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 4 days ago
Similar jobs that could be interesting for youBased on the Senior Relay Technician - Utility & High-Voltage Protection - Union in Baltimore, MD vacancy
  •  ...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
    3 days ago
  •  ...Senior Machine Repairer At Northrop Grumman, our employees have incredible...  ...awareness and understanding to protect the U.S. and its global allies....  ...condition. This is an IBEW Union Represented Position Education Requirement: ~ High School graduate or recognized... 
    Union
    Senior
    For contractors
    Work experience placement

    Northrop Grumman

    Baltimore, MD
    2 days 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
    4 days ago
  •  ...a focus on regulated, high-volume testing environments...  ...Summary: The Senior Clinical Research Associate...  ...Collaboration Utilize and maintain accurate...  ...marital or domestic or civil union status, familial status...  ..., and other legally protected characteristics.... 
    Union
    Senior
    Hourly pay
    Contract work
    Remote work
    Worldwide
    Shift work

    Becton , Dickinson and Company

    Sparks Glencoe, MD
    3 days ago
  • $44.69 - $55.61 per hour

     ...CHVAC Americas Senior Controls Technician Be a part of our mission...  ...-up of HVAC systems, utilizing knowledge of air conditioning...  ...you will bring: A High School Diploma or...  ...requirements, and union designation. Our...  ...disability, status as a protected veteran, or any legally... 
    Union
    Senior
    Hourly pay
    For contractors
    For subcontractor
    Work at office
    Local area
    Work from home
    Night shift
    Weekend work

    Trane Technologies

    Towson, MD
    1 day ago
  • $35 - $40 per hour

     ...constellations of tomorrow, high assurance payloads, and...  ...Vehicle Integration Technician Join the Vehicle...  ...wiring harnesses, and high voltage batteries onto Neutron...  ...disability status, genetics, protected veteran status, sexual...  ..., the European Union, or a country that is part... 
    Union
    Permanent employment
    Full time
    Work at office
    Local area
    Flexible hours

    Rocket Lab USA

    Middle River, MD
    2 days ago
  • $27.9 - $44.6 per hour

     ...focus on regulated, high-volume testing...  ...possible with us. Technician 2 Job Overview...  ...equipment utilization. Identifies,...  ...instrumentation, ladder logic, relay logic, vfd, servo...  ...domestic or civil union status, familial...  ...and other legally protected characteristics.... 
    Union
    Hourly pay
    For contractors
    Work at office
    Remote work
    Worldwide
    Flexible hours
    Shift work

    Becton Dickinson & Company

    Sparks Glencoe, MD
    15 hours ago
  • $125k - $165k

     ...at the forefront of power system protection and reliability. We are seeking...  ...to work on complex, highimpact utility projects using stateoftheart protective relaying, communications, and substation...  ...technologies, while collaborating with highly skilled engineers and utility... 
    Senior
    Full time
    Part time

    EN Engineering

    Linthicum Heights, MD
    3 days ago
  • $26.25 per hour

     ...office specializes in low voltage cabling to support...  ...Foreman or Team Lead, the Technician provides leadership and...  ...productivity, ensuring high quality workmanship,...  .... Henkels & McCoy is a Union Employer. Benefits include...  ...Minorities, Females, Protected Veterans, and Individual... 
    Union
    Hourly pay
    Temporary work
    Work at office
    Local area
    Relocation
    Shift work

    MasTec

    Baltimore, MD
    3 days ago
  • $125k - $160k

    GFT is seeking a highly qualified Senior Substation Estimator / Cost...  ...major electric utility transmission and substation...  ...estimating high-voltage transmission and substation...  ..., electrical, relay, and commissioning work...  ...other characteristics protected by law.Unsolicited resumes... 
    Senior
    Full time
    Contract work
    For contractors
    For subcontractor
    Remote work

    Gannett Fleming

    Baltimore, MD
    1 day ago
  • $160k - $200k

     ...Transdev’s purpose and values, the Senior Labor Counsel serves as a key...  ...of the Company. This high-impact, business-facing role focuses...  ...management on complex union-related issues and labor strategy...  ...orientation, religion or other legally protected status, or any other... 
    Union
    Senior
    Full time
    Contract work
    Temporary work
    Local area
    Remote work

    Transdev

    Baltimore, MD
    4 days ago
  • $200k - $270k

     ...you consider yourself to be a highly technical, strong communicator...  ...projects? Gilbane is seeking a Senior Project Executive - Sports to...  ...industry skills every day. You will protect and promote the interests of...  ...with owners, subcontractors, unions, etc.Assumes overall... 
    Union
    Senior
    Contract work
    For contractors
    For subcontractor
    Local area

    Gilbane Building Company

    Baltimore, MD
    1 day 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
    2 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
    15 hours ago
  • $91.41k - $102.83k

     ...currently the civil engineer of record for such high-profile projects as Harborplace and...  .... Gain hands-on experience in grading, utilities, stormwater management, and permitting....  ...skills with mentorship and support from senior engineers and project managers. Key Responsibilities... 
    Senior
    Work at office
    Flexible hours

    STV, Inc.

