ZipRecruiter

Log In

1

Commission Protection Relay Testing Jobs in California

EPS

Relay Technician II

Sacramento, CA

$65 - $75/hr

Relay Technician II About The Company: Ele ct ric Power Systems (EPS) is a NETA -accredited ... Perform installation, commissioning, testing and maintenance of protective relaying equipment.

EPS

Relay Technician II

Sacramento, CA

$65 - $75/hr

Relay Technician II About The Company: Ele ct ric Power Systems (EPS) is a NETA -accredited ... Perform installation, commissioning, testing and maintenance of protective relaying equipment.

EPS

Relay Technician II

Sacramento, CA · On-site

$65 - $75/hr

Relay Technician II About The Company: Electric Power Systems (EPS) is a NETA-accredited ... Perform installation, commissioning, testing and maintenance of protective relaying equipment.

EPS

Relay Technician II

Sacramento, CA · On-site

$65 - $75/hr

Relay Technician II About The Company: Electric Power Systems (EPS) is a NETA-accredited ... Perform installation, commissioning, testing and maintenance of protective relaying equipment.

EPS

Sr. Relay Technician

San Francisco, CA · On-site

$70 - $85/hr

Analyze protection schemes for power circuits and other power system components. * Perform installation, commissioning, testing, and function testing of substation control circuits on relay panel ...

EPS

Sr. Relay Technician

San Diego, CA

$55 - $78/hr

Analyze protection schemes for power circuits and other power system components. * Perform installation, commissioning, testing, and function testing of substation control circuits on relay panel ...

High Priority Plumbing

Sr. Relay Technician

San Diego, CA · On-site

$55 - $78/hr

Analyze protection schemes for power circuits and other power system components. * Perform installation, commissioning, testing, and function testing of substation control circuits on relay panel ...

EPS

Sr. Relay Technician

Sacramento, CA · On-site

$70 - $85/hr

Analyze protection schemes for power circuits and other power system components. * Perform installation, commissioning, testing, and function testing of substation control circuits on relay panel ...

EPS

Sr. Relay Technician

San Francisco, CA · On-site

$70 - $85/hr

Analyze protection schemes for power circuits and other power system components. * Perform installation, commissioning, testing, and function testing of substation control circuits on relay panel ...

EPS

Sr. Relay Technician

San Diego, CA · On-site

$55 - $78/hr

Analyze protection schemes for power circuits and other power system components. * Perform installation, commissioning, testing, and function testing of substation control circuits on relay panel ...

next page

Showing results 1-20

All JobsCommission Protection Relay Testing JobsCommission Protection Relay Testing Jobs in California

Commission Protection Relay Testing information

What is the difference between Commission Protection Relay Testing vs Protection Relay Testing?

AspectCommission Protection Relay TestingProtection Relay Testing
CertificationsTypically requires relay testing certifications and commissioning credentialsRequires relay testing certifications, often with additional focus on system integration
Work EnvironmentPrimarily on-site during commissioning or maintenance of new or existing systemsOn-site or in labs, testing relays within power systems or substations
Industry UsageUsed during initial system setup and commissioning phasesUsed for ongoing testing, maintenance, and troubleshooting of relays

Commission Protection Relay Testing focuses on verifying relays during system commissioning, ensuring proper setup. Protection Relay Testing involves routine or troubleshooting tests to maintain relay performance. Both roles require similar certifications but differ in timing and purpose within power system maintenance.

What are the most commonly searched types of Protection Relay Testing jobs in California? The most popular types of Protection Relay Testing jobs in California are:
What are popular job titles related to Commission Protection Relay Testing jobs in California? For Commission Protection Relay Testing jobs in California, the most frequently searched job titles are:
What job categories do people searching Commission Protection Relay Testing jobs in California look for? The top searched job categories for Commission Protection Relay Testing jobs in California are:
What cities in California are hiring for Commission Protection Relay Testing jobs? Cities in California with the most Commission Protection Relay Testing job openings:
Commission Protection Relay Testing jobs near you
Infographic showing various Commission Protection Relay Testing job openings in California as of May 2026, with employment types broken down into 93% Full Time, and 7% Part Time. Highlights an 85% In-person, and 15% Remote job distribution.

