving technical issues that affect plant operations.
• Contribute to continuous improvement initiatives focused on process optimization and digital transformation.

Qualifications

Required:

• Bachelor’s degree in Engineering, Computer Science, Information Systems, or related field.
• 2–4 years of related experience in manufacturing systems, automation, or industrial software environments.
• Experience working with MES platforms, industrial databases, or production monitoring systems.
• Knowledge of automation integration and production control systems.
• Strong analytical and problem-solving skills.

Preferred:

• Experience in chemical or process manufacturing environments.
• Familiarity with PLCs, SCADA systems, and industrial networking.
• Experience building dashboards or reporting tools (e.g., SQL, Power BI, Ignition, similar platforms).

Work performed in both office and manufacturing plant environments. May require time on the production floor interacting with equipment and operators. Must comply with plant safety policies and PPE requirements when in operational areas.

This is an intermediate-level professional role (P02). The incumbent works independently on assigned projects but may be occasionally directed on more complex tasks. The role is gaining exposure to advanced system integration and manufacturing technology initiatives.

About Us

Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. With $7.6 billion in revenue for 2024, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for industrial, commercial, institutional, and residential related building projects.

About Consolidated Distribution Company (CDC)

Clayco’s Consolidated Distribution Company (CDC) uses its extensive relationships to secure competitive pricing and product availability. By negotiating with top brands and manufacturers, CDC provides cost-effective solutions for construction equipment, materials, and finishes. It excels in managing complex projects through strategic sourcing and mass purchasing, offering integrated design, and purchasing power for both internal and external clients.

The Role We Want You For

As the Project Engineer you will be responsible for working with the CDC team in sourcing electrical material, equipment, services, and managing vendors in specific project areas across multiple projects. Work with Clayco project team, architectural team and technical group to ensure specified products and materials meet specifications and are within company standards. Manage delivery schedules and ensure timely delivery of materials to jobsites.

The Specifics of the Role

• Assess, manage, and mitigate risks while partnering with reliable vendors and suppliers.
• Evaluate distributors and manufactures’ bill of material bid for complete and accurate quantities and scope.
• Perform product takeoff, estimates, and pricing on current and future projects.
• Gather and prepare product submittals.
• Prepare product list and quantities for purchase order and change order preparation.
• Ensure material orders are placed and tracked to ensure timeliness of delivery.

Requirements

• 5+ years as a sourcing and procurement professional with a minimum of 1-3 years in electrical procurement or a Journeyman Electrician that has fulfilled all requirements of an accredited apprenticeship program.
• Strong technical background to speak the language of engineers and strong business background to deal with negotiations with manufactures and suppliers.
• Knowledge of construction principles/practices required.

Some Things You Should Know

• Our clients and projects are nationwide – Travel will be required.
• No other builder can offer the collaborative design-build approach that Clayco does.
• We work on creative, complex, award-winning, high-profile jobs.
• The pace is fast!

Why Clayco?

• 2025 Best Places to Work – St. Louis Business Journal, Los Angeles Business Journal, and Phoenix Business Journal.
• 2025 ENR Midwest – Midwest Contractor (#1).
• 2025 ENR Top 100 Design-Build Firms – Design-Build Contractor (Top 5).
• 2025 ENR Top 100 Green Contractors – Green Contractor (Top 3).
• 2025 ENR Top 25 Data Center Builders – Data Center Contractor (Top 3).

Benefits

• Discretionary Annual Bonus: Subject to company and individual performance.
• Comprehensive Benefits Package Including: Medical, dental and vision plans, 401k, generous PTO and paid company holidays, employee assistance program, flexible spending accounts, life insurance, disability coverage, learning & development programs and more!

Compensation

• The salary range for this position considers a wide range of factors in making compensation decisions including but not limited to: Education, qualifications, skills, training, experience, certifications, internal equity, and location. Compensation decisions are dependent on the facts and circumstances of each case.

About Us

Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. With $7.6 billion in revenue for 2024, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for industrial, commercial, institutional, and residential related building projects.

About Consolidated Distribution Company (CDC)

Clayco’s Consolidated Distribution Company (CDC) uses its extensive relationships to secure competitive pricing and product availability. By negotiating with top brands and manufacturers, CDC provides cost-effective solutions for construction equipment, materials, and finishes. It excels in managing complex projects through strategic sourcing and mass purchasing, offering integrated design, and purchasing power for both internal and external clients.

The Role We Want You For

As the Project Engineer (Mechanical Procurement), you will support the CDC team in developing competitive HVAC/mechanical estimates and procurement plans, sourcing equipment and materials, and building relationships with manufacturers, reps, and subcontract partners. You will work closely with Clayco project teams, design partners, and the technical group to confirm specified systems meet performance requirements, project standards, and budget. You will help identify lead-time risks early and contribute to winning work through accurate takeoffs, pricing, and value options.

