Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Relay Technician - Utility & High-Voltage Protection - Union

Asplundh Electrical Testing, LLC

Description

About the Role

At Asplundh Electrical Testing , safety is not a priority—it is our foundation. The Senior Relay Technician plays a critical role in ensuring the safe, reliable operation of medium‑ and high‑voltage utility substations through advanced protective relay testing, commissioning, and maintenance activities.

This position is ideal for professionals with a utility background who have hands‑on experience testing and commissioning transmission and distribution protection systems . You will serve as a technical lead in the field, guide crews through complex outage work, and reinforce Asplundh’s reputation for safety, precision, and service excellence.

We are experiencing strong growth and are immediately hiring Senior Relay Technicians with deep expertise in protection and control, relay schemes, and substation energization . If you enjoy solving complex protection challenges, leading safe work execution, and influencing system reliability at scale, we’d like to speak with you.

As a NETA‑accredited, independent electrical testing and engineering organization , Asplundh Electrical Testing sets the benchmark for technical excellence and unwavering safety across the utility, renewable energy, data center, and industrial sectors .

Candidates must be authorized to work in the United States for any employer at the time of hire. This position is not eligible for visa sponsorship.

What You’ll Do

  • Lead job briefings and safety tailboards, reinforcing a “Safety First, Always” field culture
  • Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and high‑voltage systems
  • Test and validate transmission and distribution protection schemes , including:
    • Distance, differential, overcurrent, breaker failure, and bus protection
  • Verify control and protection circuits for:
    • Power transformers
    • Medium‑ and high‑voltage circuit breakers
    • Feeder relays
    • Capacitor banks and reactors
  • Support outage planning, switching coordination, energization, and restoration activities
  • Perform event analysis, relay target review, and disturbance investigations
  • Lead and mentor onsite technicians; coordinate work execution with project managers, system operators, and utility customers
  • Create and maintain accurate test reports, as‑left settings, and field documentation
  • Participate in job walks, project estimating, and customer technical discussions
  • Serve as a technical resource and trainer for developing relay technicians

Travel Requirements:
Work is performed at customer sites throughout the assigned region. Regular regional travel is required, with opportunities for extended assignments outside the region as needed.
✔ Company vehicle provided for regional work‑related travel.

What You Bring
  • 5+ years of hands‑on experience in protective relaying for utility substations
  • Demonstrated experience testing medium‑ to high‑voltage (5kV–500kV) protection systems
  • Strong working knowledge of microprocessor‑based relays
  • Experience with modern relay test platforms
  • Solid understanding of utility safety rules, energized work practices, and lockout/tagout procedures
  • Ability to interpret:
    • Protection diagrams
    • AC/DC schematics
    • Wiring and logic drawings
  • Valid driver’s license; ability to work outdoors, travel, and lift up to 70 lbs
Education & Credentials
  • NETA Level III or IV Certification preferred for Senior roles
    (Candidates at other NETA levels are encouraged to apply for opportunities across the organization)
  • Experience with:
    • Circuit breakers
    • Power transformers
    • Switchgear
    • RTUs and substation communications
  • Technical degree, apprenticeship, or military electrical training
  • OSHA 10 or OSHA 30
  • Valid driver’s license with a clean driving history

What We Offer

At Asplundh Electrical Testing, we invest in the well‑being of our people. Eligible employees enjoy a comprehensive benefits package designed to support their health, financial security, and work‑life balance, including:
  • Medical, dental, and vision coverage starting on day one
  • Retirement plan to help you secure your future
  • Company‑provided life insurance for added peace of mind
  • Supplemental life insurance options, including spouse and child coverage
  • A variety of voluntary Aflac supplemental insurance programs
  • Long‑term disability coverage
  • Pre‑paid legal plan
  • Employee Assistance Program (EAP) to support personal and professional well‑being
  • Paid time off to recharge and refresh
  • Paid holidays
  • Access to employee discount programs and helpful resources
*Benefits listed above are available to eligible employees. Eligibility requirements and plan provisions apply

Please note:   For roles that fall within union‑represented territories, certain benefits and employment terms may differ from what’s listed here. In those cases, the applicable local union agreement will guide the specific benefits and provisions. We’re committed to transparency and will walk you through what applies to your location during the hiring process.

Who We Are

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.




Benefits
We offer a competitive range of benefits to support our employees’ health, well-being, and financial security. Medical, dental, and vision benefits are available to all eligible employees on the first day of employment. For more information on the benefits available for this role, please contact the recruiter or hiring manager.

Individuals with a disability who desire a reasonable accommodation can contact the ADA Coordinator by calling View phone number on click.appcast.io. We partner with the Department of Homeland Security/U.S. Customs and Immigration Service to e-Verify all newly hired employees.

