Senior Mechanical Commissioning Engineer - with travel

We’re excited to connect with candidates in Chicago; however, this role is based in Atlanta, GA or Detroit, MI. The position offers opportunities for travel and relocation, and we’re seeking candidates who are open to this flexibility. Monthly per diem and mobilization is on offer.

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Lead the Systems That Keep Critical Infrastructure Running At FST Technical Services, we ensure the most complex facilities operate exactly as intended. Our Commissioning division partners with clients across data centers and mission-critical environments to validate that systems are designed, installed, and performing at the highest level.
We are seeking a Senior Mechanical Project Engineer who brings deep technical expertise, field leadership, and the ability to drive outcomes in high-performance environments.
Why This Role Stands Out This is not a documentation-driven role.
This is a position for someone who:Owns system performance from design through executionUnderstands how complex mechanical systems operate as a wholeCan identify and solve issues before they impact operations
You will work on large-scale, mission-critical data center projects where performance, reliability, and precision are non-negotiable.
What You will Do Project Leadership & Execution Lead commissioning activities across the full lifecycleExecute functional testing, witness testing, and system validationManage assignments within schedule, budget, and quality expectations
Technical Expertise & Problem Solving Evaluate HVAC, chillers, boilers, pumps, and automation systemsTroubleshoot system performance issuesReview design documentation
Client Engagement Lead meetings and communicate findingsBuild relationships with clients and contractors
Operational Contributions Complete reports and manage time and expenses
Team Development Mentor junior engineers and support training
What You Bring
Core Qualifications Degree in HVACR, Mechanical, Electrical Engineering or related field7+ years experience or 3+ years commissioningData center experience requiredTechnical Capabilities Experience with HVAC, controls, automation, fire safety systemsAbility to read construction documents
Professional Skills Strong communication and problem-solving skills
Physical Requirements Ability to work in field environments and lift 30 lbs
Preferred EIT, CEM, OSHA 30, BIM experience
Travel Requirements Travel to project sites as needed based on project demands.
Why FST At FST, we value execution, accountability, and expertise. Engineers have opportunities to gain experience into leadership roles and work on complex, high-impact projects.
Important Notes No visa sponsorship available. Candidates must be authorized to work in the United States.
Salary range: $150,000 to $170,000
FST Technical does not offer employment-based visa sponsorship for this position. xzbcwsv Applicants must be legally authorized to work in the United States without the need for employer sponsorship now or in the future.