Contract EarthStream Global is partnering with a leading organization delivering some of the most advanced Data Center and Mission Critical infrastructure projects across the United States and is seeking an experienced Commissioning Owner's Representative (CxOR) to join a major project in Indiana. This position will serve as the Owner's representative throughout construction, commissioning, startup, and turnover, ensuring all critical systems are installed, tested, commissioned, and handed over in accordance with project requirements, operational standards, and schedule commitments. We are particularly interested in candidates with experience delivering hyperscale data centers, mission critical facilities, advanced manufacturing, semiconductor, healthcare, power generation, or other complex infrastructure projects. Act as the Owner's on-site commissioning representative throughout all phases of project delivery. Provide oversight of commissioning activities to ensure quality, safety, and operational readiness objectives are achieved. Coordinate closely with General Contractors, MEP Contractors, Commissioning Agents, Vendors, Consultants, and Operations teams. Track commissioning progress, startup activities, functional testing, and system turnover milestones. Review commissioning plans, schedules, test procedures, issue logs, and turnover documentation. Monitor and drive resolution of commissioning deficiencies and critical-path issues. Support Integrated Systems Testing (IST), energization activities, and operational readiness reviews. Ensure all mechanical, electrical, controls, and life safety systems are commissioned in accordance with project and owner standards. Promote a culture of quality, accountability, and continuous improvement across the project team. Required Qualifications 10+ years of experience in commissioning, construction management, quality assurance, or mission critical project delivery. Proven experience supporting large-scale Data Center or Mission Critical construction projects.
Strong understanding of:
Electrical Distribution Systems Mechanical Systems HVAC Infrastructure Building Automation Systems (BAS) Controls and SCADA Systems Critical Power and Backup Generation Experience managing projects from installation and startup through commissioning, turnover, and operational handover. Ability to work effectively with Owners, EPC Contractors, General Contractors, Trade Contractors, Commissioning Providers, and Operations teams. Strong leadership, communication, and problem-solving skills. Ability to work full-time on-site in Indiana. Preferred Experience Hyperscale Data Centers Colocation Data Centers Mission Critical Facilities Semiconductor Manufacturing Facilities Candidates with direct Data Center and Mission Critical commissioning experience will be given strong preference. Experience overseeing commissioning activities for hyperscale environments, critical MEP systems, and complex startup and turnover processes is highly desirable. ES1
