Senior Relay Technician – Substation Protection Lead

Utilities Service, LLC; Lowell (MA); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Medical, dental, vision coverage

Retirement plan

Life insurance

Job summary

Asplundh Electrical Testing seeks a Senior Relay Technician to ensure safe, reliable operation of medium- and high-voltage substations through testing, commissioning, and maintenance. You will lead field work, mentor technicians, and coordinate with project managers and utility customers.

Requirements include 5+ years in protective relaying, testing 5kV–500kV systems, and strong knowledge of modern relay test platforms.

Qualifications

• NETA Level III or IV certification preferred for senior roles.
• Experience with circuit breakers, power transformers, switchgear, RTUs and substation communications.
• OSHA 10/30 certification preferred.

Responsibilities

• Lead job briefings and safety tailboards, reinforcing a “Safety First, Always” 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, MV/HV circuit breakers, feeder relays, capacitor banks, and reactors.
• Support outage planning, switching coordination, energization, and restoration activities.
• Lead and mentor onsite technicians; coordinate with project managers and utility customers.
• Create and maintain accurate test reports, as-left settings, and field documentation.

Skills

Relaying experience

High voltage testing

Microprocessor relays

Relay test platforms

Safety and OSHA practices

Travel readiness

Education

NETA Level III or IV Certification

Technical degree / apprenticeship

OSHA 10 or 30

Military electrical training

Tools

Relay test equipment

Substation protection hardware

Job description

Asplundh Electrical Testing seeks a Senior Relay Technician to ensure safe, reliable operation of medium- and high-voltage substations through testing, commissioning, and maintenance. You will lead field work, mentor technicians, and coordinate with project managers and utility customers.

Requirements include 5+ years in protective relaying, testing 5kV–500kV systems, and strong knowledge of modern relay test platforms.