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.
Important Information for Applicants:
Asplundh Tree Expert, LLC and its family of companies are Equal Opportunity Employers. We consider all qualified applicants without regard to any legally protected characteristic.
If you require reasonable accommodation during the application or hiring process, please contact our ADA Coordinator at View phone number on click.appcast.io.
Employment offers are contingent upon successful completion of applicable pre-employment requirements, which include background screening, drug testing, and employment eligibility verification.
Compensation determination is based on market data, job scope and individual qualifications.
We offer a competitive total rewards package inclusive of health and welfare and retirement benefits, as well as paid time off and holiday pay benefits.
Unsolicited resumes without an executed agency agreement become the property of the company.
- ...Senior Relay TechnicianAt Asplundh Electrical Testing, safety... .... The Senior Relay Technician plays a critical role... ...operation of medium- and high-voltage utility substations through advanced protective relay testing,... ...roles that fall within union-represented territories...UnionSeniorApprenticeshipLocal areaImmediate start
- ...priority—it is our foundation. The Senior Relay Technician plays a critical role in... ...operation of medium‑ and high‑voltage utility substations through advanced protective relay testing, commissioning,... ...For roles that fall within union‑represented territories, certain...UnionSeniorApprenticeshipLocal areaImmediate start
$86.8k - $165.2k
...seeking a skilled and motivated Senior Electronics Technician to support our laboratory... ..., assemblies, and high voltage transmitter systems, including... ...Reporting, Isolation, Protection Circuits, Redundant Systems... ...Simulation, Magnetics, Protective Relay Systems, Short Circuit and...SeniorFull timeTemporary workWork experience placementWork at officeRemote workRelocationFlexible hours$92.52k - $176.56k
...and into the future. Protection & Controls... ...efficient operation of high-voltage electrical substations... ...Data Solutions (VDDS) Senior Engineering Technician plays a key role in... ...layouts, cable schedules, relay panel arrangements,... ...and the B&V Credit Union. Professionals may...UnionSeniorFull timePart timeWork experience placementWork at officeLocal areaRelocationVisa sponsorshipFlexible hours$86.8k - $165.2k
Senior Electronics Technician Location: 1001 Boston Post Rd, BLDG 3, Marlbrough, MA. Eligible for relocation... ...electronics assemblies, including high‑voltage transmitter systems and Traveling... ...individuals with disabilities and protected veterans under applicable law. #J-1...SeniorFull timeTemporary workRelocationFlexible hours$86.8k - $165.2k
Prattwhitney is seeking a Senior Electronics Technician in Massachusetts to test and troubleshoot electronics assemblies including high-voltage systems. Candidates should have a B.S. degree in Electronics or equivalent experience and an active DoD Secret clearance. The...Senior$95.6k - $131.45k
...equipment. This position will focus highly with backend processing (seam... ...certification of operators/technicians and ensure product compliance... ...US Permanent Residents, and protected individuals as defined by 8 U... ...military or veteran status, union membership, and political...UnionSeniorPermanent employmentFull timeWork at officeDay shift$110.39k - $151.81k
...more at and on LinkedIn and X.Senior Product Development EngineerAbout... ...and characterization work for high-speed interfaces (e.g., SerDes... ..., US Permanent Residents, and protected individuals as defined by 8 U.... ..., military or veteran status, union membership, and political...UnionSeniorPermanent employmentFull timeWork at officeDay shift- ...The Opportunity As the Senior Substation Project... ...QualificationsP.E. License highly preferredExperience... ...projects for investor owned utilities in the United... ...design and optimization, relay protection & control, civil/structural... ...and the B&V Credit Union. Professionals may...UnionSeniorFull timeContract workPart timeWork experience placementLocal areaRelocationHome officeVisa sponsorshipFlexible hours
- ...The OpportunityAs a Senior Electrical... ...Construction (EPC). Develop protection and control design... ...protective relays, panel arrangements... ...experience overseeing utility substation clients... ...ChecksHigh voltage (HV) substation design... ...and the B&V Credit Union. Professionals may...UnionSeniorPart timeWork experience placementFor subcontractorWork at officeVisa sponsorshipFlexible hours
$105.4k - $158.1k
...problem solvers, high achievers, and... ...a Senior Estimator at Stantec... ...infrastructure, protection and control systems... ...supporting municipal, utility, state/... ...medium- and high-voltage systems, protection... ...systems, relay upgrades, SCADA... ...may not apply to union positions because...UnionSeniorHourly payFull timeContract workTemporary workPart timeFor subcontractorCasual workWork at officeWork from home$82.3k - $220k
...processes and data package development, review and release with a high understanding of the follow-on phases to assure successful next... ...related skills, experience, and relevant education or training. Union ranges will be in compliance with the collective bargaining...UnionSeniorFull timeLocal area$82.3k - $220k
...group at Draper is seeking a Senior Test Equipment Development Engineer... ...to promote testability, and utilizes resident expertise and lessons... ...to support the development of highly reliable, robust, and complex... ...education or training. Union ranges will be in compliance with...UnionSeniorFull timeLocal area$134.39k - $165.62k
...Employer: Analog Devices, Inc. Job Title: Senior Engineer, Battery Test EngineeringJob... ...US Citizens, US Permanent Residents, and protected individuals as defined by 8 U.S.C. 1324b(... ...information, military or veteran status, union membership, and political affiliation, or...UnionSeniorPermanent employmentFull timeWork at officeRemote workWork from homeDay shift2 days per week$184.03k - $266.49k
