High-Voltage Substation Technician: On-Call Grid Reliability

Green Energy Technical Services Group; Tracy (CA); On-site; USD 90,000 - 130,000; Full time

Job summary

Green Energy Technical Services Group seeks a Permanent High Voltage Substation Technician to provide continuous on-site oversight, maintenance, and emergency response for utility-scale substations. You will ensure daily facility integrity, rapid fault remediation, and reliable grid operation for renewable or transmission assets.

The role requires 3–5 years of HV substation experience, an electrical qualification, and strong knowledge of NFPA 70E and NERC standards.

Qualifications

• 3–5 years of dedicated HV substation maintenance experience.
• Associate degree or equivalent electrical training.
• Completed electrical apprenticeship or military training.
• OSHA 10/30, NFPA 70E, CPR/First Aid preferred.

Responsibilities

• Conduct daily site inspections and thermal imaging scans.
• Inspect met towers and perform road/culvert maintenance.
• Perform preventive and corrective maintenance on transformers, circuit breakers, disconnect switches, and instrument transformers.
• Lead insulation resistance (Megger), transformer turns ratio (TTR), and contact resistance tests.
• Coordinate switching orders and voltage schedules with local utility and balancing authority.
• Maintain on-site NERC PRC-005 compliance records and environmental logs.
• Respond to emergencies and supervise contractor crews during major turnarounds.

Skills

HV substation maintenance

Electrical testing

NERC PRC-005 compliance

Safety compliance

Schematic reading

Autonomy

Education

Associate degree in Electrical Technology

Electrical apprenticeship

Military technical training

Tools

Megger

TTR testing

Job description

Green Energy Technical Services Group seeks a Permanent High Voltage Substation Technician to provide continuous on-site oversight, maintenance, and emergency response for utility-scale substations. You will ensure daily facility integrity, rapid fault remediation, and reliable grid operation for renewable or transmission assets.

The role requires 3–5 years of HV substation experience, an electrical qualification, and strong knowledge of NFPA 70E and NERC standards.