Senior Lead Mechanical Commissioning Engineer

Our client ensures the most complex facilities operate exactly as intended. Their 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.

They are seeking a Senior Lead Mechanical Commissioning Engineer who brings deep technical expertise, field leadership, and the ability to drive outcomes in high-performance environments.

This is not a checklist-driven commissioning 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
• Owns outcomes, not just tasks
• Understands systems holistically, not in silos
• Can operate independently while leading others
• You will play a direct role in ensuring critical systems are designed correctly, installed properly, and perform under real-world conditions.

You will work on large-scale, mission-critical data center projects where performance, reliability, and precision are non-negotiable.

• Lead mechanical 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

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

• Lead meetings and communicate findings
• Build relationships with clients and contractors

• Complete reports and manage time and expenses

• Mentor junior engineers and support training

• Degree in Mechanical Engineering or related field. Senior level Field Mechanical experience in mission critical facilities environment also considered
• 7+ years of experience in commissioning engineering
• 3+ years of Lead Mechanical Cx data center experience…Direct L1-L5 experience leadership execution
• Experience with HVAC, controls, automation, fire safety systems a plus
• Ability to read construction documents
• Strong communication and problem-solving skills
• EIT, CEM, OSHA 30, BIM experience, Facility Grid a plus