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

Asplundh Electrical Testing; Milford (MA); On-site; USD 70,000 - 90,000; Full time

Benefits offered by this job

Medical, dental, and vision coverage

Retirement plan

Company-provided life insurance

Paid time off

Employee Assistance Program (EAP)

Job summary

Asplundh Electrical Testing in Milford, Massachusetts is looking for a protective relay technician with over 5 years of experience in high-voltage systems. This role involves testing and validating protection schemes, mentoring technicians, and ensuring safety standards. The position offers competitive benefits including medical coverage, retirement plans, and paid time off, with a requirement for travel to customer sites throughout the region.

Qualifications

• 5+ years of hands-on experience in protective relaying for utility substations.
• Experience with medium- to high-voltage protection systems (5kV–500kV).
• Solid understanding of utility safety rules and lockout/tagout procedures.

Responsibilities

• Lead job briefings and safety tailboards.
• Perform protective relay testing and commissioning.
• Create and maintain accurate test reports.

Skills

Hands-on experience in protective relaying

Experience testing medium- to high-voltage systems

Strong knowledge of microprocessor-based relays

Ability to interpret protection diagrams

Valid driver’s license

Education

Technical degree, apprenticeship, or military electrical training

NETA Level III or IV Certification preferred

OSHA 10 or OSHA 30

Job description

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

• 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