Lead Mechanical Commissioning (Cx) Engineer - Data Center

FST Technical Services • Detroit, MI

11d • $130,000 - $150,000

About The Position

FST Technical Services is seeking a Lead Mechanical Commissioning Engineer to lead commissioning work on large-scale, mission-critical data center projects. The role owns system performance from design through execution, validates that systems are designed and installed correctly, and identifies and resolves issues before they affect operations. Commissioning work spans the full project lifecycle, including L1–L5 activities, functional and witness testing, and system validation. The engineer evaluates mechanical and related systems, reviews design documentation, manages project assignments against schedule, budget, and quality expectations, and communicates findings to clients and contractors. The position also includes reporting, time and expense management, mentoring junior engineers, and supporting training. Travel to project sites is required as project demands dictate. Candidates must be authorized to work in the United States; visa sponsorship is not available. The base salary is $130,000 to $150,000 depending on experience, with comprehensive benefits, monthly per diem, and mobilization support.

Requirements

• Degree in HVACR, Mechanical Engineering, Electrical Engineering, or a related field.
• At least 5 years of experience in commissioning engineering.
• At least 3 years of data center experience.
• Experience with HVAC, controls, automation, and fire safety systems.
• Ability to read construction documents.
• Strong communication and problem-solving skills.
• Ability to work in field environments and lift 30 lbs.
• Must be authorized to work in the United States; visa sponsorship is not available.

Nice To Haves

• EIT.
• CEM.
• OSHA 30.
• BIM experience.
• Facility Grid experience.

Responsibilities

• Lead commissioning activities across the full lifecycle of a data center build, including L1–L5.
• Execute functional testing, witness testing, and system validation.
• Manage assignments within schedule, budget, and quality expectations.
• Evaluate HVAC, chillers, boilers, pumps, and automation systems.
• Troubleshoot system performance issues.
• Review design documentation.
• Lead meetings and communicate findings.
• Build relationships with clients and contractors.
• Complete reports and manage time and expenses.
• Mentor junior engineers and support training.
• Travel to project sites as required by project demands.

Benefits

• Comprehensive benefits.
• Monthly per diem.
• Mobilization support.
• Opportunities to gain experience in leadership roles and work on complex, high-impact projects.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior