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.
- 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
- 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
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.
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.
- ...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
$30 - $39 per hour
...that keep the world connected protected expand humanitys reach to... ...constellations of tomorrow high assurance payloads and... ...this is your opportunity! SENIOR AEROSPACE TECHNICIAN TRAINER The Senior Aerospace... ...Switzerland the European Union or a country that is part of...UnionSeniorHourly payPermanent employmentWork at officeLocal areaFlexible hoursWeekend work$51.96 - $70.32 per hour
...perform your tasks you will utilize your knowledge of air... ...you will bring: A High School Diploma or... ...depend on elements such as seniority, merit, geographic location... ...requirements, and union designation. Our compensation... ..., status as a protected veteran, or any legally...UnionSeniorHourly payWork at officeLocal areaWork from homeNight shift- ...Senior Field Service Technician Power your future with Qualus... ...low and medium-voltage circuit breakers... ...capabilities for testing relays, circuit... ...distribution and related protection and control... .... Education: High School Diploma... ...partners with utilities, commercial, industrial...SeniorTemporary workWork at officeFlexible hours
$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...SeniorFull timePart time$33 - $62.96 per hour
...outdoors and a desire to protect it for future... ...for an experienced, high-level Senior Field Service Technician who will serve as a... ...& Methodologies: Utilize specialized diagnostic... ...electrical, high-voltage, and network faults... ..., and the European Union and in the cloud,...UnionSeniorHourly payFull timeContract workTemporary workPart timeLocal areaRemote workShift workNight shiftDay shiftAfternoon shiftEarly shift- ...Shasta Beverages, Inc. in Baltimore, MD seeks a Journeyman-level technician to repair and maintain production and facility equipment,... ...hydraulic schematics, and performing safe, compliant maintenance on high-speed line equipment; candidates should be able to work 12-hour...SeniorShift workAfternoon shift
$27.9 - $44.6 per hour
...focus on regulated, high-volume testing... ...increase equipment utilization. Identifies,... ...Electrical / Electronics Technician, Electromechanical... ..., ladder logic, relay logic, vfd, servo... ...domestic or civil union status, familial... ...and other legally protected characteristics....UnionHourly payFor contractorsWorldwideFlexible hoursShift workNight shift$26 per hour
...of general maintenance jobs (including high voltage motors), which may include specialized or... ...constructing wood forms, shipping boxes, protective sheds, staging platforms, flooring... ...The university will notify the employees' union. Classified Title: BU Maintenance Mechanic...UnionHourly payFull timeWork at office$84k - $123k
...Senior Field Service Representative Eaton's ES... ...team of field services technicians and engineers in the... ...technicians Utilize digital tools for remote... ...and low, medium, and high voltage power distribution equipment... ...analysis as well as protective relays NICET/NETA...SeniorFor contractorsH1bRemote workRelocationVisa sponsorshipNight shift$71.8k - $104.1k
.... Stantec is seeking Senior Construction Inspectors (or Transportation Engineering Technicians of varying levels) to be a part... ...Charge Engineer to utilize when making changes to the project... ...listed above may not apply to union positions because benefits for...UnionSeniorFull timeContract workTemporary workPart timeFor contractorsCasual workLocal areaFlexible hours$36 - $50 per hour
...keep the world connected, protected, expand humanity's... ...the safe, reliable, and high-performance environments... .... MASTER FACILITIES TECHNICIAN As the onsite Master... ...needed. Plumbing and utility support: Assist with... ...Switzerland, the European Union, or a country that is...UnionPermanent employmentWork at officeLocal areaFlexible hoursShift work$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...UnionSeniorContract workTemporary workLocal areaRemote work- ...commitment to safety and quality, we create high‑performing spaces that support the future... ...personnel, including interactions with unions Implement emergency crisis procedures... ...disability status, genetic information, protected veteran status, or any other legally protected...UnionSeniorFull timeContract workFor contractorsWork at officeLocal areaRelocation
$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...UnionWeekly payTemporary workLocal areaFlexible hours$149.6k - $239.4k
