Construction Supervisor - Mechanical; Nights

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.

Step into a role where your mechanical expertise helps power the future. As the
Construction Supervisor - Mechanical you will oversee the installation of some of the most advanced mechanical and liquid cooling systems used in next-generation data centers. You’ll guide field teams, partner with engineers and electricians, and ensure every system performs flawlessly in high-demand compute environments. If you’re a hands-on leader who enjoys solving tough technical challenges and wants to make a visible impact on major infrastructure projects, this is a chance to elevate your career while helping build the foundation of sustainable, high-performance compute.

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;
  Associate’s or Bachelor’s degree in Mechanical Engineering, Construction Management, or related field preferred.
• Minimum 7 years of experience in mechanical construction or supervision on industrial or large commercial projects; minimum 3 years of experience working with liquid cooling systems in data centers or similar high-tech facilities.
• Journeyman or Master Mechanical License, AWS Certified Welding Inspector (CWI), or equivalent preferred.
• OSHA 30 certification required;
  First Aid/CPR certification preferred.
• Ability to read and interpret mechanical drawings, P&IDs, and project specifications.
• Strong understanding of liquid cooling technologies, heat transfer principles, and data center mechanical infrastructure.
• Familiarity with mechanical testing tools such as pressure gauges, flow meters, and thermal imaging equipment.
• Strong leadership, communication, and conflict-resolution skills.
• Ability to manage multiple priorities, work under pressure, and maintain professionalism in fast-paced environments.
• High attention to detail with excellent analytical and problem-solving skills.

• Pre-employment screening, including background check and substance testing may be required according to company policies.
• Must provide own steel-toed work boots; other PPE will be supplied.
• Must be able to reliably commute to the work site daily or have plans to relocate before starting work.
• Must be comfortable working arotational 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, mentor, and supervise mechanical technicians, fitters, and subcontractors working on liquid cooling systems (e.g., direct-to-chip cooling, rear-door heat exchangers), piping, pumps, valves, and HVAC systems.
• Monitor team performance and ensure workforce compliance with project goals, quality requirements, and safety standards.
• Oversee the installation of mechanical systems and ensure all work aligns with project drawings, specifications, and manufacturer guidelines.
• Coordinate mechanical activities with other trades—including electrical, plumbing, and structural to support seamless integration of systems.
• Collaborate with engineers, vendors, and QA/QC teams to resolve technical issues and maintain project progress.
• Ensure all mechanical installations meet data center standards, industry codes, and client requirements.
• Verify compliance of materials and equipment with approved submittals and project specifications.
• Support QA/QC inspections and…