An Equal Opportunity Employer.

Please note:
  • All job offers are subject to pre-employment drug screening and a background check.
  • Unless otherwise noted, we do not sponsor employees for work authorization in the U.S. for this position.
Notice to Agencies: We only accept resumes from recruiters, employment agencies, or staffing services if a Service Agreement has been signed and we have requested recruitment/staffing services for the specific position. Any unsolicited resumes will become the property of the company, and no fees or compensation will be paid to the recruiter, employment agency, or staffing service.
Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Senior Relay Technician - Utility & High-Voltage Protection - Union in Los Angeles, CA vacancy
  • $29.42 - $47.09 per hour

     ...Summary The Aerospace Vehicle Technician will be responsible for...  ...Required Skills/Experience): High School Diploma or GED...  ...Additional Information: This is a union-represented position This...  ...status or other characteristics protected by law. Boeing is an Equal... 
    Union
    Senior
    Hourly pay
    Permanent employment
    Interim role
    Currently hiring
    Local area
    Relocation
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work
    Afternoon shift

    The Boeing Company

    El Segundo, CA
    8 hours ago
  • $29.42 - $47.09 per hour

     ...Aerospace Vehicle Technician Senior 2nd Shift Company: Millennium Space...  ...Required Skills/Experience): High School Diploma or GED...  ...Information: This is a union-represented position This...  ...Careers website. Learn how to protect yourself from recruitment fraud... 
    Union
    Senior
    Hourly pay
    Permanent employment
    Interim role
    Local area
    Relocation
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work
    Afternoon shift

    Boeing

    El Segundo, CA
    12 hours ago
  • $29.42 - $47.09 per hour

     ...Propulsion Technician At Boeing, we innovate and collaborate...  ...Subsystem Manuf Tech Senior. Our team is currently...  ...propulsion assembly on high reliability products (...  ...: This is a union-represented position...  ...other characteristics protected by law. Clearance Jobs
    Union
    Senior
    Hourly pay
    Permanent employment
    Second job
    Currently hiring
    Local area
    Flexible hours
    Shift work
    Afternoon shift

    Clearance Jobs

    El Segundo, CA
    4 days ago
  • $140k - $200k

     ...Senior R&D Software Engineer - Networked Electronic WarfareTHE COMPANYSilvus...  ...from underground tunnels to high altitude balloons.Silvus...  ...or expression, marital, civil union or domestic partnership status...  ...or mental disability, protected veteran status, genetic information... 
    Union
    Senior
    Local area
    Remote work

    SILVUS TECHNOLOGIES

    Los Angeles, CA
    2 days ago
  •  ...Senior Legal Analyst - Consumer Protection Division Print (  Senior Legal Analyst - Consumer Protection Division...  ...-to-date case files; Handling a high volume of calls and emails from the...  ...Attorneys Legal Support Staff Union. ( E qual Opportunity Employer. See... 
    Union
    Senior
    Minimum wage
    Full time
    Local area
    Remote work
    Monday to Thursday
    Weekend work
    Afternoon shift

    City of Santa Monica

    Santa Monica, CA
    3 days ago
  • $32.4 - $55.08 per hour

    The Public Communications and Engagement Senior Manager reports to the Student Health's executive...  ..., gender identity, national origin, protected veteran status, disability, or any other...  ...state-of-the-art facilities to provide highly specialized care for some of the most acute... 
    Union
    Senior
    Hourly pay
    Full time
    Work experience placement
    Local area

    Keck Medicine of USC

    Los Angeles, CA
    3 days ago
  • $136.3k - $204.4k

     ...communities improve, reuse, and protect our world’s most...  ...are seeking a skilled Senior Control System...  ...working with multiple utilities in North America to develop...  ...software configuration of high-availability server configurations...  ...above may not apply to union positions because... 
    Union
    Senior
    Full time
    Temporary work
    Part time
    Casual work
    Live in
    Work at office
    Local area
    Flexible hours

    Stantec

    Pasadena, CA
    1 day ago
  • $29.42 - $47.09 per hour

    Electro-Mechanical Technician Senior First Shift - Millennium Space Systems...  ...to work any shift assigned. Union: This is an hourly union-represented...  .../Experience): Minimum of High School Diploma or GED More...  ...Careers website. Learn how to protect yourself from recruitment fraud... 
    Union
    Senior
    Hourly pay
    Full time
    Interim role
    Live in
    Currently hiring
    Work at office
    Local area
    Immediate start
    Relocation
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work
    Day shift

    Boeing

    El Segundo, CA
    4 days ago
  •  ...involved in projects with our Small Utility Services Team and be a part of...  ..., and regulations. Apply high-level electrical engineering...  ...leadership to mid-level to senior level team or project members,...  ...applicant's sex or other status protected by local, state, and/or... 
    Senior
    For subcontractor
    Work at office
    Local area
    Flexible hours

