High Voltage Electrical Maintenance Technician

Iris Energy; Childress (TX); On-site; USD 85,000 - 120,000; Full time

Benefits offered by this job

Health insurance

401(k) plan with match

Paid PTO & holidays

Professional development

Job summary

IREN is seeking a High Voltage (HV) Electrical Maintenance Technician to ensure reliable power delivery for data center infrastructure. You will perform preventive and corrective maintenance on HV systems, coordinate switching and grounding, and supervise contractors to maintain substations in compliance with NFPA 70E and NEC standards.

The role requires 5+ years in HV power systems, strong diagnostic skills, and the ability to read schematics; on-site work in Childress, TX with a focus on

Qualifications

• High-voltage power systems experience (13.8kV–345kV) in data centers/substations/utility environments.
• Strong knowledge of HV equipment operation and safety standards.
• Experience reading electrical one-lines, schematics, and relay coordination studies.

Responsibilities

• Oversee preventive, predictive, and corrective maintenance on HV equipment across substations.
• Coordinate switching, isolation, and grounding per NFPA 70E/OSHA standards.
• Maintain substations and associated control systems; manage vendor services.

Skills

High voltage systems

Substation operation

Switching & grounding

Protective relays

SCADA familiarity

Troubleshooting

Electrical testing

Contractor management

Safety NFPA 70E

Reading schematics

Leadership

Communication

Education

Electrical apprenticeship

Journeyman Electrician

NETA certification

High school diploma

Tools

SCADA

CMMS

IR cameras

Insulation testers

Relay test sets

Job description

High Voltage (HV) Electrical Maintenance Technician

Job Type: Full-time | Location: Childress, Texas | Department: US Operations | Reporting to: Operations 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.

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.

The High Voltage (HV) Electrical Maintenance Technician is responsible for the operation, maintenance, and reliability high-voltage substations supporting critical data center infrastructure. This role ensures uninterrupted power delivery through proactive maintenance, troubleshooting, and coordination of HV equipment including switchgear, transformers, protection systems, and circuit breakers. The technician will work closely with the operations manager and other critical facility teams to maintain safe, efficient, and reliable substation performance.

We have grown substantially since 2019, from our inception in Australia to now having several facilities across North America and being listed on NASDAQ… and we are just getting started! By joining us, you will be contributing to the future of sustainable high-performance compute and the local communities we strive to have a positive impact on.

Job requirements

• High school diploma or equivalent (required).
• Technical degree, electrical apprenticeship, or equivalent military/utility experience (preferred).
• Licensed Journeyman/Master Electrician, NETA certification, or equivalent HV qualification (preferred).
• NFPA 70E, OSHA 30, or HV switching certification (preferred).
• 5+ years of experience working with high-voltage power systems (13.8kV – 345kV), preferably in data centers, substations, or utility environments.
• 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.

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.

Job responsibilities

• 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.

Salary range

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 Purpose while rewarding high performance and long-term growth.

Compensation

• Actual compensation will be determined based on factors such as experience, qualifications.

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.