Senior Mechanical Commissioning Project Engineer - Data Center

We’re excited to connect with candidates in Arizona. Please note that 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.

We also welcome applications from candidates interested in future opportunities in other locations across additional states as our needs evolve.

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 execution

• Understands how complex mechanical systems operate as a whole

• Can 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 lifecycle

• Execute functional testing, witness testing, and system validation

• Manage assignments within schedule, budget, and quality expectations

Technical Expertise & Problem Solving

• Evaluate HVAC, chillers, boilers, pumps, and automation systems

• Troubleshoot system performance issues

• Review design documentation

Client Engagement

• Lead meetings and communicate findings

• Build 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 field

• 7+ years experience or 3+ years commissioning

• Data center experience required

Technical Capabilities

• Experience with HVAC, controls, automation, fire safety systems

• Ability 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.

Compensation & Travel Package

• Base Salary: $150,000 to $170,000 depending on experience, comprehensive benefits, monthly per diem and mobilization support

• Long-term opportunity within FST’s growing commissioning organization

Important: This position is not remote or rotational from home. The successful candidate must be willing to mobilize to the project site, Georgia and remain site-dedicated for the duration of the project assignment.

No visa sponsorship available. Candidates must be authorized to work in the United States.

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