Commissioning Manager

GrayMatter Systems • San Antonio, TX

13h • Onsite

About The Position

GrayMatter is seeking a Commissioning Manager to lead and manage on-site commissioning activities for critical data center infrastructure projects. The role oversees commissioning teams, coordinates with project stakeholders, ensures quality and safety standards, and delivers validated electrical, mechanical, and controls systems in hyperscale and mission-critical data center environments.

The manager leads commissioning from pre-functional testing through integrated systems testing and final turnover; directs Site Leads, Commissioning Engineers, and Engineering Technicians; and serves as the primary on-site representative for clients, contractors, subcontractors, and internal teams. The role manages schedules, milestones, resources, and risks, and provides technical leadership during startup, checkout, functional testing, and integrated systems testing.

The position covers commissioning of electrical infrastructure such as switchgear, UPS systems, generators, ATS equipment, PDUs, and RPPs; mechanical infrastructure such as chillers, cooling plants, pumps, cooling towers, CRAH/CRAC units, and HVAC controls; and BMS, EPMS, PLC controls, and integrated networked systems. It also oversees test execution and records, safety compliance, commissioning documentation and client deliverables, team development, and regular project updates. Travel and on-site work at active data center construction projects are required.

Requirements

• Associate degree in Electrical Engineering Technology, Mechanical Engineering Technology, Automation, or a related technical discipline; equivalent experience is considered.
• At least 5 years of commissioning, controls, automation, or related field experience.
• Direct experience commissioning data center infrastructure systems.
• Experience leading commissioning teams, technical crews, or field personnel in complex project environments.
• Strong understanding of electrical distribution systems, HVAC and mechanical systems, PLC controls, BMS, and EPMS platforms.
• Ability to coordinate with contractors, clients, project managers, and commissioning stakeholders.
• Strong troubleshooting, organizational, communication, and decision-making skills.
• Ability to travel and work on-site at active data center construction projects.

Nice To Haves

• Experience working on hyperscale data center projects.
• Familiarity with CxAlloy, Facility Grid, or similar commissioning management platforms.
• OSHA 30 certification.
• Experience with Rockwell, Schneider Electric, Siemens, or similar automation and control platforms.

Responsibilities

• Lead on-site commissioning from pre-functional testing through integrated systems testing and final project turnover.
• Direct and coordinate Site Leads, Commissioning Engineers, and Engineering Technicians.
• Serve as the primary on-site commissioning representative for clients, contractors, subcontractors, and internal teams.
• Maintain commissioning schedules, milestones, resource planning, and risk mitigation activities.
• Provide technical leadership during startup, checkout, functional testing, and integrated systems testing (IST).
• Oversee commissioning of electrical systems, including switchgear, UPS systems, generators, ATS equipment, PDUs, and RPPs.
• Manage commissioning of mechanical systems, including chillers, cooling plants, pumps, cooling towers, CRAH/CRAC units, and HVAC controls.
• Support commissioning and validation of BMS, EPMS, PLC controls, and integrated networked systems.
• Ensure proper execution and documentation of point-to-point verification, functional testing, deficiency tracking, and corrective actions.
• Promote and enforce safety compliance, including OSHA regulations, LOTO, JHA, and arc flash requirements.
• Review and approve commissioning documentation, test scripts, reports, turnover packages, and client deliverables.
• Mentor and develop commissioning engineers and technicians through technical guidance and field leadership.
• Provide regular updates on commissioning progress, schedule status, resource needs, and project risks.

Benefits

• Medical, dental, and vision insurance beginning day one of employment.
• Employer-paid short-term disability and life insurance.
• 401(k) with up to 4% company match.
• Paid holidays, paid time off, paid sick leave, and paid parental leave.
• Additional benefits available, including long-term disability, accident, critical illness, hospital indemnity, EAP, telemedicine, HSA, and FSA.

What This Job Offers

• Job Type: Full-time
• Career Level: Manager
• Education Level: Associate degree