Construction Supervisor - Mechanical at IREN in Sweetwater, TX

Job description

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. Responsibilities 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 address non-conformance issues promptly and effectively. Supervise pressure testing, flushing, and balancing of liquid cooling loops to ensure leak-free operation and optimal system performance. Oversee functional and performance testing of cooling systems to validate thermal, flow-rate, and reliability performance. Assist commissioning teams in validating mechanical system operation under real or simulated load conditions. Enforce OSHA regulations, company safety protocols, and site-specific safety requirements. Conduct safety audits, toolbox talks, and job-site inspections to promote safe work practices. Investigate and report incidents or near-miss events and implement corrective actions to prevent recurrence. Monitor daily and weekly work schedules and adjust manpower or resources to meet project deadlines. Track installation progress and provide updates to the Construction Manager and project management team. Manage material and equipment inventories to avoid delays and ensure timely availability of resources. Provide technical guidance on installation, integration, maintenance, and troubleshooting of liquid cooling and mechanical systems. Identify and resolve field challenges—including design conflicts and equipment malfunctions—using practical, timely solutions. Stay current with advancements in liquid cooling and data center mechanical technologies and help integrate best practices into field operations. Requirements High school diploma or equivalent required; Associate’s or Bachelor’s degree in Mechan