High Voltage Technician – 138kV+ Substations, On-Call

Infinium; Pecos (TX); On-site; USD 75,000 - 110,000; Full time

Job summary

Infinium is seeking a High Voltage Electrical Technician in Pecos, TX to ensure safe, reliable operation of our power distribution up to 138kV+. You will perform installation, testing, troubleshooting, and maintenance of LV/MV/HV systems, including switchgear, transformers, and protective relays.

You will collaborate with Operations, Engineering, and Maintenance to maintain regulatory compliance and minimize downtime while supporting commissioning and startup activities.

Qualifications

• Technical diploma or associate degree in Electrical Technology, Power Distribution, Industrial Electrical, or related field.
• 3–6+ years of experience in power generation, utility, substation, data center infrastructure, or heavy industrial environments.
• Hands-on MV/HV systems experience up to 138kV preferred.
• Experience with substations, protective relays, transformers, and switching procedures.
• Experience with high voltage testing equipment including megger, hi-pot testers, and relay test sets.
• Proficient with multimeters, calibrators, loop testers, megohmmeters, and electrical test equipment.
• Strong knowledge of NEC, NFPA 70E, IEEE standards, and OSHA PSM.
• Ability to work independently and in a team with willingness for overtime and on-call.

Responsibilities

• Perform maintenance, testing, and troubleshooting on MV/HV electrical systems up to 138kV+.
• Lead and support medium and high voltage switching activities, LOTO, and energy isolation per NFPA 70E.
• Inspect, test, and maintain protective relays, grounding systems, and electrical protection schemes.
• Perform substation maintenance, transformer inspections, and cable testing.
• Support commissioning and startup of medium and high voltage power distribution infrastructure.
• Coordinate with utility providers and engineering on switching plans, outages, and energization activities.
• Read and interpret single-line diagrams, electrical schematics, and protection drawings.

Skills

MV/HV systems

Electrical testing

Troubleshooting

Electrical safety

Lockout/Tagout

Protective relays

Megger testing

Schematic reading

Calibrators

Education

Technical diploma or associate degree in Electrical Technology

Power Distribution / Industrial Electrical

Tools

Megger

Hi-pot testers

Multimeters

Loop testers

Relay test sets

Job description

Infinium is seeking a High Voltage Electrical Technician in Pecos, TX to ensure safe, reliable operation of our power distribution up to 138kV+. You will perform installation, testing, troubleshooting, and maintenance of LV/MV/HV systems, including switchgear, transformers, and protective relays.

You will collaborate with Operations, Engineering, and Maintenance to maintain regulatory compliance and minimize downtime while supporting commissioning and startup activities.