HPC Mechanical Manager

Job Type: Full-time | Location:  Sweetwater, TX | Department: Operations | Reporting to:  Site Manager  | Work Location Type: #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. 
 
IREN is looking for an HPC Mechanical Managerresponsible for overseeing the daily operations and performance of the HPC infrastructure within the data center. This role includes ensuring the efficiency, availability, and scalability of HPC systems while managing a team of network engineers, electricians and technicians. The HPC Mechanical Manager will work closely with internal teams, customers, and stakeholders to ensure optimal performance and service delivery in a 24/7 operational environment.

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 and model a zero-compromise safety culture across all operations and contractor activities, ensuring compliance with site and regulatory requirements including OSHA 1910.269, NFPA 70E, LOTO, energized work controls, and permitting processes.
• Enforce and continuously improve safe work practices such as job briefings and pre-task planning, switching orders and LOTO verification, arc-flash and shock boundary compliance, and contractor safety onboarding, audits, and field coaching.
• Maintain operational excellence across critical infrastructure systems including high-voltage substations and distribution (e.g., 138kV/345kV, transformers, breakers, ring-bus systems), UPS systems, generators, ATS/STS, switchgear, power monitoring, and mechanical/HVAC systems including cooling plants and advanced or liquid-to-chip cooling.
• Support site reliability by ensuring systems operate within design limits, alarm response standards, and maintenance expectations, and by leading coordinated responses to abnormal events such as alarms, equipment trips, and system failures with calm urgency and sound decision-making.
• Own site maintenance performance and execution quality, including preventive maintenance planning and verification, corrective maintenance prioritization and closeout, work order quality and documentation standards, and field readiness and verification audits.
• Lead, develop, and support a multi-trade operations workforce providing 24/7 coverage by setting clear expectations, reinforcing accountability, delivering consistent coaching, and managing performance.
• Foster a professional operations culture grounded in respect, integrity, teamwork, and high standards of execution.
• Manage relationships with key contractors and service partners by defining scope, coordinating schedules, enforcing safety and quality standards, reviewing proposals and quotes, and validating completed work.
• Partner with Engineering and Construction teams to support energization, commissioning, cutovers, and expansion milestones while ensuring operational readiness through validation of documentation.
• Maintain accurate operational documentation and field controls, including switching procedures, LOTO plans, permits, authorization workflows, underground utility coordination and excavation permitting (as applicable), equipment logs, oil/DGA sampling, and incident follow-ups.
• The duties and responsibilities listed above are not intended to be all-inclusive and may be modified, expanded, or reassigned as necessary to meet business needs.

Requirements

• High school diploma or equivalent; technical degree preferred.
• Minimum 8 years of experience in critical infrastructure operations (data centers, substations, industrial power, manufacturing, or similar environments).
• Minimum 5 years of leadership experience managing multi-disciplinary operations teams in a mission-critical data center or critical infrastructure environment supporting 24/7 operations and uptime expectations.
• Lineman or Electrical Journeyman certification or the ability to document 8,000 trade hours then take the TDLR exam within a prescribed timeframe.
• Strong understanding of electrical safety practices, including LOTO and energized work controls.
• Ability to plan and execute complex work in a high-risk, uptime-critical environment.
• Strong communication skills with the ability to lead in the field and provide clear executive-level updates.
• Proven experience supporting MV/HV power systems (switchgear, breakers, transformers, substations) and coordinating switching, cutovers, and energization activities preferred.
• Demonstrated expertise in NFPA 70E, LOTO control, and high-risk work planning with working knowledge of OSHA requirements preferred.
• Experience driving high-quality PM/CM programs, backlog management, work order verification, and asset reliability improvements using a CMMS preferred.
• Working knowledge of BMS, EPMS, SCADA, or DCIM monitoring platforms, including alarm response workflows and performance trending preferred.

Benefits

At IREN, we offer a highly competitive compensation package that includes base salary, annual performance incentives, and opportunities to build long-term wealth through equity programs. These offerings are part of our broader total rewards package, thoughtfully designed to support your health, well-being, and long-term success.  

Compensation 

• Actual compensation will be determined based on factors such as experience, qualifications, and market data for the region.
• Total Compensation package may be inclusive of annual incentive bonus, equity (long-term incentive). 
• Relocation or Living-out-allowance (as appliable 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
• Access to financial planning and legal services

Time Off & Leave Programs 

• Paid Time Off (PTO) and paid holidays

Growth & Development 

• Internal skills training and advancement pathways 
• 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. 

We participate 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 U.S. E-Verify Participation Notice. 

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.