Lead Mechanical Commissioning Engineer
FST Technical Services
Lead Mechanical Commissioning Engineer
FST Technical Services
Testing, inspection, certification for mission-critical facilities
Lead Mechanical Commissioning (Cx) Engineer - Data Center
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 a position for someone who:
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 of a data center build to include L1-L5
• 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
• 5+ years experience in commissioning engineering
• 3+ years of 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, Facility Grid
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
Important: This position is not remote or rotational from home. The successful candidate must be willing to mobilize to Atlanta, 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.
Testing, inspection, certification for mission-critical facilities
FST Technical Services provides technical services for mission-critical facilities, including Testing, Inspection, and Certification (TICC), QA/QC, commissioning, validation, equipment services, and technical staffing. It tailors consulting and technical solutions to each client’s environment and serves as an independent liaison between clients and subcontractors to ensure installations meet internal specifications and regulatory requirements. The company differentiates itself through a focus on quality and regulatory compliance, and through acquisitions that expand calibration, life sciences consulting, and building commissioning. Its goal is to be a diversified provider of essential technical services that keep facilities safe, compliant, and reliable.
Explore more opportunities at FST Technical Services