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 3 days ago
Similar jobs that could be interesting for youBased on the Senior Relay Technician - Utility & High-Voltage Protection - Union in Worcester, MA vacancy
  •  ...field culture Perform protective relay testing, calibration,...  ...on medium‑ and high‑voltage systems Test and validate...  ...Lead and mentor onsite technicians; coordinate work...  ...system operators, and utility customers Create and...  ...Certification preferred for Senior roles (Candidates at... 
    Union
    Senior
    Apprenticeship

    Asplundh Electrical Testing

    Worcester, MA
    2 days ago
  •  ...qualified individual to lead protective relay testing and commissioning for medium- and high-voltage systems in Worcester, Massachusetts...  ...of hands-on experience with utility substations, a valid driver's...  ...culture while developing future relay technicians. #J-18808-Ljbffr... 
    Senior

    Asplundh Electrical Testing

    Worcester, MA
    2 days ago
  • $20 - $21 per hour

     ...support; bereavement leave; 401(k) Associate contributions; credit union; cell phone discounts. Also, those who meet certain service or...  ..., or based on any individual's status in any group or class protected by applicable federal, state, or local law. TJX also provides reasonable... 
    Union
    Hourly pay
    Local area
    Home office

    TJX

    Worcester, MA
    3 days ago
  • $23 - $49.65 per hour

     ...2116 Endoscopy Suite Union: UFCW (United Food and...  ...ensuring proper airway protection via oral suctioning during...  ...procedures; utilizes specimen retrieval instruments...  ...: Equivalent to high school plus additional...  ...: Surgical instrument technician or central sterile technician... 
    Union
    Relocation package
    Monday to Friday
    Flexible hours
    Shift work
    Day shift

    U Mass Memorial Health

    Worcester, MA
    1 day ago
  • $47.24 per hour

     ...Assessment test. Must have High School Diploma or...  ...the Automotive/truck Technician 3rd Class. Which would...  ...Company has with a local union. Newly hired employees...  ...union. National Grid utilizes an assessment that...  ...with disabilities and protected veterans to join the National... 
    Union
    Local area

    National Grid USA

    Worcester, MA
    1 day ago
  • $88k - $95k

     ...Senior Account Manager Confidential Opportunity | Middlesex County, MA  We are seeking a highly motivated and experienced Senior Account Manager...  ...disability, status as a protected veteran, or any other applicable...  .... Benefits may be different for union members.... 
    Union
    Senior
    Local area
    Monday to Friday

    Securitas

    Worcester, MA
    1 day ago
  • $37 - $43 per hour

     ...in North America! Are you a Technician/Mechanic with diesel, agricultural...  ...through the local Union Competitive wages Company...  ...tools A positive attitude and high energy A clean driving record...  ...in any other classification protected under applicable law. If you... 
    Union
    Full time
    Local area
    Immediate start
    Relocation package

    Alta Equipment

    Worcester, MA
    4 days ago
  • $47.24 per hour

     ...safety and compliance with regulations. Candidates must possess a high school diploma and pass specific qualifications, demonstrating...  ...ability to operate diagnostic tools. This position offers an hourly salary of $47.24 and is subject to union guidelines. #J-18808-Ljbffr... 
    Union
    Hourly pay

    National Grid USA

    Worcester, MA
    1 day ago
  •  ...Category/Area of Expertise: Asset Protection Job Requisition: 538575 Address: USA...  ...all investigation related information High S Stop & Shop is an equal opportunity...  ...religion, age, marital status (including civil unions), military service, veteran status,... 
    Union
    Local area

    Stop & Shop

    Worcester, MA
    4 days ago
  • $28 - $43 per hour

     ...as a Forklift Field Service Technician / Mechanic Come work for the...  ...provided by the local union Competitive wages Our...  ...forklift repair experience is highly desired, which includes experience...  ...in any other classification protected under applicable law. If you... 
    Union
    Hourly pay
    Price work
    Full time
    Local area
    Immediate start
    Day shift

    Alta Equipment Group

    Shrewsbury, MA
    3 days ago
  • $16.73 - $25.43 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... 
    Union
    Daily paid
    Full time
    Temporary work
    Work experience placement
    Local area
    Monday to Friday
    Flexible hours
    Shift work
    Rotating shift
    Afternoon shift

    Agiliti Health, Inc.

