MEP Commissioning Engineer

LJC

St. Louis (MO)

On-site

USD 110,000 - 150,000

Full time

14 days+

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Benefits offered by this job

Comprehensive benefits package

Discretionary annual bonus

Flexible spending accounts

401(k)

Paid maternity leave

Paid paternity leave

Generous PTO

Paid holidays

Employee assistance program

Flexible spending accounts

Life insurance

Disability coverage

Learning & development programs

Job summary

A leading design and construction firm in St. Louis is seeking an experienced MEP Commissioning Engineer. This senior-level role focuses on quality control and commissioning leadership for MEP systems in construction projects. The ideal candidate will have over 10 years of experience, a degree in Mechanical or Electrical Engineering, and expertise in MEP system design and commissioning. A collaborative work environment and comprehensive benefits package are offered. Join a team dedicated to delivering outstanding results.

Qualifications

10+ years experience in construction or MEP commissioning.
Proficient in MEP design drawings and technical documentation.
Familiar with industry safety regulations and best practices.

Responsibilities

Collaborate with teams to develop MEP system specifications.
Conduct site inspections to verify MEP installation quality.
Lead commissioning activities and documentation.
Monitor installation activities to verify compliance with design intent and safety regulations.
Conduct site inspections to verify installation quality and coordination with other trades.
Develop project-specific functional testing scripts based on Clayco standards.
Collaborate on commissioning plans, procedures, and test scripts for MEP/FA/FP systems.
Lead commissioning activities including functional testing and documentation of results.

Skills

MEP/FA/FP system design

Commissioning leadership

Analytical skills

Detail-oriented

Communication skills

Multi-project management

Education

Bachelor Degree in Mechanical Engineering or Electrical Engineering

Tools

AutoCAD

Revit

Navisworks

Job description

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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 Lamar Johnson Collaborative

Lamar Johnson Collaborative (LJC) is a team of high-energy professionals. We share a passion for design, a collaborative approach, and a casual culture. We solve challenges by leveraging the collective expertise and ingenuity of the best and brightest minds across development, design, and construction. Lamar Johnson Collaborative attracts a dynamic and diverse group of people who work together to realize our clients’ vision.

The Role We Want You For

The MEP Commissioning Engineer is a senior level role focused on providing quality control and commissioning leadership for the mechanical, electrical, plumbing, fire protection design and construction for Clayco/Enterprise projects and others as necessary. This includes but is not limited to development and/or review of scope documents, construction document review, on-site construction supervision. Candidate shall be able to observe work in the field and compare to drawings to ensure details are installed per the drawings and specifications. Commissioning direction and leadership is a key part of this role, whether an internal process or with a third party firm.

Duties and Responsibilities

Collaborate with project teams, architects, engineers, and subcontractors to assist in developing MEP/FA/FP design concepts, specifications, and performance requirements.
Review MEP/FA/FP design drawings, calculations, and technical documentation to verify compliance with project requirements, codes, and standards.
Conduct comprehensive design reviews to identify potential issues, conflicts, and deficiencies, and provide recommendations for improvements.
Monitor MEP/FA/FP installation activities to verify compliance with design intent, manufacturer guidelines, safety regulations, and industry best practices.
Conduct site inspections to verify the quality of MEP/FA/FP installations, adherence to design specifications, and proper coordination with other trades.
Develop project specific functional testing scripts based upon Clayco standard forms and documentation.
Collaborate with commissioning agents to develop commissioning plans, procedures, and test scripts for MEP/FA/FP systems.
Lead the MEP/FA/FP system commissioning activities, including functional testing, performance verification, and documentation of results. Clayco functionally pre-tests systems when there is third party CxA or leads their own testing process when there is not a third party CxA.
Coordinate with project teams to address any issues or deficiencies identified during the commissioning process, coordinating necessary corrective actions and retesting.
Conduct final inspections and acceptance tests to verify that MEP/FA/FP systems meet project requirements and are ready for occupancy.
Collaborate with project teams to develop accurate and comprehensive turnover documentation, including as-built drawings, operation and maintenance manuals, and warranties.
Stay updated on industry advancements, emerging technologies, and best practices related to MEP/FA/FP systems and apply them to improve processes and outcomes.
Provide technical guidance and mentorship to junior team members, promoting knowledge sharing and professional development.

Requirements

10+ years experience in the construction field or building mechanical / electrical commissioning experience. Engineering design experience preferred.
Bachelor Degree in Mechanical Engineering, Electrical Engineering, or a related field preferred.
Proven experience in MEP/FA/FP system design, installation, and commissioning, preferably within the construction or engineering industry.
Proficiency in reading and interpreting MEP/FA/FP design drawings, specifications, and technical documentation.
Excellent technical and analytical skills, with the ability to identify issues, propose solutions, and make sound engineering judgments.
Strong attention to detail, with a focus on quality and adherence to project deadlines.
Effective communication and interpersonal skills, with the ability to collaborate with diverse stakeholders, including project teams, architects, engineers, and subcontractors.
Familiarity with commissioning processes and procedures for MEP/FA/FP systems.
Proficiency in using software applications for design, analysis, and documentation (e.g., AutoCAD, Revit, Navisworks).
Ability to work independently and in a team, prioritizing tasks and managing multiple projects simultaneously.
Proficient in Microsoft Office programs, working knowledge of iPad type instruments and various M/E industry “Apps”.
Comfortable using common field-testing equipment such as infrared cameras, light meters, IAQ meters, etc.
Know plumbing and fire protection field and Commissioning requirements through experience and supplemental training courses.
Know electrical systems basics and have a good working knowledge of NEC for field reviews and Commissioning requirements/testing.
Solid/strong working knowledge/experience/background of control systems, BACNet, Tridium networks, and overall “systems” functional testing sequences, steps, procedures, and integration.
Knowledge of air and water testing/adjusting/balancing procedures and expectations.
Knowledge in fire alarm systems and integration.
Working knowledge of architectural, structural, civil documents to understand how the mechanical/electrical systems are integrated into the building.
Good understanding of Specifications Divisions and where to go in the various sections in coordinating responsibilities and various testing and documentation requirements of the project.
Understanding of the many common Codes for Building, Plumbing, NFPA (fire, electrical, etc.), Mechanical, and Life Safety.
Physical Requirements: Must be able to climb permanent and temporary stairs, ladders, crouch, kneel, and stand for long periods of time. Must also be able to lift or move up to 50 pounds occasionally.
Must be able to utilize close vision, peripheral vision, depth perception, and have the ability to adjust focus.
Requires regular use of hands for inspection purposes.
Must have a solid understanding of jobsite risks and know/adhere to appropriate safety protocol at all times.
Must be able to work on multiple projects at one time.
Open to travel up to two or three nights a week as needed, not every week.

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 and LJC?

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 25 Data Center Builders – Data Center Contractor (Top 3).Discretionary Annual Bonus: Subject to company and individual performance.
Comprehensive Benefits Package Including: Medical, dental and vision plans, 401(k), 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.

Seniority level