Construction Supervisor - Mechanical

IREN•Sweetwater, WY

12d•Onsite

About The Position

IREN is hiring a Construction Supervisor - Mechanical to oversee installation of advanced mechanical and liquid-cooling systems for next-generation data centers. The supervisor will lead field teams, coordinate with engineers, electricians, and other trades, and help ensure systems operate reliably in high-demand compute environments. The role is based onsite in Sweetwater, Texas, and reports to the Associate Director, Construction. The position involves supervising mechanical technicians, fitters, and subcontractors; coordinating installation, testing, commissioning, quality, and safety activities; and helping resolve field and technical issues. The supervisor will monitor schedules, workforce and material resources, and installation progress, while providing updates to construction and project management teams. Work follows a rotational schedule that may include day and night shifts and weekends based on project needs. Night-shift hours receive a 15% premium. The expected hourly rate is $55.00, with per diem and project allowance when applicable, overtime compensation for eligible non-exempt workers, and relocation or living-out allowance depending on circumstances. IREN describes itself as a vertically integrated AI Cloud provider that builds, owns, and operates data centers and GPU clusters. Its data centers use 100% renewable energy, and the company emphasizes responsible, sustainable operations and positive community impact.

Requirements

High school diploma or equivalent required.
At least 7 years of experience in mechanical construction or supervision on industrial or large commercial projects.
At least 3 years of experience working with liquid-cooling systems in data centers or similar high-tech facilities.
OSHA 30 certification required.
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 and excellent analytical and problem-solving skills.
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 that includes day and night shifts and weekend work based on project needs.
Must provide own steel-toed work boots; other PPE will be supplied.
Pre-employment screening, including background check and substance testing, may be required according to company policies.

Nice To Haves

Associate’s or Bachelor’s degree in Mechanical Engineering, Construction Management, or a related field.
Journeyman or Master Mechanical License, AWS Certified Welding Inspector (CWI), or equivalent.
First Aid/CPR certification.

Responsibilities

Lead, mentor, and supervise mechanical technicians, fitters, and subcontractors working on liquid cooling systems, piping, pumps, valves, and HVAC systems.
Monitor team performance and ensure workforce compliance with project goals, quality requirements, and safety standards.
Oversee mechanical system installation in accordance with project drawings, specifications, and manufacturer guidelines.
Coordinate mechanical activities with electrical, plumbing, structural, and other trades to support system integration.
Collaborate with engineers, vendors, and QA/QC teams to resolve technical issues and maintain project progress.
Ensure mechanical installations meet data center standards, industry codes, and client requirements.
Verify materials and equipment against approved submittals and project specifications.
Support QA/QC inspections and promptly address non-conformance issues.
Supervise pressure testing, flushing, and balancing of liquid-cooling loops to ensure leak-free operation and optimal performance.
Oversee functional and performance testing of cooling systems, including validation of 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.
Investigate and report incidents and near-miss events, and implement corrective actions.
Monitor daily and weekly 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 support timely resource availability and prevent delays.
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 and timely solutions.
Stay current with liquid-cooling and data center mechanical technologies and help integrate best practices into field operations.

Benefits

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 for certifications, continuing education, or role-related training.
Company events and team-building activities.
Per diem 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.