Data Center Cooling Systems Commissioning Engineer

Five and Fly; Arizona; On-site; USD 65,000 - 70,000; Full time

Benefits offered by this job

Competitive base salary

Bonus eligibility

Travel expenses per policy

Benefits eligibility per company plans

Job summary

Five and Fly is seeking a Data Center Mechanical Commissioning Engineer to execute mechanical commissioning on mission-critical data center projects nationwide. The role emphasizes disciplined execution, thorough documentation, and ensuring system readiness for reliable cooling and mechanical performance.

Responsibilities include performing pre-functional checks, testing, coordinating with electrical and controls teams, and maintaining commissioning documentation to support successful project

Qualifications

• Bachelor’s degree in Mechanical Engineering or equivalent experience.
• 2–7 years of experience in mechanical systems, construction, or commissioning.

Responsibilities

• Execute mechanical commissioning activities as assigned by Senior Engineers or Leads.
• Perform Pre-Functional Checks (PFCs), including L2/L3 readiness inspections.
• Execute Functional Performance Testing (FPT) per approved procedures.
• Support Integrated Systems Testing (IST), including thermal failure and recovery scenarios.
• Coordinate with electrical, controls teams, contractors, and OEMs during testing.
• Document test results, deficiencies, and corrective actions.
• Maintain accurate, timely commissioning documentation.

Skills

Mechanical systems

Cooling equipment

Reading P&IDs

Redundancy concepts

Learning commissioning tools

Education

Bachelor’s degree in Mechanical Engineering

Job description

Five and Fly is seeking a Data Center Mechanical Commissioning Engineer to execute mechanical commissioning on mission-critical data center projects nationwide. The role emphasizes disciplined execution, thorough documentation, and ensuring system readiness for reliable cooling and mechanical performance.

Responsibilities include performing pre-functional checks, testing, coordinating with electrical and controls teams, and maintaining commissioning documentation to support successful project