    WSP

    Los Angeles, CA
    12 hours ago
  • $35 - $60 per hour

     ...Electrical Field Service Technician Our client, a nationally recognized leader...  ...testing of medium- and high-voltage equipment across utility, industrial, and data center environments...  ...transformers Circuit breakers Protective relays and protection systems Execute... 
    Hourly pay
    Daily paid
    Traineeship
    Monday to Friday

    Ridgemont Resources

    Los Angeles, CA
    12 hours ago
  •  ...Willdan is seeking a Senior Construction...  ...Agreements (PLA) and union jurisdiction requirements...  ...clients, utilities, and stakeholders,...  ...staff and foster a high-performance team environment...  ...and oral form. Relays confidence and...  ...classification protected by federal, state... 
    Union
    Senior
    Contract work
    For contractors
    For subcontractor
    Work at office
    Local area

    Willdan

    Los Angeles, CA
    13 hours ago
  • $35 - $60 per hour

     ...divh2Electrical Field Service Technician/h2pOur client, a nationally recognized...  ...testing of medium- and high-voltage equipment across utility, industrial, and data center environments...  ...liliCircuit breakers/liliProtective relays and protection systems/li/ul/liliExecute LOTO... 
    Hourly pay
    Traineeship
    Monday to Friday

    Zaddy Solutions

    Los Angeles, CA
    4 days ago
  • $42.71 per hour

     ...components. By meticulously servicing Union Pacific's locomotives, you...  ...our team? Accountabilities Utilize schematics and location...  ...large motor generators and/or high-voltage circuitry. Proven...  ...necessitates the use of personal protective equipment such as safety glasses... 
    Union
    For contractors
    Shift work
    Weekend work

    Union Pacific Railroad

    Los Angeles, CA
    2 days ago
  • $6,386 - $7,753 per month

     ...retaliation; or on any other basis as protected by state, federal or local...  ...person and over the phone, utilizing remote support capabilities...  ...electrical power supply and high voltage. Benefits Full-time...  ...plan, and a credit union. Substitute employees are... 
    Union
    Hourly pay
    Permanent employment
    Full time
    Local area
    Remote work
    Flexible hours

    GovernmentJobs.com

    Downey, CA
    4 days ago
  • $148.85k - $293.77k

     ...demanding projects that require high reliability, energy and water...  ...Center, Low & Medium Voltage Switchgear, Pump Areas, Engine...  ...legal plan and the B&V Credit Union. Professionals may also be eligible...  ...pregnancy status or other status protected by law. For our EEO... 
    Union
    Senior
    Full time
    Part time
    Work experience placement
    Work at office
    Local area
    Relocation
    Visa sponsorship
    Flexible hours

    Black & Veatch

    Los Angeles, CA
    4 days ago
  •  ...Service Power Generation Technician/ Mechanic Diagnoses...  ...maintenance/repairs utilizing diagnostic tools...  ...maintenance abilities. High Voltage / Low Voltage experience...  ..., age, religion, union affiliation, sexual orientation...  ...identity, or other status protected by law. Cummins
    Union
    Apprenticeship
    Work experience placement
    Relocation package

    Cummins

    Santa Fe Springs, CA
    1 day ago
  • $125k - $130k

     ...Fox TV Stations is seeking a Senior Recruiter to join the talent team...  ...and hire top-tier talent for high-impact roles. You will play a...  ...gender identity, disability, protected veteran status, or any other characteristic...  ...plan documents. Benefits for Union represented employees will be... 
    Union
    Senior
    Local area

    Fox

    Los Angeles, CA
    1 day ago
  • $93k - $116.3k

     ...Security Senior Service Technician Reporting to the Manager, Physical Security...  ...(e.g., monitoring, relays, integrations), in partnership...  ...Skills and Experience: ~ High School Diploma or equivalent...  ...gender identity, or other protected characteristics. SPE will... 
    Senior
    For contractors
    Local area

    Sony Pictures Entertainment

    Culver City, CA
    1 day ago
  • $32 - $55.29 per hour

     ...detail-oriented and organized Senior Tax Analyst to support the Company...  ...candidate will thrive in a high-volume shared services...  ...gender identity, disability, protected veteran status, or any other characteristic...  ...plan documents. Benefits for Union represented employees will be... 
    Union
    Senior
    Hourly pay
    Local area

    Fox

    Los Angeles, CA
    5 days ago
  • $40.09 per hour

     ...Grossing Technician The Grossing Technician performs high complexity testing. Performs all duties associated with the gross examination of non-complex surgical...  ...orientation, gender identity, national origin, protected veteran status, disability, or any other... 
    Union
    Hourly pay
    Daily paid
    Work experience placement
    Local area
    Day shift

