Data Center Mechanical 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

Data Center Mechanical Commissioning Engineer

Department: Data Center Mechanical Commissioning Engineer

Employment Type: Full Time

Location: Nationwide

Compensation: $65,000 - $70,000 / year

Description

**Skillbridge to Full-Time Employment or Veteran Direct Hire Opportunity**

The Mechanical Commissioning Engineer is responsible for executing mechanical commissioning activities on mission-critical data center projects under the direction of senior engineers, discipline leads, and project managers.

This role focuses on disciplined execution, accurate documentation, and system readiness to support reliable cooling and mechanical performance.

Key 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, Knowledge and Expertise

• Foundational understanding of mechanical and cooling systems


• Familiarity with CRAH/CRAC units, chillers, pumps, valves, and heat rejection equipment


• Ability to read and interpret mechanical drawings, P&IDs, and sequences of operation


• Understanding of basic redundancy and thermal performance concepts


• Willingness to learn commissioning processes and tools

Required

• Bachelor’s degree in Mechanical Engineering or equivalent experience


• 2–7 years of experience in mechanical systems, construction, or commissioning

Preferred

• Mission-critical or data center experience


• Prior exposure to commissioning or testing activities

• OSHA 10 or 30-Hour Construction Safety


• Commissioning-related coursework or training


• Safe, accurate execution of assigned mechanical testing activities


• Complete and defensible commissioning documentation


• Responsiveness to direction and feedback


• Demonstrated technical growth and readiness for increased responsibility

Benefits

• Competitive base salary commensurate with experience


• Performance-based bonus eligibility


• Travel expenses and per diem per company policy


• Benefits eligibility per company plans