Test Technician - Union - Medium/High Voltage

Description Test Technician – Medium/High Voltage At Asplundh Electrical Testing (AET), we power reliability across critical infrastructure—and our technicians are at the heart of that mission. We value professionals who come from hands-on, mission-critical electrical environments and bring a strong commitment to safety, ownership, and problem-solving. If you have experience working on complex electrical systems and thrive under pressure, this is a role where your skills directly translate.

Join us and be part of a team known for safety, quality, and technical excellence. Key Responsibilities

• Apparatus Testing & Maintenance

• Perform field testing and inspection of circuit breakers, power transformers, instrument transformers (CTs/PTs), switchgear, cables, and bus systems

• Conduct electrical tests including:

• Insulation resistance (Megger)

• Power factor / Doble testing

• Transformer turns ratio (TTR)

• Winding resistance

• Contact resistance

• Breaker timing and mechanical inspections

• Assist with commissioning, troubleshooting, and maintenance of substation equipment up to HV levels

• Relay Testing Support

• Assist with basic protective relay testing and functional verification during commissioning and maintenance activities

• Support relay-related work using standard industry test sets such as:

• Omicron CMC

• Doble test equipment

• Megger relay test tools

• Help perform simple relay checks and system verification, such as:

• Functional checks of protection schemes

• Verification of wiring, inputs/outputs, and control logic

• Participate in end-to-end or system-level testing activities under supervision, without responsibility for advanced relay programming or settings development

General Field Responsibilities

• Interpret single-line diagrams, wiring schematics, and equipment drawings
• Troubleshoot electrical equipment issues and assist in root cause analysis
• Accurately document test results and prepare field service reports
• Ensure compliance with NETA standards, safety regulations, and company procedures
• Travel to client sites and work in outdoor substation environments

Qualifications

• Required

• 2–5+ years of experience in electrical testing, substation maintenance, or field service

• Hands-on experience with medium- and high-voltage apparatus testing

• Familiarity with common test equipment such as:

• Megger

• Doble

• Vanguard or similar

• Basic understanding of protective relays and control circuits (exposure, not specialization)

• Ability to read and interpret electrical drawings and schematics

• Valid driver’s license and willingness to travel

• Experience in a NETA-accredited testing environment

• NETA/NICET certification

• Exposure to protective relay testing equipment (Omicron, Doble test sets, etc.)

• Associate degree or technical certification in Electrical Technology or related field

• OSHA 10/30 or equivalent safety training

About Us 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 1-800-248-8733, ext. 3656.
• 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.