    University of Southern California

    Glendale, CA
    1 day ago
  • $95.06k - $142.52k

     ...laws and ordinances to protect life and property; provides...  ...Education Be a high school graduate, or...  ...manual, verbal, or mental utilization of data, people, or...  ...impairments can use California Relay Service 711 to contact...  ...reimbursement; credit union membership; SDI;... 
    Union
    Senior
    Full time
    Contract work
    Temporary work
    Traineeship
    Work experience placement
    Work at office
    Local area
    Immediate start
    Trial period
    Monday to Friday
    Shift work
    Night shift

    Los Angeles Metro

    Los Angeles, CA
    3 days ago
  • $39.49 - $43.75 per hour

     ...Hemodialysis Technician Under general supervision of the Department...  ...waived. Education High school diploma or equivalency...  ...: Regular Employee Group/Union Affiliation: B01|SEIU|Local 3...  ...veteran status, or any other protected characteristic or status.... 
    Union
    Work experience placement
    Work at office
    Local area
    Shift work
    Afternoon shift

    Kaiser Permanente

    Los Angeles, CA
    3 days ago
  • $37 per hour

     ...match and general accounting experience Highly proficient in Microsoft Excel (pivot tables...  ..., age, disability, status as a veteran, union membership, ethnicity, gender, gender identity...  ..., political affiliation, or any other protected characteristics as required by federal,... 
    Union
    Senior
    Contract work
    Work at office
    Local area

    Vaco

    Los Angeles, CA
    1 day ago
  • $117k - $124k

     ...Salary: 117,000-124,000 EMS Senior Technician Los Angeles, CA Full-Time...  ...Role CMTS is seeking a highly motivated EMS Senior Technician...  ...reviews Review: Utility data EMS data Energy usage...  ...arrest record, or any other protected characteristic under... 
    Senior
    Full time
    For contractors
    Local area

    CMTS

    Los Angeles, CA
    11 minutes ago
  • $39.69 per hour

     ...Saturday, 9pm start Benefits: Union, Medical, Dental, Vision, Retirement...  ...The Maintenance Mechanic utilizes work orders for the...  ...Education and Experience: ~ High School Diploma or General Education...  ...veteran status, or any other basis protected by applicable law. In addition... 
    Union
    Hourly pay
    Full time
    Immediate start
    Shift work

    Reyes Coca-Cola Bottling

    Los Angeles, CA
    5 days ago
  • $22.58 - $33.33 per hour

     ...Propulsion Technician B Second Shift - Millennium Space Systems Company...  ...Skills/Experience): High School Diploma or GED Minimum...  ...Information: This is a union-represented position This is...  ...Careers website. Learn how to protect yourself from recruitment... 
    Union
    Hourly pay
    Permanent employment
    Interim role
    Currently hiring
    Local area
    Relocation
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work
    Afternoon shift

    Boeing

    El Segundo, CA
    4 days ago
  • $32.47 - $35.81 per hour

     ...supervisors, leads and seniors. Assume other activities...  ...Education ~ High school diploma or...  ...Registration ~ Phlebotomy Technician II Certificate (...  ...Regular Employee Group/Union Affiliation: B01|SEIU|...  ...status, or any other protected characteristic or status... 
    Union
    Work experience placement
    Work at office
    Local area
    Shift work
    Night shift

    Kaiser Permanente

    Los Angeles, CA
    4 days ago
  •  ...The role of an ESWL Technician is to prepare and ensure...  ...Lithotripsy procedures and utilizes the Lithotripter and...  ...other characteristic protected by applicable federal,...  ..., full-time, non-union employees including: health...  ...the low and high ends of the Agiliti pay... 
    Union
    Daily paid
    Full time
    Temporary work
    Work at office
    Local area
    Flexible hours
    Night shift
    Weekend work
    Weekday work

    Agiliti Health

    Burbank, CA
    2 days ago
  • $65k - $90k

     ...Senior Helpdesk Technician Los Angeles, CA General Matter is enriching uranium in America. Our goal...  ...power national ambitions and enable a high-energy society. We were incubated...  ...physical disability or any other legally protected status. Compensation and Benefits... 
    Senior
    Full time
    Weekend work

    General Matter

    Los Angeles, CA
    2 days ago
  • $70k - $75k

     ...experienced General Maintenance Technician to start right away. General...  ...plus! Forklift certification highly desirable. This is position...  ...and carry certs. This is a non-union position.  Duties will...  ...~ General knowledge of low voltage wiring. ~ Plumbing PVC, ABS... 
    Union
    Immediate start

    Americannmade

    Los Angeles, CA
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Relay Technician - Utility & High-Voltage Protection - Union. Be the first to apply!