Lead Commissioning Manager — Hyperscale Data Centers

| GrayMatter |; San Antonio (TX); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) with match

Paid holidays

Job summary

GrayMatter is seeking a Commissioning Manager to lead and manage all on-site commissioning activities for critical data center infrastructure projects. You will oversee commissioning teams, coordinate with stakeholders, ensure safety and quality, and deliver fully validated electrical, mechanical, and controls systems in hyperscale data center environments.

The role requires leading commissions, directing field personnel, maintaining schedules, and providing technical guidance throughout

Qualifications

• Associate degree or equivalent technical experience.
• Minimum 5 years of commissioning, controls, or related field experience.
• Direct experience commissioning data center infrastructure systems.

Responsibilities

• Lead on-site commissioning from pre-functional testing to turnover.
• Direct Site Leads, Commissioning Engineers, and Technicians.
• Represent on-site with clients, contractors, and teams.
• Maintain schedules, milestones, resources, and risks.
• Provide leadership during startup and IST.
• Oversee electrical systems commissioning: switchgear, UPS, generators, ATS, PDUs, and RPPs.
• Oversee mechanical systems: chillers, pumps, cooling towers, CRAH/CRAC, and HVAC controls.
• Support BMS, EPMS, PLC, and integrated networks validation.
• Ensure point-to-point verification and test documentation.
• Enforce OSHA, LOTO, JHA, and arc-flash safety.
• Review and approve commissioning docs and deliverables.
• Mentor commissioning engineers and technicians; provide field leadership.

Skills

Troubleshooting

Team leadership

Contractor coordination

On-site travel

Electrical distribution

HVAC & mechanical

PLC controls

Safety compliance

Education

Associate degree in Electrical/Mechanical Tech

Job description

GrayMatter is seeking a Commissioning Manager to lead and manage all on-site commissioning activities for critical data center infrastructure projects. You will oversee commissioning teams, coordinate with stakeholders, ensure safety and quality, and deliver fully validated electrical, mechanical, and controls systems in hyperscale data center environments.

The role requires leading commissions, directing field personnel, maintaining schedules, and providing technical guidance throughout