Senior Relay Technician - Utility & High-Voltage Protection
Asplundh Engineering Services, LLC, Chillicothe, MO, United States
Senior Relay Technician – Utility & High‑Voltage Protection
Location: Chillicothe, MO, United States
Date Posted: Apr 23, 2026
At
Asplundh Electrical Testing , safety is our foundation. The
Senior Relay Technician
ensures the safe, reliable operation of medium‑ and high‑voltage utility substations through advanced protective relay testing, commissioning, and maintenance.
Responsibilities
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‑ to high‑voltage circuit breakers, feeder relays, capacitor banks, and reactors.
Support outage planning, switching coordination, energization, and restoration activities.
Conduct event analysis, relay target review, and disturbance investigations.
Lead and mentor onsite technicians; coordinate work 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. Company vehicle provided for regional work‑related travel.
Qualifications
5+ years of hands‑on experience
in protective relaying for utility substations.
Experience testing medium‑to‑high‑voltage (5 kV–500 kV) protection systems.
Strong knowledge of microprocessor‑based relays and modern relay test platforms.
Solid understanding of utility safety rules, energized work practices, and lockout/tagout procedures.
Ability to interpret wiring and logic drawings.
Valid driver’s license and 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 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.
Benefits
Eligible employees enjoy a comprehensive benefits package designed to support health, financial security, and work‑life balance, including:
Medical, dental, and vision coverage starting on day one.
Retirement plan.
Company‑provided life insurance.
Supplemental life insurance options.
Voluntary Aflac supplemental insurance programs.
Long‑term disability coverage.
Pre‑paid legal plan.
Employee Assistance Program.
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.
EEO Statement
We are an Equal Opportunity Employer. All job offers are subject to pre‑employment drug screening and a background check. Unless otherwise noted, we do not sponsor employees for work authorization in the U.S. for this position.
Agency Notice
We only accept resumes from recruiters, employment agencies, or staffing services if a Service Agreement has been signed and we have requested recruitment or staffing services for the specific position. Any unsolicited resumes will become the property of the company, and no fees or compensation will be paid to the recruiter, employment agency, or staffing service.
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Location: Chillicothe, MO, United States
Date Posted: Apr 23, 2026
At
Asplundh Electrical Testing , safety is our foundation. The
Senior Relay Technician
ensures the safe, reliable operation of medium‑ and high‑voltage utility substations through advanced protective relay testing, commissioning, and maintenance.
Responsibilities
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‑ to high‑voltage circuit breakers, feeder relays, capacitor banks, and reactors.
Support outage planning, switching coordination, energization, and restoration activities.
Conduct event analysis, relay target review, and disturbance investigations.
Lead and mentor onsite technicians; coordinate work 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. Company vehicle provided for regional work‑related travel.
Qualifications
5+ years of hands‑on experience
in protective relaying for utility substations.
Experience testing medium‑to‑high‑voltage (5 kV–500 kV) protection systems.
Strong knowledge of microprocessor‑based relays and modern relay test platforms.
Solid understanding of utility safety rules, energized work practices, and lockout/tagout procedures.
Ability to interpret wiring and logic drawings.
Valid driver’s license and 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 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.
Benefits
Eligible employees enjoy a comprehensive benefits package designed to support health, financial security, and work‑life balance, including:
Medical, dental, and vision coverage starting on day one.
Retirement plan.
Company‑provided life insurance.
Supplemental life insurance options.
Voluntary Aflac supplemental insurance programs.
Long‑term disability coverage.
Pre‑paid legal plan.
Employee Assistance Program.
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.
EEO Statement
We are an Equal Opportunity Employer. All job offers are subject to pre‑employment drug screening and a background check. Unless otherwise noted, we do not sponsor employees for work authorization in the U.S. for this position.
Agency Notice
We only accept resumes from recruiters, employment agencies, or staffing services if a Service Agreement has been signed and we have requested recruitment or staffing services for the specific position. Any unsolicited resumes will become the property of the company, and no fees or compensation will be paid to the recruiter, employment agency, or staffing service.
#J-18808-Ljbffr