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

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.

Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Senior Relay Technician - Utility & High-Voltage Protection - Union in Baltimore, MD vacancy
  •  ..., 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... 
    Union
    Senior
    Apprenticeship
    Immediate start

    Asplundh Careers

    Baltimore, MD
    1 day ago
  •  ...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,...  ...Notice For roles that fall within union‑represented territories,... 
    Union
    Senior
    Apprenticeship
    Local area
    Immediate start

    Asplundh Electrical Testing

    Baltimore, MD
    1 day ago
  • $107.1k - $160.7k

     ...professional services firm we are seeking a Senior Fire Protection Engineer to join our growing North...  ...work independently on large projects of high complexity, and as a leader of a team...  ...information listed above may not apply to union positions because benefits for such... 
    Union
    Senior
    Full time
    Temporary work
    Part time
    For contractors
    For subcontractor
    Casual work
    Work at office
    Local area
    Flexible hours

    Stantec

    Baltimore, MD
    2 days ago
  • $34.99 - $39.41 per hour

     ...Description Overview The Diesel Technician maintains diesel equipment,...  ...PM to 11:00PM schedule) in a union shop. Technicians at...  ...of breaks and any other utilities that are part of the vehicle;...  ...successful candidate will have a High School Diploma or GED, must be... 
    Union
    Apprenticeship
    Afternoon shift

    Casella Waste Systems, Inc.

    Baltimore, MD
    17 days ago
  • $93k - $172.5k

     ...Maryland, Canada and Mexico. In the European Union, the company owns and operates sugar...  ...regulatory guidelines and procedures to provide high quality service. Provide specialist...  ..., veteran status or any other category protected under federal, state, or local law.  All... 
    Union
    Senior
    Full time
    Temporary work
    For contractors
    Work experience placement
    Local area
    Relocation package

    Florida Crystals / ASR Group

    Baltimore, MD
    16 hours ago
  • $30 - $40 per hour

     ...exceptional customer service, highly trained employees, and...  ...team as an Experienced Alarm Technician in the Baltimore, MD / Washington...  ...from you. This is a union position, Local 355. Why Join...  ...federal, state or local protected class. Ready to start your... 
    Union
    Weekly pay
    Temporary work
    Local area
    Flexible hours

    Slomin's

    Owings Mills, MD
    23 hours ago
  • $82k - $137k

     ...Senior Internal Auditor Organization: Waters Corporation Requirement...  .... Qualifications Must possess high ethical standards, be self‑...  ...marital status (including civil unions), military service, veteran status...  ..., or any other characteristic protected by law. Waters is proud to be... 
    Union
    Senior
    Local area

    Waters

    Sparks Glencoe, MD
    4 days ago
  • $28 - $50 per hour

     ...constellations of tomorrow, high assurance payloads, and human...  ...Vehicle Integration Technician I-IV Join the Vehicle...  ...disability status, genetics, protected veteran status, sexual orientation...  ...Zealand, Switzerland, the European Union, or a country that is part of... 
    Union
    Permanent employment
    Work at office
    Local area
    Flexible hours
    Shift work
    Weekend work

    Rocket Lab

    Middle River, MD
    3 days ago
  •  ...is seeking a Managing Director Senior Housing Operations in...  ...managing teams and developing high‑performing organizations Financial...  ...seniority, location, performance, union contract and business needs. This...  ..., national origin, age, protected veteran status, or disability... 
    Union
    Senior
    Hourly pay
    Contract work
    Work at office

    Kforce

    Cockeysville, MD
    6 hours ago
  • $83.7k - $150.7k

     ...retention, and workforce planning. Union Experience Required. Will...  ...supported site(s) and advise senior management in appropriate resolution...  .... Proven ability to lead high-functional teams. Ability to travel...  ...disability or any other protected status under federal, state and... 
    Union
    Senior
    Work at office
    Local area

    Lineage

    Baltimore, MD
    3 days ago
  • $41.5k - $69.5k

     ...Maryland, Canada and Mexico. In the European Union, the company owns and operates sugar...  ...interested stakeholders and abides by the Lab's high customer service standards * Performs...  ..., veteranstatusorany other category protected under federal, state, or local law. All employment... 
    Union
    Temporary work
    Work experience placement
    Local area