...a world leader in developing high-speed data converters and related... ...capacitor circuits, precision voltage and current references, LDOs.... ..., US Permanent Residents, and protected individuals as defined by 8 U.... ..., military or veteran status, union membership, and political...UnionSeniorPermanent employmentFull timeWork at officeRemote workWork from homeDay shift$120k - $217.5k
SummaryThe Senior Manager, Engineering leads multiple engineering Scrum... ...is responsible for delivering high‑quality, scalable software... ...domestic partnership or civil union status, familial status, military... ..., and other characteristics protected by applicable law.Discover...UnionSeniorFull timeTemporary workFlexible hours$44.63 - $48.65 per hour
...an alert: JOIN OUR TALENT NETWORK Senior Technician (Electronic) Apply now... ...electronic systems and technology for the protection of our Nation's most important space capabilities... ...Active Top Secret Clearance highly desirable Graduation from a two-year...Senior$110k - $188.75k
Summary:The Senior Business Analyst will become a Charles... ...teams, they will utilize business and technical... ...to abstract/summarize highly detailed informationStrong... ...domestic partnership or civil union status, familial status... ...other characteristics protected by applicable law....UnionSeniorFull timeTemporary workWork at officeFlexible hours- ...Senior Maintenance Mechanic Integrated Resources, Inc is a premier... ...on process equipment and utility equipment, such as, bioreactors... ...and serves as a lead technician in providing troubleshooting... ...Education and/or Experience: High School Diploma with twelve (1...SeniorFor contractorsRotating shiftWeekend work
$90k - $157.5k
What we are looking for Senior Consultants in our Wealth Management... ...environment and be focused on providing high-quality service to our clients... ...domestic partnership or civil union status, familial status,... ..., and other characteristics protected by applicable law.Discover...UnionSeniorFull timeTemporary workRemote workFlexible hours$110.39k - $151.81k
...and on LinkedIn and X.Senior Mixed-Signal IC Design... ...world leader in developing high-speed data converters... ...capacitor circuits, precision voltage and current references,... ...Residents, and protected individuals as defined... ...military or veteran status, union membership, and...UnionSeniorPermanent employmentFull timeWork at officeRemote workWork from homeDay shift- ...Job Type : Temporary Union Name: Non Union... ...all times. Maintains a high level awareness of customer... ...Understands and appropriately utilizes all phone features such... ...times. • Accurately relays reports to providers... .... • Wears proper protective equipment for all specimen...UnionHourly payTemporary workLocal areaImmediate startWork from homeFlexible hoursShift workWeekend work
$123.5k - $139.6k
...Overview The Senior Workday Integration Engineer designs, builds... ...across diverse teams to deliver high-impact solutions. Join us to... ..., ancestry, military service, protected veteran status, or other characteristics... ...and qualifications. For union positions, the pay range is...UnionSeniorFull time$107.1k - $160.7k
...communities improve, reuse, and protect our world’s most precious... ...practice is seeking a highly motivated Senior Process Engineer with industrial... ...design professionals and technicians.Mentor and supervise staff... ...listed above may not apply to union positions because benefits...UnionSeniorFull timeContract workTemporary workPart timeFor contractorsCasual workLocal areaFlexible hours$110k - $188.75k
...Analyst. Why is this role important Senior Implementation Business... ...oriented - capable of working in a high-performance global setting... ...domestic partnership or civil union status, familial status, military... ..., and other characteristics protected by applicable law.Discover...UnionSeniorFull timeTemporary workWork experience placementWork at officeFlexible hours$107.1k - $160.7k
...team is to work on projects of high complexity and serve as a... ...systems, lighting systems, and low voltage systems for the built... ...give feedback and suggestions to Senior and Junior Engineers and Designers... ...listed above may not apply to union positions because benefits for...UnionSeniorFull timeTemporary workPart timeFor contractorsFor subcontractorCasual workWork at officeLocal areaFlexible hours$130.93k - $140.23k
...SUMMARY The Technical Senior Project Manager III leads high-profile, matrixed projects... ...DFCI IS leadership while utilizing the PMO’s established... ...ancestry, military service, protected veteran status, or other... ...and qualifications. For union positions, the pay range...UnionSeniorFull time- ...Responsible for efficient and reliable operations of the process and utility systems and equipment within his/her area of responsibility.... ...adherence to safety guidelines and policies Education: High school diploma or equivalent. Demonstrated abilities and/or evidence...SeniorFor contractorsShift work
$128.6k - $192.9k
...communities improve, reuse, and protect our world’s most... ...’re looking for a Senior Project Manager / Technical... ...staff and develop high-performing project teamsPerform... ...); spatial analysis of utility layouts and trench... ...above may not apply to union positions because benefits...UnionSeniorFull timeTemporary workPart timeFor contractorsCasual workWork at officeLocal areaRemote workFlexible hours3 days per week- Burlington Public Schools Burlington High School - Burlington,... ...in Google Maps Science Lab Technician 2026/2027 Job Details Job ID:... ...fumes. All necessary Personal Protective Equipment (PPE) will be provided... ...orientation, marital/civil union status, ancestry, place of birth...UnionFull timeContract workWork at officeWork visa
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!
- walmart technician Bedford, MA
- fisheries technician Bedford, MA
- oilfield technician Bedford, MA
- skilled technician Bedford, MA
- document technician Bedford, MA
- business technician Bedford, MA
- human resources technician Bedford, MA
- traffic control technician Bedford, MA
- airport technician Bedford, MA
- medical screener reception technician Bedford, MA


