Senior HV Construction Supervisor – Data Center Power

IREN; Sweetwater (TX); On-site; USD 110,000 - 140,000; Full time

Benefits offered by this job

Health insurance (100% company paid)

401(k) with company match

Paid time off

Relocation assistance

Job summary

IREN, a vertically integrated AI Cloud provider, seeks a High Voltage (HV) Construction Supervisor in Sweetwater, TX. You will act as the site authority for high‑voltage systems, leading technicians and contractors through complex switching, maintenance, and outage activities to support 24/7 operations in mission‑critical data center infrastructure.

This role requires a Journeyman or Master Electrician license, NETA certification, NFPA 70E/OSHA 30, and at least 7 years in HV environments, plus

Qualifications

• Minimum 7 years of experience with HV systems (13.8kV–345kV) in substations, utilities, industrial facilities, or data centers.
• 2+ years in a lead or supervisory role overseeing HV electrical work.
• Licenses and certifications as listed in requirements.

Responsibilities

• Supervise daily HV construction activities for safe, compliant execution across substations.
• Lead HV switching, isolation, grounding and restoration per NFPA 70E/OSHA.
• Oversee installation, commissioning, energization of HV equipment and third‑party vendors.
• Coordinate with Engineering and Operations on outages, load transfers and upgrades.
• Mentor HV technicians and enforce safety policies.

Skills

Leadership presence

Contractor coordination

Reading diagrams

NFPA 70E expertise

HV switching procedures

Outage management

Decision making under outages

Communication skills

Safety compliance

Education

Journeyman or Master Electrician license

NETA certification

NFPA 70E and OSHA 30 certifications

Tools

HV testing equipment

One-line diagrams interpretation

Job description

IREN, a vertically integrated AI Cloud provider, seeks a High Voltage (HV) Construction Supervisor in Sweetwater, TX. You will act as the site authority for high‑voltage systems, leading technicians and contractors through complex switching, maintenance, and outage activities to support 24/7 operations in mission‑critical data center infrastructure.

This role requires a Journeyman or Master Electrician license, NETA certification, NFPA 70E/OSHA 30, and at least 7 years in HV environments, plus