The Specifics of the Role

• Perform mechanical/HVAC takeoffs and quantity surveys (major HVAC equipment and other mechanical equipment and systems) and develop detailed procurement estimates.
• Solicit, level, and validate supplier/manufacturer quotes; confirm scope, inclusions/exclusions, alternates, and delivery assumptions.
• Support intercompany sales efforts by engaging OEMs, reps, and distributors, maintaining pricing intelligence, and helping identify new procurement opportunities.
• Evaluate bills of material for completeness and accuracy; flag gaps, long-lead items, and coordination concerns (power, controls, structural, seismic, space/clearances).
• Assist with contract review from a procurement perspective (commercial terms, freight, taxes, escalation, liquidated damages, warranty, service/startup).
• Gather and prepare submittal packages (equipment schedules, cut sheets, performance data, controls narratives) and track reviews/returns to keep the buyout schedule on track.
• Create purchase requisitions / product lists and support purchase order and change order preparation with clear scope and quantities.
• Track orders and logistics (lead times, releases, fabrication, shipping, storage); coordinate with the project team on site constraints and delivery windows.
• Maintain procurement documentation (quote logs, bid tabs, vendor correspondence) and support closeout deliverables as assigned (warranties, O&M manuals, spare parts).

Requirements

• Strong knowledge of mechanical construction and HVAC systems/equipment; able to read plans/specs and speak the language of engineers, contractors, and OEMs.
• 5+ years of procurement experience preferred; or equivalent combination of mechanical/HVAC field, estimating, or project support experience with demonstrated procurement capability.
• Experience with estimating/takeoffs, bid leveling, and vendor communication; detail-oriented with strong follow-through.
• Working knowledge of construction fundamentals, coordination practices, and project documentation (submittals, RFIs, change orders).
• Comfortable negotiating with suppliers and understanding commercial terms; proficient with Excel and procurement/PM tools.

Some Things You Should Know

• Our clients and projects are nationwide – Travel will be required.
• No other builder can offer the collaborative design-build approach that Clayco does.
• We work on creative, complex, award-winning, high-profile jobs.
• The pace is fast!

Why Clayco?

• 2025 Best Places to Work – St. Louis Business Journal, Los Angeles Business Journal, and Phoenix Business Journal.
• 2025 ENR Midwest – Midwest Contractor (#1).
• 2025 ENR Top 100 Design-Build Firms – Design-Build Contractor (Top 5).
• 2025 ENR Top 100 Green Contractors – Green Contractor (Top 3).
• 2025 ENR Top 25 Data Center Builders – Data Center Contractor (Top 3).

Benefits

• Discretionary Annual Bonus: Subject to company and individual performance.
• Comprehensive Benefits Package Including: Medical, dental and vision plans, 401k, generous PTO and paid company holidays, employee assistance program, flexible spending accounts, life insurance, disability coverage, learning & development programs and more!

Compensation

• The salary range for this position considers a wide range of factors in making compensation decisions including but not limited to: Education, qualifications, skills, training, experience, certifications, internal equity, and location. Compensation decisions are dependent on the facts and circumstances of each case.

Location: St Louis, Missouri

Schedule: Full-Time | Flexible Hours (7:30 AM – 4:30 PM)

We’re looking for a motivated and technically minded Sales Engineer to join our growing team!

In this role, you’ll combine your technical expertise and communication skills to drive new business, manage existing accounts, and deliver smart, innovative control system solutions. You’ll lead the full sales cycle — from interpreting engineering drawings and preparing proposals to closing deals and ensuring customer satisfaction.

This is an exciting opportunity for someone who enjoys solving problems, building long-term client relationships, and contributing directly to company growth.

• Develop and maintain strong customer relationships by anticipating needs and providing tailored solutions.
• Prepare detailed quotes, scopes of work, and technical proposals from project plans and specifications.
• Manage the entire sales process and coordinate with operations for seamless project handoff.
• Track and manage project scope, schedules, and profitability.
• Identify and qualify new business opportunities to build a robust sales pipeline.
• Collaborate with leadership to refine go-to-market strategies and pricing models.
• Deliver product presentations and software demos (Automated Logic WebCTRL).
• Attend trade shows, client meetings, and industry events (occasional overnight travel).
• Conduct post-project reviews to ensure satisfaction and identify future opportunities.

• Strong communication, presentation, and negotiation skills.
• Ability to read and interpret engineering drawings and technical specifications.
• Excellent time management and problem-solving abilities.
• Experience managing multiple priorities and projects simultaneously.
• Understanding of customer decision-making processes and value-based selling.

Nice to Have:

• Bachelor’s degree in Electrical/Mechanical Engineering or Business
• 3–5 years of sales experience (preferably in HVAC or Building Automation Systems)
• Knowledge of estimating, value engineering, and project budgeting
• Proficiency in Microsoft Office Suite

We believe in rewarding great work with great benefits — and a workplace you’ll love being part of.

Health & Wellness

• 100% Employer-Paid Medical, Dental & Vision Insurance for Employees
• Life Insurance | FSA/HSA Accounts
• Short & Long-Term Disability
• Fitness Reimbursement | Employee Assistance Program

Career & Financial Growth

• 401(k) Retirement Plan
• Paid Training & Development Opportunities
• Vehicle Allowance & Company Phone
• Tuition Assistance & Donation Matching
• History of Promoting from Within

Work-Life Balance

• Paid Time Off, Paid Holidays, and Parental Leave
• Flexible Schedule
• Collaborative, Fun Company Culture

Join a team that values innovation, relationships, and results.

If you’re ready to grow your career in a dynamic, technology-driven environment — we’d love to hear from you.

Apply today and help us shape the future of smart building solutions.