Senior Relay Technician - Utility & High-Voltage Protection - Union

Senior Relay TechnicianAt 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 DoLead job briefings and safety tailboards, reinforcing a “Safety First, Always” field culturePerform protective relay testing, calibration, troubleshooting, and commissioning on medium- and high-voltage systemsTest and validate transmission and distribution protection schemes, including:Distance, differential, overcurrent, breaker failure, and bus protectionVerify control and protection circuits for:Power transformersMedium- and high-voltage circuit breakersFeeder relaysCapacitor banks and reactorsSupport outage planning, switching coordination, energization, and restoration activitiesPerform event analysis, relay target review, and disturbance investigationsLead and mentor onsite technicians; coordinate work execution with project managers, system operators, and utility customersCreate and maintain accurate test reports, as-left settings, and field documentationParticipate in job walks, project estimating, and customer technical discussionsServe as a technical resource and trainer for developing relay techniciansTravel 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 Bring5+ years of hands-on experience in protective relaying for utility substationsDemonstrated experience testing medium- to high-voltage (5kV–500kV) protection systemsStrong working knowledge of microprocessor-based relaysExperience with modern relay test platformsSolid understanding of utility safety rules, energized work practices, and lockout/tagout proceduresAbility to interpret:Protection diagramsAC/DC schematicsWiring and logic drawingsValid driver’s license; ability to work outdoors, travel, and lift up to 70 lbsEducation & CredentialsNETA Level III or IV Certification or equivalent experience at a non-NETA company preferred for Senior roles (Candidates at other NETA levels are encouraged to apply for opportunities across the organization)Experience with:Circuit breakersPower transformersSwitchgearRTUs and substation communicationsTechnical degree, apprenticeship, or military electrical trainingOSHA 10 or OSHA 30Valid driver’s license with a clean driving historyWhat We OfferAt 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 oneRetirement plan to help you secure your futureCompany-provided life insurance for added peace of mindSupplemental life insurance options, including spouse and child coverageA variety of voluntary Aflac supplemental insurance programsLong-term disability coveragePre-paid legal planEmployee Assistance Program (EAP) to support personal and professional well-beingPaid time off to recharge and refreshPaid holidaysAccess 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.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 CompanyAs 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 CommitmentAt 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. Asplundh