    Worcester, MA
    1 day ago
  • $25 - $30 per hour

     ...As a Mechanic Tech in our high production mechanic shop, you...  ...tests and verify performance, utilize electrical schematics, identify...  ...concerns. Use continuity testing, voltage drop, amp draw, short circuit...  ...or physical disability, protected veteran status, or genetic information... 
    Hourly pay

    ADESA

    Worcester, MA
    4 days ago
  • We are seeking a highly skilled Senior Data Protection Engineer to join our IT Security organization in Worcester, MA or in a remote capacity.POSITION SUMMARY:In this role, you will provide subject matter expertise on complex initiatives and be responsible for building,... 
    Senior
    Permanent employment
    Full time
    Remote work

    The Hanover Insurance Group

    Worcester, MA
    3 days ago
  • $28 - $43 per hour

     ...‑time Forklift Field Service Technician / Mechanic - Wilmington, MA....  ...package provided by the local union Competitive wages Primary Responsibilities...  ...repair experience is highly desired, including military,...  ...or any other classification protected under applicable law. If you... 
    Union
    Hourly pay
    Full time
    Local area
    Immediate start
    Monday to Friday
    Day shift

    Yitaltg

    Shrewsbury, MA
    5 days ago
  • $20 - $25 per hour

     ...support; bereavement leave; 401(k) Associate contributions; credit union; cell phone discounts. Also, those who meet certain service or...  ..., or based on any individual's status in any group or class protected by applicable federal, state, or local law. TJX also provides reasonable... 
    Union
    Hourly pay
    Local area

    TJX

    Worcester, MA
    15 hours ago
  •  ...Floating Maintenance Technician The Floating Maintenance Technician provides maintenance...  ...Responsibilities Travel between assigned properties, Union House (Framingham, MA) and Ashford...  ...support as required Requirements High school diploma or equivalent required... 
    Union
    Monday to Friday

    Jones Street Residential

    Shrewsbury, MA
    4 days ago
  •  ...skilled and experienced Automotive Technician (Mid-Level to Senior) to join our service team. In this role...  ...a variety of vehicles with a high level of accuracy and efficiency. As...  ...designated area and make sure that all protective items are removed from the car Consideration... 
    Senior
    Local area
    Immediate start
    Relocation package
    Monday to Friday

    Patrick Motor Group, LLC

    Auburn, MA
    13 days ago
  • $30 - $40 per hour

     ...Senior Maintenance TechnicianFacility Management Corporation, known...  ...formed in 1992 to deliver high quality ice sport facility management...  ....The Senior Maintenance Technician is responsible for the safe...  ...Supervisors regarding overtime utilization, parts purchasing procedures,... 
    Senior
    Full time
    Work experience placement
    Flexible hours
    Shift work

    Facility Management Inc.

    Worcester, MA
    2 days ago
  • $41.6k - $66.39k

     ...10020 - 2110 Operating Room Union: UFCW (United Food and Commercial...  ...Required: 1. Minimum of a high school education or GED. 2....  ...and concise manner. 2. Must utilize proper safety techniques and...  ...national origin, disability or protected veteran status. We’re... 
    Union
    Full time
    Immediate start
    Relocation package
    Monday to Friday
    Shift work
    Weekend work
    Day shift

    UMass Memorial Health

    Worcester, MA
    2 days ago
  • Responsibilities Kforce has a client that is seeking a Senior Cost Accountant in Auburn, MA. Summary:...  ..., seniority, location, performance, union contract and business needs. This range...  ..., gender identity, national origin, age, protected veteran status, or disability status. #J... 
    Union
    Senior
    Hourly pay
    Contract work
    Weekend work