    American Sugar Refining

    Baltimore, MD
    4 days ago
  •  ...awareness and understanding to protect the U.S. and its global...  ...Calibration Technician to join its Calibration...  ...procedures, and standards to be utilized on new and existing M&...  .... • Capable of using high precision measuring...  .... This is an IUE Union represented position.... 
    Union
    Work experience placement
    Relocation
    Day shift

    Northrop Grumman

    Baltimore, MD
    2 days ago
  • $31.79 - $46.04 per hour

     ...laboratory tests of moderate and high complexity and prepares...  ...Laboratory Specialist (Laboratory Technician) required. Proper...  ...: Regular Employee Group/Union Affiliation: M40|OPEIU|Local...  ...disability, veteran status, or any other protected characteristic or status.
    Union
    Shorter hours
    Work experience placement
    Work at office
    Local area
    Monday to Friday
    Shift work
    Weekend work

    Kaiser Permanente

    Halethorpe, MD
    2 days ago
  • $17.75 - $24 per hour

     ...specimens Minimum Qualifications: ~ High School diploma or GED or equivalent...  ...family or parental status, marital, civil union or domestic partnership status, sexual orientation...  ...information, or any other legally protected characteristic. Additionally, all... 
    Union
    Temporary work
    Casual work
    Internship
    Monday to Friday
    Flexible hours

    Personal Genome Diagnostics

    Linthicum Heights, MD
    3 days ago
  • $22 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 to... 
    Union
    Full time
    For contractors
    Apprenticeship
    Work experience placement
    Local area

    Centuri Group, Inc.

    Baltimore, MD
    2 days ago
  • $17.75 - $24 per hour

     ...specimens  Minimum Qualifications: ~ High School diploma or GED or equivalent...  ...family or parental status, marital, civil union or domestic partnership status, sexual orientation...  ...information, or any other legally protected characteristic. Additionally, all qualified... 
    Union
    Temporary work
    Casual work
    Internship
    Monday to Friday
    Flexible hours

    LabCorp

    Baltimore, MD
    4 days ago
  •  ...Senior Automation Tester Hybrid Software Engineers- SSA • Must work onsite 2 days per...  ...using Cucumber BDD framework • Highly proficient with programming and designing...  ...and we do not discriminate based on any protected attribute including race, religion, color... 
    Senior
    Contract work
    Local area
    2 days per week

    InterSources

    Windsor Mill, MD
    5 hours ago
  • $119k - $136k

     ...mega constellations of tomorrow, high assurance payloads, and human...  ...is your opportunity! SENIOR MARINE ENGINEER The...  ...disability status, genetics, protected veteran status, sexual orientation...  ...Zealand, Switzerland, the European Union, or a country that is part of... 
    Union
    Senior
    Permanent employment
    Work experience placement
    Local area
    Remote work
    Flexible hours

    Rocket Lab

    Middle River, MD
    4 days ago
  • $115k - $200k

     ...constellations of tomorrow, high assurance payloads...  ...opportunity! SENIOR VEHICLE...  ...and highly skilled technicians on daily routine...  ...in developing and utilizing comprehensive work...  ...status, genetics, protected veteran status, sexual...  ...Switzerland, the European Union, or a country that... 
    Union
    Senior
    Permanent employment
    Local area
    Flexible hours

    Rocket Lab

    Middle River, MD
    4 days ago
  • $200k - $270k

    Senior Project Executive - Sports Job Locations US-MD-Baltimore US...  ...you consider yourself to be a highly technical, strong communicator...  ...skills every day. You will protect and promote the interests of both...  ...with owners, subcontractors, unions, etc. Assumes overall accountability... 
    Union
    Senior
    Contract work
    For contractors
    For subcontractor
    Local area

