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IE US Operations, Inc. High Voltage (HV) Construction Supervisor -Sweetwater in Sweetwater, Texas

Description

Job Type:Full-Time |

Location:Sweetwater, TX |

Department:Construction |

Reporting to:Construction Manager (HV) |

Work Location Type:#onsite

IREN is a leading AI Cloud Service Provider, delivering large-scale GPU clusters for AI training and inference. IRENs vertically integrated platform is underpinned by its expansive portfolio of grid-connected land and data centers in renewable-rich regions across the U.S. and Canada.

The

High Voltage (HV) Construction Supervisoris a critical leadership role responsible for protecting and delivering power to some of the most advanced, mission-critical data center infrastructure in the industry. In this role, you will serve as the site authority for high-voltage systems, leading technicians and contractors through complex switching, maintenance, and outage activities that directly support 24/7 operations. You will work at the center of power reliabilitypartnering with Operations, Engineering, and utility providers to ensure safe, uninterrupted energy delivery while supporting system expansions and next-generation infrastructure growth.

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.
  • Minimum 7 years of experience working with high-voltage systems (13.8kV-345kV) in substations, utilities, industrial facilities, or data center environments.
  • Minimum 2 years of experience in a lead or supervisory role (Supervisor, Foreman, Lead Technician, or equivalent) overseeing HV electrical work execution.
  • Journeyman or Master Electrician license, or Journeyman Lineman license.
  • Authorized/qualified for high-voltage switching.
  • NETA certification or equivalent HV testing experience.
  • NFPA 70E and OSHA 30 certification.
  • Expert knowledge of HV switching procedures and substation safety practices.
  • Strong technical understanding of power transformers, circuit breakers, protective relays, battery and DC control systems, Substation control schemes.
  • Ability to read and interpret one-lines diagrams, schematics, wiring diagrams, relay logic, and coordination studies.
  • Working knowledge of HV testing and diagnostics, including: DGA / oil analysis, insulation resistance testing, breaker timing, infrared thermography, SF6 handling and testing.
  • Strong leadership presence with effective communication and contractor coordination skills.
  • Proven ability to make sound decisions during outages, abnormal operating conditions, and emergency response events.
  • Proficient with QA/QC systems, PtW and Switching Instruction documentation, and reporting standards.

Other Important Requirements:

  • Pre-employment screening, including background check and substance testing may be required according to company policies.
  • Work performed in outdoor substations and energized electrical environments.
  • Must provide own steel-toed work boots; all other required PPE will be supplied.
  • Ability to walk job sites, climb ladders and stairs, and perform field inspections and oversight.
  • Must be able to reliably commute to the work site daily or relocate prior to start.
  • Must be comfortable working a rotational schedule, including days, nights, weekends, and holidays as required.
  • Must be able to respond during off-hours for emergency events.
  • Employees working night shifts receive a 15% shift premium for hours worked during night shifts.

  • Supervise daily HV construction activities to ensure safe, compliant, and high-quality execution across substations.

  • Lead HV switching, isolation, g ounding, and restoration activities in accordance with company procedures and NFPA 70E / OSHA requirements.
  • Oversee installation, commissioning, and energization of HV equipment, including transformers, circuit breakers, switchgear, protective relays, and control power systems.
  • Coordinate and oversee third-party contractors performing HV testing, and commissioning work; verify qualifications, scope compliance, and work quality.
  • Ensure compliance with NEC, NERC (where applicable), local utility requirements, and internal operational standards.
  • Review, approve, and maintain switching orders, QA/QC reports, condition assessments, test results.
  • Support fault response, troubleshooting, incident investigations, and root cause analysis (RCA); implement corrective actions to prevent recurrence.
  • Partner with Engineering and Operations on outage planning, load transfers, equipment upgrades, commissioning, and energization activities.
  • Provide leadership, mentoring, and training to HV technicians, reinforcing safe work practices and procedural discipline.
  • Maintain strict adherence to all safety policies and procedures. Safety is a condition of employment.

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

  • The expected hourly range for this role is $57.25 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 and 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 resources

Financial Well-Being

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