Construction Mechanical Commissioning Supervisor

IREN; Sweetwater (TX); On-site; Full time

Job summary

IREN seeks a Construction Mechanical Commissioning Supervisor for high-performance data centers in Sweetwater, Texas. This role requires overseeing commissioning of advanced mechanical systems such as HVAC and liquid cooling, while leading a team and ensuring compliance with safety standards. Ideal candidates will have significant experience and the ability to drive technical excellence in a dynamic environment.

Benefits

Health Insurance

401k Retirement Plan

Disability Insurance

Life Insurance

Vision and Dental care

Qualifications

• 5-7 years of experience in mechanical commissioning.
• Experience with liquid-cooled systems strongly preferred.
• OSHA 30-Hour and EPA 608 certification preferred.

Responsibilities

• Lead commissioning of mechanical systems including liquid cooling.
• Conduct functional performance testing and troubleshooting.
• Supervise commissioning technicians and manage schedules.

Skills

Leadership

Problem-solving

Communication

Education

Bachelor’s degree in mechanical engineering or construction management

High school diploma or equivalent

Tools

Commissioning software

Project management software

Job description

Construction Mechanical Commissioning Supervisor

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Construction Mechanical Commissioning Supervisor

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Job DescriptionJob Type: Full-time | Location: Sweetwater, Texas | Department: Operations | Reporting to: Construction Manager

IREN is a leading next-generation data center business powering the future 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.

We’re seeking a Mechanical Commissioning Supervisor to lead the commissioning of advanced mechanical systems for high-performance data centers. This role involves overseeing liquid cooling systems, HVAC, and other critical infrastructure, ensuring safe, efficient operation from testing to handover. The ideal candidate brings 5–7 years of commissioning experience, strong leadership skills, and a deep understanding of high-efficiency cooling technologies. If you're ready to drive technical excellence in a fast-paced, sustainability-focused environment, we’d love to hear from you.

We have grown substantially since 2019, from our inception in Australia to now having several facilities across North America and being listed on NASDAQ… and we are just getting started! By joining us, you will be contributing to the future of sustainable high-performance compute and the local communities we strive to have a positive impact on.

Job Requirements

• 5-7 years of experience in mechanical commissioning or construction, with at least 2-3 years as a supervisor on data center or high-tech industrial projects. Experience with liquid-cooled systems or advanced cooling technologies strongly preferred.
• Education
• High school diploma or equivalent required; bachelor’s degree in mechanical engineering, construction management, or related field preferred.
• OSHA 30-Hour, EPA 608 (Universal), or Commissioning Professional (CCP) certification preferred. Knowledge of liquid cooling systems (e.g., CDU, immersion cooling) is a plus.
• In-depth knowledge of mechanical systems, including liquid cooling, precision cooling, and high-efficiency HVAC systems for data centers.
• Proficient in interpreting P&IDs, mechanical drawings, Change Management plans, and commissioning scripts.
• Strong leadership, problem-solving, and communication skills to manage diverse teams and complex projects.
• Familiarity with commissioning software and Building Management Systems (BMS).
• Familiarity with project management software (e.g., Procore, Primavera, MS Project, MS Office Suite)
• Ability to work in data center environments, navigate construction sites, and occasionally lift up to 50 lbs.
  
  

Other Important Requirements

• 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.
  
  

Job Responsibilities

• Commissioning Leadership - Plan, manage, and execute the commissioning of mechanical systems, including liquid cooling systems, chillers, pumps, heat exchangers, and HVAC units, ensuring seamless integration with data center infrastructure
• System Testing & Validation - Oversee functional performance testing, system balancing, and troubleshooting of mechanical systems to verify compliance with design intent, and industry standards
• Safety Compliance - Enforce OSHA site-specific safety standards and environmental regulations, conducting regular safety audits, and ensuring proper handling of liquid cooling fluids and high-pressure systems.
• Team Coordination - Supervise commissioning technicians, mechanical crews, and subcontractors, assigning tasks and ensuring adherence to schedules, safety protocols, and quality standards.
• Stakeholder Collaboration - Work closely with project managers, mechanical engineers, electrical teams, and client representatives to align on commissioning plans, resolve technical issues, and provide progress updates.
• Documentation - Maintain detailed commissioning records, including test reports, system checklists, and as-built documentation, to support project handover and acceptance.
• Issue Resolution - Identify and address mechanical system deficiencies such as leaks, pressure issues, or thermal inefficiencies implementing corrective actions to ensure optimal performance.
• Training & Handover - Facilitate training for facility operations teams on mechanical system operations and maintenance, ensuring a smooth transition to operational status.
  
  

Job BenefitsThe IREN Package:

• Starting rate of pay: $39.00-43.00/hour
• Health Insurance, Disability Insurance, Life Insurance, Vision care & Dental care
• 401k Retirement Plan
  
  

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 evaluate qualified applicants without regard to race, color, religion, age, sex, sexual orientation, gender identity, genetic information, national origin, disability, veteran status, and other legally protected characteristics.

This job will remain posted until filled. While we appreciate all applications we receive, we are only able to contact candidates under consideration.

By applying for this position and submitting your resume and application materials, you consent to the processing of your personal information in accordance with our Job Applicant Privacy Statement available on our website at www.iren.com.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Other

• Industries

  Software Development, Construction, and IT Services and IT Consulting

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