Operation Commissioning Supervisor Jobs (NOW HIRING)

Job Type: Full-time | Location: Sweetwater, Texas | Department: Construction | Reporting to: Associate Director, Construction | Work Location: #onsite

IREN is a vertically integrated AI Cloud provider, delivering large-scale data centers and GPU clusters for AI training and inference. IREN’s platform is underpinned by its expansive portfolio of grid-connected land and power in renewable-rich regions across North America, Europe and APAC.

We’re seeking a Commissioning Supervisor - Mechanical to lead the installation, testing, and startup of mechanical systems in high-performance data centers. This role involves hands‑on commissioning of HVAC systems, liquid cooling infrastructure, and piping systems, ensuring all work meets stringent safety, quality, and performance standards.

With 100% renewable energy, we build, own and operate our data centers and take pride in being at the forefront of sustainable solutions for the ever‑evolving applications of high-performance compute. We believe that human progress is invaluable, but it should be done in the right way – responsibly, sustainably and having a positive impact on the communities we operate in.

• High school diploma or equivalent required; Bachelor’s degree in mechanical engineering, construction management, or related field.
• Minimum of 5 years of experience in mechanical commissioning or construction management, with at least 2 years in data center or mission‑critical environments.
• OSHA-30 certification (or must be obtained within six months of hire).
• Advanced understanding of OSHA regulations and company safety protocols.
• In‑depth knowledge of mechanical systems including high‑efficiency HVAC, chilled water, precision cooling, and liquid cooling technologies (e.g., CDU, immersion cooling, direct‑to‑chip).
• Proficient in interpreting P&IDs, mechanical drawings, commissioning scripts, and Change Management plans.
• Strong analytical and problem‑solving skills with the ability to proactively identify and resolve issues.
• Demonstrated leadership and communication skills to manage diverse teams and complex projects. Strong technical writing and documentation capabilities.
• Familiarity with commissioning software, Building Management Systems (BMS), and project management tools such as Procore, Primavera, MS Project, and Microsoft Office Suite.

• Pre‑employment screening, including background check and substance testing may be required according to company policies.
• Must provide own steel‑toed work boots; all other PPE will be supplied.
• Must be able to reliably commute to the work operations site daily or have plans to relocate before starting work.
• Must be comfortable working a rotational schedule, which includes day and night shifts as well as weekend work, based on project needs.
• Employees working night shifts will receive a 15% premium added to their hourly rate only for hours worked during night shifts.

• Lead the commissioning of mechanical systems including HVAC, chilled water, and liquid cooling infrastructure.
• Verify mechanical installations against design specifications, performance benchmarks, and regulatory standards.
• Coordinate with subcontractors to ensure accurate installation, testing, and documentation of mechanical systems.
• Troubleshoot and resolve mechanical issues during startup, testing, and commissioning phases.
• Develop and implement Lockout/Tagout (LOTO) procedures to ensure safe energization and operation of mechanical systems.
• Conduct walk‑through inspections to confirm compliance with project specifications, safety protocols, and industry regulations.
• Inspect materials, manufactured components, and installation practices for adherence to contract and code requirements.
• Document inspection results, recommend corrective actions, and ensure timely resolution of non‑compliant issues.
• Provide QA/QC feedback throughout all phases of the project and support the development of risk mitigation strategies.
• Train and oversee subcontractor teams to ensure consistent compliance with company policies and procedures.
• Ensure all mechanical systems meet contractual obligations, regulatory codes, and safety benchmarks.
• Collaborate with field teams, design engineers, and clients to develop integrated, solution‑oriented approaches.
• Support the development and verification of energy efficiency strategies for mechanical systems.

At IREN, we offer a comprehensive, market‑competitive total rewards package designed to support employees’ well‑being, career advancement, and financial wealth. Our offerings reflect our commitment to Proceed with Purpose while rewarding high performance and long‑term growth.

• The expected hourly rate for this role is $58.50 USD.
  • Actual compensation will be determined based on factors such as experience, qualifications.
• Per Diem amount of $180.00 and project allowance, when applicable
• 15% night‑shift premium for eligible roles, when applicable
• Overtime compensation for non‑exempt workers for hours worked over 40 per week
• Relocation and Living‑out‑allowance (as applicable and based on successful candidate circumstances)

• 100% company paid health insurance premiums (medical, dental, and vision) for employees, 75% company paid coverage for dependents
• Company‑paid short‑term and long‑term disability insurance
• Voluntary life, critical illness, and accident coverage available
• Health Savings Accounts (HSA) – when combined with the High‑Deductible Health Plan
• Employee Assistance Program and wellness resources

• 401(k) retirement plan with company match
• Paid professional development and access to financial planning and legal services

• Paid Time Off (PTO) and paid holidays

• Professional development to support certifications, continuing education, or role related training

• Company events and team‑building activities

We value diverse perspectives and believe that skills can be developed. If you’re passionate about this role, we want to hear from you — whether you meet every criteria or not. Your unique experiences might be exactly what we need!

IE US Operations Inc., the employing entity and proud member of the IREN group is an equal opportunity employer that is committed to creating an inclusive workplace. We are committed to evaluating qualified applicants and do not discriminate against protected characteristics under applicable legislation.

IE US Operations, Inc. “IREN”participatesin E-Verify and will provide the federal government with your Form I-9 information to confirm that youare authorized towork in the United States.