    Kforce Inc

    Auburn, MA
    4 days ago
  • $92.3k - $166.85k

     ...Description Substation Senior Civil/Structural Engineer...  ...publicly- and privately-owned utilities, financial institutions and local...  ...mentorship, and exposure to diverse, high-impact projects. Together, we...  ...Wellness programs, Income Protection, Paid Leave and Retirement.... 
    Senior
    Work at office
    Local area
    Immediate start
    Remote work

    Leidos

    Worcester, MA
    5 days ago
  • $25 - $27 per hour

     ...Service Technician This position performs technical and mechanical work that ensures the...  ...Benefits offered for full-time employees. For Union and Prevailing Wage roles, compensation...  ...status, or any other characteristic protected by applicable law. Important Notice:... 
    Union
    Hourly pay
    Full time
    For contractors
    Local area
    Immediate start
    Flexible hours
    Weekend work
    Afternoon shift

    Greystar

    Worcester, MA
    4 days ago
  • $4,000 - $6,000 per month

     ...Fortune 500. As an Experienced Auto Technician, you will perform a full range of automotive...  ...state of the art tools in one of our high-tech Inspection Centers (click here to learn...  ...non-slip shoes, gloves, mask, and other protective garments and equipment About Carvana... 
    Hourly pay
    Monday to Friday
    Day shift

    Carvana

    Worcester, MA
    1 day ago
  • $31.93 - $39.76 per hour

     ..., drawing on knowledge that includes low voltage electrical, hydraulics, carpentry, fabrication...  ...maintain well functioning equipment. High school diploma or general education...  ...Paid Parental Leave Retirement and Protection - Helping to make the future life you want... 
    Hourly pay
    Temporary work
    Apprenticeship
    Work experience placement
    Local area
    Remote work
    Flexible hours
    Shift work
    Day shift
    Afternoon shift

    Saint-Gobain

    Worcester, MA
    5 days ago
  • $72.65k - $105k

     ...help shape a brighter way forward. Utility Maintenance Mechanic - JLL What this...  ...areas. Required Qualifications: High school diploma or equivalent Minimum...  ...services. We take our responsibility to protect the personal information provided to us... 
    Hourly pay
    Daily paid
    For contractors
    Local area
    Monday to Friday
    Flexible hours
    Afternoon shift

    JLL

    Westborough, MA
    3 days ago
  • $35.54 - $37.54 per hour

     ...training for all eligible employees. As a highly successful national company, we are...  ...a Road Mechanic. This Road mechanic/technician role performs preventive maintenance, perform...  .../Female/Disabled/Veteran and any other protected class. Pay Range: $35.54 - $37.54... 
    Union
    Hourly pay
    Full time
    Temporary work
    Remote work
    Flexible hours

    Sunbelt Rentals

    Shrewsbury, MA
    4 days ago
  •  ...Floating Maintenance TechnicianThe Floating Maintenance Technician provides maintenance and repair support across multiple apartment communities...  ...properties.ResponsibilitiesTravel between assigned properties, Union House (Framingham, MA) and Ashford Crossing (Shrewsbury, MA), 5... 
    Union

    Jones Street Residential

    Shrewsbury, MA
    2 days ago
  • $29 - $37 per hour

     ...there are some basic requirements we want to share with you. High School Diploma or GED equivalent Experience using computers...  ...face shield or goggles, non-slip shoes, gloves, mask, and other protective garments and equipment. Ability to maintain high volume and... 
    Hourly pay
    Full time
    Weekend work
    Afternoon shift

    Carvana

    Worcester, MA
    25 days ago
  •  .... Our state-of-the-art service department is staffed with highly skilled technicians and equipped with the latest tools and technologies. As a...  ...disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws... 
    Local area

    The Harr Motor Group

    Worcester, MA
    2 days ago
  • $21.25 per hour

     ...experience in our service centers! It doesn't matter if you're a recent high-school grad, a well-seasoned professional looking for a change,...  ...-level position ~ Safety Shoes, Uniforms & Personal Protective Equipment (PPE) Tuition Reimbursement Employee... 
    Hourly pay
    Full time
    Part time
    Flexible hours
    Afternoon shift

    Henley

    Worcester, MA
    3 days 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!