    Owings Mills, MD
    1 day ago
  • $134.1k - $214.5k

     ...The Senior Manager EHS (Sr Mgr EHS) will be responsible for developing...  ...) or equivalent certification highly desirable. Thorough knowledge...  ...marital or domestic or civil union status, familial status,...  ...veteran status, and other legally protected characteristics. Salary Range:... 
    Union
    Senior
    Local area

    BD

    Cockeysville, MD
    2 days ago
  • $17.75 - $23 per hour

     ...inventory Minimum Qualifications: ~ High School Diploma 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
    Hourly pay
    Temporary work
    Casual work
    Internship
    Monday to Friday
    Flexible hours
    Shift work

    LabCorp

    Baltimore, MD
    2 days ago
  • $17.75 - $23 per hour

     ...inventory Minimum Qualifications: ~ High School Diploma 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
    Hourly pay
    Temporary work
    Casual work
    Internship
    Monday to Friday
    Flexible hours
    Shift work

    Personal Genome Diagnostics

    Baltimore, MD
    3 days ago
  • $148k - $191k

    OverviewAre you looking for a highly rewarding opportunity that provides...  ...? Gilbane is seeking a Senior MEP Superintendent to be responsible...  ...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
    Flexible hours

    Gilbane Building Company

    Baltimore, MD
    2 days ago
  • $82k

     ...Senior Internal Auditor Req. # 27022 Job Family...  ...Qualifications Must possess high ethical standards, be self-motivated...  ...status (including civil unions), military service, veteran status...  ..., or any other characteristic protected by law. Waters is proud to be... 
    Union
    Senior
    Local area
    Worldwide

    Waters

    Sparks Glencoe, MD
    4 days ago
  • $17.75 - $23 per hour

     ...inventory Minimum Qualifications: ~ High School Diploma or equivalent Preferred...  ...or parental status, marital, civil union or domestic partnership status, sexual orientation...  ...information, or any other legally protected characteristic. Additionally, all qualified... 
    Union
    Hourly pay
    Temporary work
    Casual work
    Internship
    Monday to Friday
    Flexible hours
    Shift work

    LabCorp

    Baltimore, MD
    3 days ago
  • $168k - $217k

     ...Responsibilities: Lead development of high-performance teams through...  ...labor agreements, if in union environment. Develop and...  ...Meetings (ORM). Support and drive utilization of various company...  ...origin, disability, status as a protected veteran, or other characteristics... 
    Union
    Senior
    Permanent employment
    Contract work
    Temporary work
    Work at office
    Flexible hours

    Turner Construction Company

    Baltimore, MD
    2 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...  ..., veteran status or any other category protected under federal, state, or local law.  All... 
    Union
    Temporary work
    Work experience placement
    Local area

    Florida Crystals

    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
    a month ago
  •  ...-thinking Maintenance Technicians to join our growing team...  ...Your expertise willbe utilized in the optimization...  ..., maintain, and solve relay logic, ladder diagrams...  ...or in the future. ~ High school diploma or general...  ..., or any other basis protected by applicable law.... 
    Senior
    Hourly pay
    Work at office
    Visa sponsorship

    CBRE

    Sparrows Point, MD
    15 hours ago
  • $31.27 - $42.14 per hour

     ...stays. What You Will Bring A High School Diploma or equivalent...  ...depend on elements such as seniority, merit, geographic location,...  ...experience, travel requirements, and union designation. Our compensation...  ..., disability, status as a protected veteran, or any legally... 
    Union
    Hourly pay
    Work at office
    Local area
    Work from home
    Night shift

    Trane Technologies

    Towson, MD
    1 day ago
  • $83.1k - $133k

     ...Senior EHS Specialist The Senior EHS Specialist will be responsible...  ...Materials Manager) are highly desirable. Ability to work...  ...marital or domestic or civil union status, familial status, affectional...  ...veteran status, and other legally protected characteristics. Salary... 
    Union
    Senior
    Work at office
    Local area
    Remote work

    Becton Dickinson

    Sparks Glencoe, MD
    3 days ago
  • $200k - $270k

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

    Gilbane Building Company

    Baltimore, MD
    2 days ago
  • $151.32k - $153.4k

     ...and service. With a focus on regulated, high-volume testing environments, Waters’ innovative...  ...status, marital or domestic or civil union status, familial status, affectional or...  ...eligibility or veteran status, or any other protected status. Why Join Us? To find purpose... 
    Union
    Senior
    Hourly pay
    Worldwide
    Shift work

    Becton , Dickinson and Company

    Hunt Valley, MD
    3 days ago
  • $32.15 - $37.32 per hour

     ...related work experience. High School diploma or...  ...status, or any other status protected by federal, state, or local law. Apply Seniority level Seniority level...  ...Based Chiller Mechanic (union) Cockeysville, MD $17.0...  ...1 day ago HVAC Service Technician - MUST Have HVAC Journeyman... 
    Union
    Full time
    Work experience placement
    Local area
    Shift work
    Day shift

    Johns Hopkins Hospital

    Baltimore, 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!