Senior Relay Tech: Substation Protection Leader

Utilities Service, LLC; El Centro (CA); On-site; USD 110,000 - 165,000; Full time

Benefits offered by this job

Medical, dental, and vision coverage

Retirement plan

Life insurance

Disability coverage

Paid time off

Paid holidays

Employee discounts

Job summary

Asplundh Electrical Testing is seeking a Senior Relay Technician to ensure safe, reliable operation of medium- and high-voltage substations through advanced protective relay testing, commissioning, and maintenance. You will lead on-site crews, guide outage work, and influence system reliability while upholding strict safety standards.

In this role you will test and calibrate protective relays, validate protection schemes, and provide technical mentorship to relay technicians across utility,

Qualifications

• 5+ years hands-on experience in protective relaying for utility substations.
• Experience testing medium- to high-voltage protection systems (5kV–500kV).
• Strong knowledge of microprocessor-based relays and modern relay test platforms.
• Solid understanding of utility safety rules, energized work practices, and lockout/tagout procedures.

Responsibilities

• Lead safety briefings and field tailboards, promoting a Safety First culture.
• Perform protective relay testing, calibration, troubleshooting, and commissioning on MV–HV systems.
• Test and validate transmission and distribution protection schemes (distance, differential, OC, etc.).
• Coordinate outage planning, energization, and restoration activities.
• Create and maintain accurate test reports and field documentation.

Skills

Protective relaying

HV testing

Microprocessor relays

Relay test platforms

Safety rules

Fault analysis

Education

NETA Level III/IV preferred

Technical degree / apprenticeship / military training

OSHA 10 or 30

Valid driver’s license

Tools

Modern relay test platforms

RTUs & substation comms

Job description

Asplundh Electrical Testing is seeking a Senior Relay Technician to ensure safe, reliable operation of medium- and high-voltage substations through advanced protective relay testing, commissioning, and maintenance. You will lead on-site crews, guide outage work, and influence system reliability while upholding strict safety standards.

In this role you will test and calibrate protective relays, validate protection schemes, and provide technical mentorship to relay technicians across utility,