Commissioning Engineer - Mechanical

Responsible for commissioning, testing, and validating mechanical and HVAC systems in mission-critical data center facilities to ensure operational reliability, system performance, redundancy, and compliance with engineering specifications.

Job Requirements

• Experience with mechanical and HVAC commissioning in data center or mission-critical facility environments.

• Knowledge of data center cooling systems, including Computer Room Air Conditioning (CRAC), Computer Room Air Handler (CRAH), and chiller plant systems.

• Experience commissioning humidification, fire suppression, and mechanical infrastructure systems.

• Understanding of high-availability mechanical systems, redundancy, and resiliency requirements.

• Experience developing and executing commissioning plans, prefunctional checklists, and functional performance tests.

• Knowledge of Factory Acceptance Testing (FAT), Site Acceptance Testing (SAT), and Integrated Systems Testing (IST).

• Ability to read and interpret mechanical construction drawings, engineering specifications, and technical documentation.

• Experience reviewing Testing, Adjusting, and Balancing (TAB) reports.

• Knowledge of Building Automation Systems (BAS) and HVAC controls integration.

• Experience preparing commissioning documentation, testing reports, and system performance evaluations.

Preferred Skills

• Experience commissioning Tier III and Tier IV data center facilities.

• Knowledge of precision cooling systems, airflow management, and environmental controls.

• Experience with large-scale data center construction and commissioning projects.

• Familiarity with mechanical system reliability analysis and performance trend monitoring.

• Experience evaluating HVAC system redundancy and failover capabilities.

• Knowledge of plumbing systems and mechanical infrastructure within mission-critical facilities.

• Experience with integrated mechanical and electrical system commissioning.

• Familiarity with data center commissioning standards and high-availability infrastructure requirements.

Job Responsibilities

• Perform onsite commissioning of critical mechanical infrastructure, including CRAC units, CRAH units, chiller plants, humidification systems, and fire suppression systems.

• Execute project-specific mechanical commissioning activities for data center facilities.

• Review construction documents and engineering specifications to evaluate system commissionability, redundancy, and resiliency.

• Develop and review commissioning plans, testing procedures, narratives, prefunctional checklists, and functional performance tests.

• Conduct and document Factory Acceptance Testing (FAT), Site Acceptance Testing (SAT), and Integrated Systems Testing (IST).

• Verify mechanical system installation, operation, and performance against design specifications and commissioning requirements.

• Evaluate HVAC system functionality, cooling performance, and environmental control capabilities.

• Review TAB reports to verify airflow distribution, cooling performance, and precision environmental requirements.

• Assess Building Automation Systems (BAS) and controls integration for mechanical equipment.

• Monitor mechanical system performance trends and analyze equipment reliability.

• Verify redundancy and failover functionality for mission-critical cooling and mechanical systems.

• Identify, document, and report commissioning deficiencies, system failures, and performance discrepancies.

• Coordinate commissioning schedules, site visits, testing activities, and project deliverables.

• Support integration testing between mechanical and electrical infrastructure systems.

• Prepare commissioning status reports, test documentation, deficiency logs, and final commissioning reports.

• Participate in technical commissioning reviews and project progress meetings.

• Verify completion of mechanical commissioning activities in accordance with project requirements and applicable industry standards.

Pay: 60-80/hr

Benefit offerings include medical, dental, vision, term life insurance, short-term disability insurance, additional voluntary benefits, commuter benefits and 401K plan. Our program provides employees the flexibility to choose the type of coverage that meets their individual needs. Available paid leave may include Paid Sick Leave, where required by law; any other paid leave required by Federal, State or local law; and Holiday pay upon meeting eligibility criteria. Disclaimer: These benefit offerings do not apply to client-recruited jobs and jobs which are direct hire to a client.

Pay Details: $60.00 to $80.00 per hour

Benefit offerings available for our associates include medical, dental, vision, life insurance, short-term disability, additional voluntary benefits, EAP program, commuter benefits and a 401K plan. Our benefit offerings provide employees the flexibility to choose the type of coverage that meets their individual needs. In addition, our associates may be eligible for paid leave including Paid Sick Leave or any other paid leave required by Federal, State, or local law, as well as Holiday pay where applicable.

Equal Opportunity Employer/Veterans/Disabled

Military connected talent encouraged to apply

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The Company will consider qualified applicants with arrest and conviction records in accordance with federal, state, and local laws and/or security clearance requirements, including, as applicable:

• The California Fair Chance Act
• Los Angeles City Fair Chance Ordinance
• Los Angeles County Fair Chance Ordinance for Employers
• San Francisco Fair Chance Ordinance

Massachusetts Candidates Only: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.