...service. With a focus on regulated, high-volume testing environments,... .... Job Description The Senior Manager, Quality Engineering... ...marital or domestic or civil union status, familial status, affectional... ...status, and other legally protected characteristics. Required...UnionSeniorHourly payWorldwideWork visaShift work- ...SENIOR ACCOUNTANT (Remote - East Coast) Our client is seeking... ...comfortable working in a fast-paced, high-growth environment. Candidates... ..., status as a veteran, union membership, ethnicity, gender,... ...political affiliation, or any other protected characteristics as required by...UnionSeniorWork at officeLocal areaRemote work
$45 - $55 per hour
...that keep the world connected, protected, expand humanity's reach to... ...mega constellations of tomorrow, high assurance payloads, and human... ...this is your opportunity! SENIOR CNC MACHINIST/PROGRAMMER Based... ..., Switzerland, the European Union, or a country that is part of...UnionSeniorPermanent employmentLocal areaFlexible hoursShift workWeekend work$17.75 - $24 per hour
...problem specimensMinimum Qualifications:High School diploma or GED or equivalentPreferred... ...or parental status, marital, civil union or domestic partnership status, sexual orientation... ...information, or any other legally protected characteristic. Additionally, all qualified...UnionTemporary workCasual workInternshipMonday to FridayFlexible hoursShift work$28 - $50 per hour
...that keep the world connected, protected, expand humanity's reach to... ...constellations of tomorrow, high assurance payloads, and human... ...opportunity! Vehicle Integration Technician I-IV Join the Vehicle... ...Zealand, Switzerland, the European Union, or a country that is part of...UnionPermanent employmentWork at officeLocal areaShift workWeekend work$34.59 per hour
...future. In addition to highly competitive salaries,... ...undesirable conditions, and utilizing the corrective action... ...in maintenance technician training.MINIMUM QUALIFICATIONSAssociates... ....Maintain Radiation Protection Qualification and... ...trade union experience (millwright...UnionShift workWeekend work$134.1k - $214.5k
...Senior Manager EHS The Senior Manager EHS will be responsible for... ...) or equivalent certification highly desirable. Thorough... ...marital or domestic or civil union status, familial status, affectional... ...veteran status, and other legally protected characteristics. Salary...UnionSeniorWork at officeLocal areaRemote work$60.06k - $105.11k
...dynamic Instrumentation Technician to carry out the... ...electronics equipment in the Utilities Division of the Department... ...and installs 0-480 voltage electrical equipment.... ...Education and Experience: High school diploma or an... ...of 4-20Madc and basic relay operation. Ability...Extra incomeFull timeTemporary workWork experience placementWork at officeRemote workTrial periodFlexible hours$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...UnionTemporary workWork experience placementLocal area$35 - $50 per hour
...Field Technician II Electric Power Systems (EPS... ...across Data Centers, Utility, Generation, Renewables... ...use of personal protective equipment (PPE) while... ...Perform testing of high, medium, and low voltage electrical equipment... ...with engineers and senior technicians to complete...Hourly pay$45 - $60 per hour
...Field Technician III Electric Power Systems (EPS) is a NETA... ...clients across Data Centers, Utility, Generation, Renewables,... ...inspection, and maintenance of high, medium, and low voltage electrical equipment.... ...any other characteristics protected by state or federal laws....Hourly pay$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...UnionSeniorLocal areaWorldwide$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...UnionSeniorContract workFor contractorsFor subcontractorWork at officeLocal areaFlexible hours$17.75 - $24 per hour
...problem specimensMinimum Qualifications:High School diploma or GED or equivalentPreferred... ...or parental status, marital, civil union or domestic partnership status, sexual orientation... ...information, or any other legally protected characteristic. Additionally, all qualified...UnionTemporary workCasual workInternshipMonday to FridayFlexible hours$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...UnionSeniorPermanent employmentContract workTemporary workWork at officeFlexible hours
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!
- transport technician Baltimore, MD
- ski technician Baltimore, MD
- forklift technician Baltimore, MD
- helpdesk technician ii Baltimore, MD
- walmart technician Baltimore, MD
- medical screener reception technician Baltimore, MD
- eligibility technician Baltimore, MD
- color technician Baltimore, MD
- receiving technician Baltimore, MD
- qa technician Baltimore, MD






