Lead Mechanical Commissioning (Cx) Engineer - Data Center

FST Technical Services, Inc.; Detroit (MI); On-site; USD 130,000 - 150,000; Full time

Benefits offered by this job

Comprehensive benefits

Monthly per diem & mobilization

Job summary

FST Technical Services, Inc. seeks a Senior Mechanical Project Engineer to lead commissioning activities for large-scale data center projects. You will oversee design-to-execution phases, validate HVAC and related systems, and mentor junior engineers to ensure top-tier performance and reliability.

The role emphasizes field leadership, client engagements, and adherence to schedule, budget, and safety standards across mission-critical environments.

Qualifications

• Degree in HVACR, Mechanical, Electrical Engineering or related field.
• 5+ years experience in commissioning engineering.
• 3+ years of Data center experience required.
• Ability to read construction documents.
• Strong communication and problem-solving skills.

Responsibilities

• Lead commissioning activities across the full lifecycle of a data center build (L1-L5).
• Execute functional testing, witness testing, and system validation.
• Manage assignments within schedule, budget, and quality expectations.

Skills

Commissioning engineering

Project leadership

HVAC systems

Reading construction docs

Communication

Education

Bachelors in HVACR/Mechanical/Electrical Engineering

Tools

BIM

AutoCAD

Job description

Lead Mechanical Commissioning (Cx) Engineer - Data Center
Leadthe 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 tovalidatethat systems are designed, installed, and performing at the highest level.

We are seeking a Senior Mechanical Project Engineer who brings deep technicalexpertise, field leadership, and the ability to drive outcomes in high-performance environments.

Why This Role Stands Out

• 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.

WhatYou willDo

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, andexpertise. Engineers haveopportunities to gain experienceintoleadership roles and work on complex, high-impact projects.

Important Notes

No visa sponsorshipavailable. Candidates mustbe authorized towork in the United States.

Base Salary: $130,000 to $150,000 depending on experience, comprehensive benefits, monthly per diem and mobilization support