Description About the Role At Asplundh Electrical Testing , safety is not a priority--it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
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Description About the Role At Asplundh Electrical Testing , safety is not a priority--it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
Quick apply
Description About the Role At Asplundh Electrical Testing , safety is not a priority--it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
About the Role At Asplundh Electrical Testing , safety is not a priority--it is our foundation. The ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
Quick apply
About the Role At Asplundh Electrical Testing , safety is not a priority--it is our foundation. The ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
About the Role At Asplundh Electrical Testing , safety is not a priority--it is our foundation. The ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
About the Role At Asplundh Electrical Testing , safety is not a priority--it is our foundation. The ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
About the Role At Asplundh Electrical Testing , safety is not a priority--it is our foundation. The ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
About the Role At Asplundh Electrical Testing , safety is not a priority--it is our foundation. The ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
About the Role At Asplundh Electrical Testing , safety is not a priority--it is our foundation. The ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
About the Role At Asplundh Electrical Testing , safety is not a priority--it is our foundation. The ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
Description About the Role At Asplundh Electrical Testing , safety is not a priority--it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
Quick apply
Description About the Role At Asplundh Electrical Testing , safety is not a priority--it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
About the Role At Asplundh Electrical Testing , safety is not a priority--it is our foundation. The ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
Quick apply
About the Role At Asplundh Electrical Testing , safety is not a priority--it is our foundation. The ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
Description About the Role At Asplundh Electrical Testing , safety is not a priority-it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium- and ...
Description About the Role At Asplundh Electrical Testing , safety is not a priority-it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium- and ...
About the Role At Asplundh Electrical Testing , safety is not a priority--it is our foundation. The ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
About the Role At Asplundh Electrical Testing , safety is not a priority--it is our foundation. The ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
Description About the Role At Asplundh Electrical Testing , safety is not a priority--it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
Quick apply
Description About the Role At Asplundh Electrical Testing , safety is not a priority--it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
About the Role At Asplundh Electrical Testing , safety is not a priority--it is our foundation. The ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
About the Role At Asplundh Electrical Testing , safety is not a priority--it is our foundation. The ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
Description About the Role At Asplundh Electrical Testing , safety is not a priority--it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
Quick apply
Description About the Role At Asplundh Electrical Testing , safety is not a priority--it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
Description About the Role At Asplundh Electrical Testing , safety is not a priority--it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
Quick apply
Description About the Role At Asplundh Electrical Testing , safety is not a priority--it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
Description About the Role At Asplundh Electrical Testing , safety is not a priority--it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
Quick apply
Description About the Role At Asplundh Electrical Testing , safety is not a priority--it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
About the Role At Asplundh Electrical Testing , safety is not a priority--it is our foundation. The ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
Quick apply
About the Role At Asplundh Electrical Testing , safety is not a priority--it is our foundation. The ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
Description About the Role At Asplundh Electrical Testing , safety is not a priority--it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
Quick apply
Description About the Role At Asplundh Electrical Testing , safety is not a priority--it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
About the Role At Asplundh Electrical Testing , safety is not a priority--it is our foundation. The ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
About the Role At Asplundh Electrical Testing , safety is not a priority--it is our foundation. The ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
Description About the Role At Asplundh Electrical Testing , safety is not a priority--it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
Quick apply
Description About the Role At Asplundh Electrical Testing , safety is not a priority--it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
Description About the Role At Asplundh Electrical Testing , safety is not a priority-it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium- and ...
Description About the Role At Asplundh Electrical Testing , safety is not a priority-it is our ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium- and ...
About the Role At Asplundh Electrical Testing , safety is not a priority--it is our foundation. The ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
About the Role At Asplundh Electrical Testing , safety is not a priority--it is our foundation. The ... Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and ...
$53K - $58.9K
5% of jobs
$58.9K - $64.8K
6% of jobs
$64.8K - $70.7K
3% of jobs
$70.7K - $76.6K
4% of jobs
$76.6K - $82.5K
5% of jobs
$82.7K is the 25th percentile. Wages below this are outliers.
$82.5K - $88.5K
10% of jobs
$88.5K - $94.4K
14% of jobs
The median wage is $95K / yr.
$94.4K - $100.3K
14% of jobs
$105.6K is the 75th percentile. Wages above this are outliers.
$100.3K - $106.2K
14% of jobs
$106.2K - $112.1K
13% of jobs
$112.1K - $118K
11% of jobs
$53K
$93.3K
$118K
A typical day in protection relay testing involves planning and executing tests on protection relays to ensure proper operation and system reliability. You may review schematics, set up and operate test equipment, document test results, troubleshoot any issues, and collaborate with engineers, field technicians, or utility personnel. Much of the work is performed onsite at substations or power plants, sometimes requiring travel. Strong documentation and communication skills are important, as you'll frequently report findings and propose corrective actions. This role combines both hands-on technical work and teamwork to maintain the safety and efficiency of power distribution systems.
A Protection Relay Testing job involves inspecting, calibrating, and testing protective relays used in electrical systems to ensure they operate correctly during faults or abnormal conditions. Technicians and engineers in this role perform diagnostic tests, evaluate relay settings, and verify system coordination to prevent power failures and equipment damage. They work with electromechanical, static, and digital relays in substations, power plants, and industrial facilities. The job requires knowledge of electrical protection schemes, testing procedures, and specialized testing equipment like secondary injection test sets. Proper testing ensures system reliability, safety, and compliance with industry standards.
To thrive in Protection Relay Testing, you need a solid grounding in electrical engineering principles, knowledge of power systems, and hands-on experience with relay protection schemes. Familiarity with test equipment such as relay test sets (e.g., Omicron, Doble), SCADA systems, and relevant industry certifications like NETA or IEC/IEEE standards is often required. Attention to detail, analytical thinking, and effective communication are crucial soft skills for diagnosing issues and coordinating with teams. These skills ensure accurate and safe testing processes, minimize operational risks, and maintain the reliability of electrical power systems.

Louisville, KY
Full-time
Medical, Dental, Vision, Life, Retirement, PTO
Posted yesterday
Description
About the Role
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.
This position is ideal for professionals with a utility background who have hands‑on experience testing and commissioning transmission and distribution protection systems. You will serve as a technical lead in the field, guide crews through complex outage work, and reinforce Asplundh’s reputation for safety, precision, and service excellence.
We are experiencing strong growth and are immediately hiring Senior Relay Technicians with deep expertise in protection and control, relay schemes, and substation energization. If you enjoy solving complex protection challenges, leading safe work execution, and influencing system reliability at scale, we’d like to speak with you.
As a NETA‑accredited, independent electrical testing and engineering organization, Asplundh Electrical Testing sets the benchmark for technical excellence and unwavering safety across the utility, renewable energy, data center, and industrial sectors.
Candidates 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.
What You’ll Do
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 We Offer
Please note: For roles that fall within union‑represented territories, certain benefits and employment terms may differ from what’s listed here. In those cases, the applicable local union agreement will guide the specific benefits and provisions. We’re committed to transparency and will walk you through what applies to your location during the hiring process.
Who We Are
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.