Mechanical Commissioning Engineer (Hybrid)

The role

You will lead the technical commissioning of mechanical systems on data center projects from design review through Integrated Systems Testing. You will develop test procedures, direct field teams, and report findings to the owner.

What you will do

• Review mechanical designs, specifications, and submittals against owner requirements.
• Develop commissioning plans, test procedures, and acceptance criteria.
• Witness factory acceptance tests and lead site inspections and functional performance testing.
• Plan and lead the mechanical scope of Integrated Systems Testing.
• Review sequences of operation and controls integration.
• Analyze test data and resolve technical disputes.
• Track deficiencies through closure and report progress to the owner.
• Lead and mentor commissioning technicians and coordinate with contractors, designers, and operators.
• Follow site safety procedures and testing and permit requirements.
• Maintain accurate and independent reporting.

Required qualifications

• 7 to 10 years of commissioning experience on mechanical systems.
• At least 5 years of experience on data center projects, including participation in at least one Integrated Systems Test.
• Bachelor’s degree in mechanical engineering or a related field, or equivalent experience.
• Strong knowledge of chilled water, heat rejection, air handling, pumping systems, and data center cooling design.
• Ability to develop test scripts and procedures and interpret mechanical drawings, P&IDs, and sequences of operation.
• Strong written and verbal communication skills.
• Authorization to work in the United States.
• Ability to pass a background check and drug screen.
• Ability to travel 50–75%.
• Ability to work extended site assignments.
• Ability to lift 50 lbs.
• Ability to wear required personal protective equipment (PPE).

Nice to have

• Experience with liquid cooling and high-density AI deployments, including coolant distribution units (CDUs), facility water loops, and fluid quality.
• Professional certification or license, such as PE, CxA, or CPMP.
• Familiarity with ASHRAE Guidelines 0 and 1.1 and Uptime Institute practices.
• Experience supporting multiple owner programs or international projects.

Benefits

• Travel, lodging, and per diem are provided per company policy.

Before you apply

• Authorization to work in the United States.
• Ability to pass a background check and drug screen.

About the company

Decima International is a professional services company providing project management and controls services to clients in the United States and the Middle East.