Relay Commissioning Technician

The devices we make at SEL are embedded in the power grid. They prevent blackouts. They make outages safer and shorter in duration; they add cybersecurity, automation, and communication. They use cutting‑edge technologies and operate at speeds that push other pieces of the grid to go faster.

SEL ES is seeking a Relay Commissioning Technician with mid to senior‑level experience to support field commissioning and testing of protection and control systems. This role involves hands‑on work with power system equipment and relay testing tools, ensuring reliable operation of electric power systems.

• Commission and test protective relay systems and associated power equipment.
• Use Doble, Megger, and Omicron test sets for validation and troubleshooting.
• Conduct functional testing for protective relay and control systems for transformers, switch gear, capacitor banks, generators, and recloser applications.
• Perform physical and functional verification of wiring to ensure proper installation and system integrity.
• Collaborate with customers and internal teams to ensure successful project delivery.
• Document test results and support integration efforts.
• Travel to customer sites (up to 80%).

• 3–10 years of experience in relay testing or commissioning.
• Strong grasp of protection principles and control schemes.
• Comfortable working with Doble, Megger, or Omicron equipment.
• Familiar with Autocad, Micro Station and AcSELerator Quick Set and industry protocols (IEC‑61850, DNP, Modbus).
• Familiar with RTACs, HMIs, and network switches—or eager to learn.
• Associate degree in Electrical Engineering Technology or a related field.
• Certifications like OSHA, NETA, or NICET—or working toward them.

King of Prussia, PA – This position is located in King of Prussia, PA. Located just twenty miles from Philadelphia, its close proximity allows residents to enjoy all that the big city has to offer. Enjoy easy access to trails along the river, or attend sporting events nearby. The diverse options make King of Prussia the perfect place to call home.

People are at the core of our company and we hire employee‑owners. We welcome you to learn more about how we support employees.

• We’re 100% employee‑owned. Retirement benefits include an employer‑funded stock ownership plan (ESOP) and personal 401(k) options.
• We offer top tier medical, prescription, dental, vision, life, and disability insurance.
• We recognize the importance of a healthy life balance and offer: 10 paid holidays, annual vacation accrual starting at 12 days, 9 paid sick days, and paid family and medical leave that covers 90% of your pay.
• We foster growth and development of our employees through avenues such as STEM courses, apprenticeships, tuition assistance, and engineering development programs.
• Ask our team about other benefits including wellness, fertility, adoption, and flexible spending benefits.

$33.00 – $60.00

We are open to reviewing additional candidates with more or less experience and the pay range may differ if filled at a different level. Our pay ranges are determined by job, responsibility, and location. We base our starting pay offer and title on location and job‑related factors such as candidate experience, training, knowledge, and skills.

We communicate with all applicants. If you do not receive a response about your application, please check your SPAM filter or reach out to us at

SEL is an Equal Opportunity

Employer:

Vets/Disabled.