Test Technician - Medium/High Voltage (Union)

Asplundh Electrical Testing, LLC

San Diego, CA

$23.25 - $31.75/hr

Full-time

Posted 4 days ago

Job description

Test Technician – Medium/High Voltage

At Asplundh Electrical Testing (AET), we power reliability across critical infrastructure—and our technicians are at the heart of that mission. We value professionals who come from hands-on, mission-critical electrical environments and bring a strong commitment to safety, ownership, and problem-solving. If you have experience working on complex electrical systems and thrive under pressure, this is a role where your skills directly translate.

Join us and be part of a team known for safety, quality, and technical excellence.

Key Responsibilities
  • Apparatus Testing & Maintenance
    • Perform field testing and inspection of circuit breakers, power transformers, instrument transformers (CTs/PTs), switchgear, cables, and bus systems
    • Conduct electrical tests including:
    • Insulation resistance (Megger)
    • Power factor / Doble testing
    • Transformer turns ratio (TTR)
    • Winding resistance
    • Contact resistance
    • Breaker timing and mechanical inspections
    • Assist with commissioning, troubleshooting, and maintenance of substation equipment up to HV levels
  • Relay Testing Support
    • Assist with basic protective relay testing and functional verification during commissioning and maintenance activities
    • Support relay-related work using standard industry test sets such as:
    • Omicron CMC
    • Doble test equipment
    • Megger relay test tools
    • Help perform simple relay checks and system verification, such as:
    • Functional checks of protection schemes
    • Verification of wiring, inputs/outputs, and control logic
    • Participate in end-to-end or system-level testing activities under supervision, without responsibility for advanced relay programming or settings development

General Field Responsibilities

  • Interpret single-line diagrams, wiring schematics, and equipment drawings
  • Troubleshoot electrical equipment issues and assist in root cause analysis
  • Accurately document test results and prepare field service reports
  • Ensure compliance with NETA standards, safety regulations, and company procedures
  • Travel to client sites and work in outdoor substation environments

Qualifications

  • Required 
    • 2–5+ years of experience in electrical testing, substation maintenance, or field service
    • Hands-on experience with medium- and high-voltage apparatus testing
    • Familiarity with common test equipment such as:
      • Megger
      • Doble
      • Vanguard or similar
    • Basic understanding of protective relays and control circuits (exposure, not specialization)
    • Ability to read and interpret electrical drawings and schematics
    • Valid driver’s license and willingness to travel
    • Preferred
      • Experience in a NETA-accredited testing environment
      • NETA/NICET certification
      • Exposure to protective relay testing equipment (Omicron, Doble test sets, etc.)
      • Associate degree or technical certification in Electrical Technology or related field
      • OSHA 10/30 or equivalent safety training

      About Us

      Asplundh Electrical Testing (AET) has been a leading provider of independent electrical testing services since 1981. Headquartered in Foxboro, MA, with regional offices across the country, AET specializes in substation commissioning, acceptance testing, and maintenance for clients in electrical transmission, distribution, and generation. As a NETA-certified company and a member of Asplundh Engineering Services—a subsidiary of Asplundh Infrastructure Group—AET is committed to delivering reliable, high-quality services at competitive prices.

      An Asplundh Company

      As part of the Asplundh family, AET benefits from extensive resources and a century of experience. Together, we provide utilities with comprehensive end-to-end services, from design to construction, testing, and maintenance, ensuring reliability and peace of mind.

      Our Commitment

      At AET, we believe in tackling challenges together with our customers, leveraging our collective experience and resources to achieve success in every project.

      Apply