    Gilbane Building Company

    Baltimore, MD
    3 days ago
  • $102k - $135k

     ...mega constellations of tomorrow, high assurance payloads, and human...  ...this is your opportunity! SENIOR FACILITIES ENGINEER I As...  ...disability status, genetics, protected veteran status, sexual orientation...  ..., Switzerland, the European Union, or a country that is part of... 
    Union
    Senior
    Permanent employment
    Local area
    Flexible hours

    Rocket Lab

    Middle River, MD
    23 hours ago
  • $145k - $260k

     ...Overview Gilbane is seeking Senior General Superintendents for...  ...sharing lessons learned. You build high performing teams by attracting...  ...skills every day. You will protect and promote the interests of...  ...among owners, trade contractors, unions, and other project partners by... 
    Union
    Senior
    Contract work
    For contractors
    For subcontractor
    Work at office
    Local area
    Relocation
    Flexible hours

    Gilbane Building Company

    Baltimore, MD
    2 days ago
  • $35 - $55 per hour

     ...About the Role: As a Senior Calibration Technician, you’ll play a key role in supporting...  ...RODI Systems, WFI Systems, Utility Systems, and Fermenters....  ...fit if you have: High school diploma or equivalent...  ...disability status, genetics, protected veteran status, sexual orientation... 
    Senior
    Hourly pay
    Temporary work
    Local area
    Flexible hours

    Tai Corp

    Linthicum Heights, MD
    2 days ago
  • $73.45k - $132.78k

     ...Description Leidos is seeking a Senior Transmission Line...  ...line design projects for high-voltage overhead and underground systems...  ...for some of the largest utilities in the country. These employees...  ...Wellness programs, Income Protection, Paid Leave and Retirement.... 
    Senior
    Work at office
    Local area
    Immediate start
    Remote work
    Relocation
    Relocation package

    Leidos

    Baltimore, MD
    3 days ago
  •  ...Senior Audit Manager We are seeking a highly skilled Senior Audit Manager to lead complex assurance engagements for our diverse client base in the Greater...  ...Employee Benefit Plans (including 401(k), 403(b), and union plans), ensuring strict compliance with ERISA and GAAP... 
    Union
    Senior

    HANDWERGER, CARDEGNA, FUNKHOUSER & LURMAN, P.A.

    Lutherville Timonium, MD
    23 hours ago
  •  ...Must be able to lift 50 pounds. Operations Technician Role Type Part-time Requirements...  ...while maintaining a positive attitude in high pressure situations A strong attention to...  ...television systems and equipment This is an IBEW Union position and requires union membership.... 
    Union
    Part time
    Weekend work
    Afternoon shift
    Early shift

    The Film Market

    Baltimore, MD
    3 days ago
  • $135.8k - $203.6k

     ...BaPs) division is seeking a Senior Principal Systems...  ...Serve as liaison between union technicians and supported program. Frequent...  ...paced work environment with high expectations, significantly...  ...status, disability, or any other protected class. For our complete EEO... 
    Union
    Senior
    Contract work
    Relocation package
    Shift work

    Northrop Grumman

    Baltimore, MD
    1 day ago
  • $110.2k - $176.4k

     ...possibilities. Job Description The Senior Statistical Programmer is...  ...counseling Baxter Credit Union (BCU) Daily Pay College financial...  ...status, and other legally protected characteristics. Required Skills...  ...to attracting and retaining high quality talent by providing... 
    Union
    Senior
    Hourly pay
    Daily paid
    Temporary work
    Work at office
    Remote work
    Flexible hours
    Shift work

    Becton Dickinson & Company

    Hunt Valley, MD
    1 day ago
  •  ...career, join the Army National Guard as a Utilities Equipment Repairer and help keep...  ...National Guard Must be at least a junior in high school, or have a high school diploma or...  ...electric motor power tool powerhouse substation relay equipment installers motor vehicles... 
    Part time
    Self employment
    Weekend work

    National Guard OMD

    Baltimore, MD
    7 days ago
  •  ...Responsibilities Kforce has a client that is seeking a Senior Accountant in Hunt Valley, MD. The Senior...  ..., 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

    Kforce

    Cockeysville, MD
    2 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!