Senior Relay Technician - Utility & High-Voltage Protection - Union
Utilities Service Co Inc
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 insubstationcommissioning, acceptance testing, and maintenance for clients in electrical transmission, distribution, and generation. As aNETA-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.
$22 - $24 per hour
...quality standards, scope and specifications as required. Service Technician 3. Assists in conducting routine and periodic property... ...benefits. *Benefits offered for full-time employees. For Union and Prevailing Wage roles, compensation and benefits may vary from...UnionSeniorHourly payFull timeFor contractorsLocal areaImmediate startWeekend work$32 - $48 per hour
...Job Title: Field Technician II About the Company... ...across Data Centers, Utility, Generation, Renewables... ...inspect, test, and maintain High, Medium, and Low... ...with the following: Voltage Verification Contact... ...other characteristics protected by state or federal laws...SuggestedHourly payDaily paidTemporary workFlexible hours$38 - $58 per hour
...Field Technician III Electric Power Systems (EPS) is... ...across Data Centers, Utility, Generation, Renewables... ...inspect, test, and maintain High, Medium, and Low... ...High, Medium, and Low voltage testing of electrical... ...other characteristics protected by state or federal laws...SuggestedHourly pay$17.75 - $20.75 per hour
...specimens Minimum Qualification: ~ High School Diploma or GED equivalent... ...family or parental status, marital, civil union or domestic partnership status, sexual orientation... ...information, or any other legally protected characteristic. Additionally, all qualified...UnionHourly payTemporary workCasual workInternshipMonday to FridayFlexible hoursShift work$22 - $24 per hour
...quality standards, scope and specifications as required. Service Technician 3. Assists in conducting routine and periodic property... ...program and benefits. *Benefits offered for full-time employees. For Union and Prevailing Wage roles, compensation and benefits may vary from...UnionSeniorHourly payFull timeFor contractorsLocal areaImmediate startWeekend work$74.71k - $101.88k
...Department is seeking an HVAC Technician (Air Conditioning Mechanic)... ...Management Systems (EMS) is highly desirable. A Universal EPA Technician... ...instruction taken at a union training center, adult school... ...per Environmental Protection Agency, Rule 608 of the Clean...UnionDaily paidTemporary workApprenticeshipWork experience placementWork at officeLocal areaFree visaMonday to FridayFlexible hoursAfternoon shift$17 - $20 per hour
...sorting and data entry in a fast-paced, high-throughput environment according to established... ...or parental status, marital, civil union or domestic partnership status, sexual orientation... ...information, or any other legally protected characteristic. Additionally, all...UnionHourly payPart timeCasual workReliefMonday to FridayFlexible hoursNight shift$24 - $28.2 per hour
...Hospital Service Technician I Agiliti is a nationwide company of... ...You Will Need for This Role High school diploma or equivalent.... ...or any other characteristic protected by applicable federal, state,... ...for regular, full-time, non-union employees including: health insurance...UnionDaily paidFull timeTemporary workWork experience placementLocal areaFlexible hoursAfternoon shift$140k - $175k
...the Role MWH is currently seeking a Senior Resident Engineer to support critical... ...construction (technology, equipment, methods), union jurisdiction, labor agreements, and... ...Qualifications Experience in medium/high voltage electrical, instrumentation, and controls...UnionSeniorContract workTemporary workFor contractorsApprenticeshipLocal areaFlexible hours$28 - $32 per hour
...Shop Technician Concentric is the first national industrial power... ...distributors, manufacturers, utilities, communications infrastructure... ...customer satisfaction through high-quality service. This role... ...required. Utilize all personal protective equipment (PPE) as instructed...Hourly payFull timeTemporary workRemote workFlexible hoursNight shift- ...purpose of the Maintenance Technician role is to ensure the integrity... ...1. Education: a. High School Diploma (or GED or High... ...Active: diodes, transistors, relays. Protection: fuses, breakers. Digital... ...Signals Continuous voltage/current. Signal conditioning...Work experience placementMonday to FridayWeekend work
$24.5 - $36.56 per hour
...Maintenance Technician II Headquartered in Southern... ...development of stylish, high-quality products at a... ...starters, overloads, relays, switches, circuit breakers... ...Replace and wire dual voltage motors (480vac/208vac... ..., or any other protected characteristic established...Local areaDay shift$25.82 - $40.16 per hour
...The Maintenance Technician I supports the FedEx... ...handling systems. Will utilize prescribed... ...multimeter on AC/DC voltage and continuity setting... ...a failed or stuck relay or contactor... ...EDUCATION ~ High School Diploma or... ...Employee Polygraph Protection Act E-Verify...Hourly payMinimum wageContract workWork at officeLocal areaAll shiftsFlexible hoursDay shift$22 - $25 per hour
...communication facilities and ownership on utility poles. Provides field drawings of... ...work independently. Education/Training: High School graduate or equivalent. Basic computer... ...associated with race, such as hair texture and protective hairstyles), religion (including...Local area$18.54 - $31.62 per hour
