Senior Mechanical Commissioning Engineer with travel

We’re excited to connect with candidates in Phoenix, AZ; 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.

Check all associated application documentation thoroughly before clicking on the apply button at the bottom of this description.
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 DoProject Leadership & ExecutionLead commissioning activities across the full lifecycleExecute functional testing, witness testing, and system validationManage assignments within schedule, budget, and quality expectations
Technical Expertise & Problem SolvingEvaluate HVAC, chillers, boilers, pumps, and automation systemsTroubleshoot system performance issuesReview design documentation
Client EngagementLead meetings and communicate findingsBuild relationships with clients and contractors
Operational ContributionsComplete reports and manage time and expenses
Team DevelopmentMentor junior engineers and support training
What You Bring
Core QualificationsDegree in HVACR, Mechanical, Electrical Engineering or related field7+ years experience or 3+ years commissioningData center experience required
Technical CapabilitiesExperience with HVAC, controls, automation, fire safety systemsAbility to read construction documents
Professional SkillsStrong communication and problem-solving skills
Physical RequirementsAbility to work in field environments and lift 30 lbs
PreferredEIT, CEM, OSHA 30, BIM experience
Travel RequirementsTravel to project sites as needed based on project demands.
Why FSTAt FST, we value execution, accountability, and expertise. Engineers have opportunities to gain experience into leadership roles and work on complex, high-impact projects.
Important NotesNo visa sponsorship available. xzbcwsv Candidates must be authorized to work in the United States.
Salary range: $150,000 to $170,000