High Voltage Maintenance Technician

• Oversee and perform preventive, predictive, and corrective maintenance on HV equipment across substations.
• Conduct switching, isolation, and grounding procedures on HV equipment in compliance with company safety standards and NFPA 70E/OSHA regulations.
• Monitor and maintain HV transformers, circuit breakers, protective relays, battery banks, and associated control systems.
• Perform testing and inspections (e.g., insulation resistance, SF6 gas, oil sampling, DGA, breaker timing, thermography).
• Coordinate and oversee vendor services and contractors performing HV maintenance, testing, and repairs.
• Ensure substations are maintained in compliance with NERC, NEC, and local utility requirements.
• Support fault isolation, root cause analysis, and incident investigations related to HV events.
• Maintain accurate records of switching orders, maintenance logs, and substation condition reports in CMMS.
• Assist with capacity planning, load transfers, and electrical system upgrades in partnership with engineering teams.
• Provide HV safety training, mentoring, and procedural guidance to junior technicians and cross-functional staff.
• Participate in on-call rotation and respond to emergency power events impacting data center operations.

• High school diploma or equivalent required; Technical degree, electrical apprenticeship, or equivalent military/utility experience preferred.
• Minimum 5 years of experience working with high-voltage power systems (13.8kV – 345kV) in data centers, substations, or utility environments preferred.
• Licensed Journeyman/Master Electrician, NETA certification, or equivalent HV qualification preferred.
• NFPA 70E, OSHA 30, or HV switching certification preferred.
• Demonstrated experience in substation operation, switching, and maintenance.
• Familiarity with protective relays, SCADA systems, and HV control schemes.
• Experience overseeing contractors and managing HV maintenance schedules.
• Strong knowledge of HV equipment operation, safety standards, and testing practices.
• Ability to read and interpret electrical one-lines, schematics, and relay coordination studies.
• Skilled in electrical troubleshooting, root cause analysis, and emergency response.
• Proficient with test equipment (primary/secondary injection kits, insulation testers, IR cameras, relay test sets).
• Strong communication and leadership skills to coordinate across multiple teams and vendors.

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 start is $53/hour USD.
  • Actual compensation will be determined based on factors such as experience, qualifications.
• Competitive wages with robust per diem 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 theHigh-DeductibleHealth Plan
• Employee Assistance Program and wellness resource

Retirement & Financial Wealth 

• 401(k) retirement plan with company match
• Paid professional development andaccesstofinancialplanning and legalservices

Time Off & Leave Programs 

• Paid Time Off (PTO) and paid holidays

Growth & Development 

• Professional development to support certifications, continuingeducation, 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.