...Senior Technician Bridgestone Retail Operations (BSRO) is part of Bridgestone Americas and employs over 22,000 teammates in North America... ...information, veteran status, or any other characteristic protected by federal, state or local law. Employment Eligibility...SeniorDaily paidMinimum wagePrice workFull timeTemporary workPart timeLocal areaFlexible hours- ...Senior Fleet Technician Keep the City moving—one repair at a time. The City of Corona is seeking a highly skilled Senior Fleet Technician to join our dedicated team of professionals who keep essential vehicles and equipment operating safely and efficiently. In this...Senior
$21.95 - $25.95 per hour
...revenue, Centuri leads the way in utility and energy infrastructure... ...and efficiently in the field - protecting yourself, your crew, and the community... ...What You'll Have High School diploma or equivalent... ...medical card Join and maintain Union membership Our Commitment...UnionFor contractorsLocal area$37.56 - $44.19 per hour
...Sr. Mechatronics & Robotics Technician, you will lead service technicians... ..., maintain, and troubleshoot relay logic, ladder diagrams,... ...facility. Basic Qualifications High school diploma or equivalent.... ...or required Personal Protective Equipment (PPE), which may include...SeniorHourly payWeekly payMinimum wageContract workFlexible hours$35.05 per hour
...hour. Swing and graveyard wage differentials. BENEFITS: Union Health Benefits: Medical HMO/PPO, Dental, Vision Full Pension... ...shift Overtime Weekends Requirements Education High school diploma, vocational training, or a related field is preferred...UnionHourly payShift workNight shiftWeekend workAfternoon shift- ...Job Description Job Summary: Senior Maintenance Technician is responsible for keeping the facility operating and repairing system problems... ...including single phase and three phase power, motors, protective devices and/or photo sensors. Experience with electronics...SeniorHourly payRemote workNight shift
- ...support America's natural gas utility and energy infrastructure. Working... ...Driver's License ~ High School diploma or equivalent... ...medical card Join and maintain Union membership Our Commitment... ...disability, or any other status protected by federal, state or local law...UnionFor contractorsLocal areaShift work
$32 - $48 per hour
...Overview Job Title: Field Technician II About the Company... ...clients across Data Centers, Utility, Ge neration, Renewables, Transit... ...ct , test, and maintain High, Medium, and Low ele ct rical... ...Experience with the following: Voltage Verification Contact...Hourly payDaily paidFlexible hours- ...BESS Field Technician Grand Terrace, CA About... ...track record in utility-scale solar and energy... ...to ensure safe, high quality and timely... ...medium, and high voltage equipment,... ...transformers, breakers, relays, contactors, motors... ...to wear personal protective equipment is required...For contractorsWork at officeLocal areaFlexible hoursShift workNight shift
$36.51 per hour
...and complex process systems. Union enviorment starting rae of pay... ...controls. * Efficiently utilize Microsoft Office tools as well... ...should have the following: * High School Diploma or equivalent and... ...* Wear all required personal protective equipment (hearing, vision, and...UnionContract workApprenticeshipWork at office$26 per hour
...Rhino is seeking a Full-Time Sr Maintenance Technician to join our hardworking and safety-... ...and critical illness insurance Income Protection : Company-provided short-term and long-... ...tasks as assigned. Qualifications ~ High school diploma or equivalent. ~...SeniorHourly payPermanent employmentFull timeTemporary workLive inLocal areaWork visaFlexible hours- ...platform includes High-Light Electric, Inc... ...California-based union electrical infrastructure... ...The Role The Senior Estimator owns... ...learned. Protect bid margin variance... ...International Certified Cost Technician (CCT), Certified... ..., grading, utilities, roadway) required...UnionSeniorFor contractors
- A leading fire protection services company based in California is looking for a full-time Sprinkler Service Fitter. This position involves installing, modifying, and repairing fire sprinkler systems, ensuring compliance with NFPA standards. Candidates must have at least...SeniorFull time
- ...Senior Linux & OpenShift Administrator Norco, California 92860 Secret Clearance... ...that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase... ...protected veteran status, political affiliation, union membership, or any other characteristic...UnionSenior
- ...Senior Windows Systems Administrator (Enterprise IT) Location... ...authentication troubleshooting. Utilize strong PowerShell scripting... ...Department at [email protected] or (***) ***-**** Everforth... ...status, political affiliation, union membership, or any other characteristic...UnionSeniorPermanent employmentContract work
$48.41 - $56.95 per hour
...contractor with a reputation for combining high-quality consulting services with... ...Commercial experience as a HVAC and Refrigeration Technician ~ Knowledge and experience in the... ...Benefits are provided through local labor union aligned with collective bargaining agreement...UnionHourly payFor contractorsLocal area
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!
- urgent care technician Riverside, CA
- human resources technician Riverside, CA
- telemetry technician Riverside, CA
- business technician Riverside, CA
- greenhouse technician Riverside, CA
- data entry technician Riverside, CA
- mercedes benz technician Riverside, CA
- logistics technician Riverside, CA
- community development technician Riverside, CA
- sample management technician Riverside, CA


