Job Type: Full-time|Location: Sweetwater, Texas|Department: Construction|Reporting to: Site & Construction Manager |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.

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; 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 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, 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.

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 Purposewhile rewarding high performance and long-term growth.

Compensation

The expected hourly range for this role is $50.00 to $55.00 USD.
- Actual compensation will be determined based on factors such as experience, qualifications.
Per Diem amount of $155.00 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)

Health & Wellness

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

Retirement & Financial Wealth

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

Time Off & Leave Programs

Paid Time Off (PTO) and paid holidays

Growth & Development

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

Community & Culture

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” participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the United States.

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. 

IREN

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