Senior Relay Technician - Utility & High-Voltage Protection
Asplundh Engineering Services, LLC, Saint Joseph, MO, United States
Senior Relay Technician – Utility & High‑Voltage Protection
Brand: Asplundh Electrical Testing
Location: St. Joseph, MO, United States
Date Posted: Apr 23, 2026
Requisition Number: 6542-OTHLOC-CDMCYfwJ
Overview
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.
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, and 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 is 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 (5 kV–500 kV) protection systems
Strong working knowledge of microprocessor‑based relays
Experience with modern relay test platformsSolid 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 (other NETA levels encouraged to apply)
Experience with circuit breakers, power transformers, switchgear, RTUs and substation communications
Technical degree, apprenticeship, or military electrical training
OSHA 10 or OSHA 30 certification
Valid driver’s license with a clean driving history
Benefits
Medical, dental, and vision coverage starting on day one
Retirement plan to help you secure your future
Company‑provided life insurance
Supplemental life insurance options including spouse and child coverage
Aflac supplemental insurance programs
Long‑term disability coverage
Employee Assistance Program (EAP)
Paid time off and paid holidays
Access to employee discount programs and helpful resources
Equal Opportunity Employer
Asplundh Electrical Testing is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by law.
Applicants 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.
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Brand: Asplundh Electrical Testing
Location: St. Joseph, MO, United States
Date Posted: Apr 23, 2026
Requisition Number: 6542-OTHLOC-CDMCYfwJ
Overview
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.
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, and 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 is 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 (5 kV–500 kV) protection systems
Strong working knowledge of microprocessor‑based relays
Experience with modern relay test platformsSolid 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 (other NETA levels encouraged to apply)
Experience with circuit breakers, power transformers, switchgear, RTUs and substation communications
Technical degree, apprenticeship, or military electrical training
OSHA 10 or OSHA 30 certification
Valid driver’s license with a clean driving history
Benefits
Medical, dental, and vision coverage starting on day one
Retirement plan to help you secure your future
Company‑provided life insurance
Supplemental life insurance options including spouse and child coverage
Aflac supplemental insurance programs
Long‑term disability coverage
Employee Assistance Program (EAP)
Paid time off and paid holidays
Access to employee discount programs and helpful resources
Equal Opportunity Employer
Asplundh Electrical Testing is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by law.
Applicants 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.
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