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.  

As a Technician/Specialist, a typical day might include the following:    

• 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, switchgear, capacitor banks, generators, and reclosers 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%).  

This job might be for you if:   

• You have 3–10 years of experience in relay testing or commissioning. 

• You have a strong grasp of protection principles and control schemes. 

• You are comfortable working with Doble, Megger, or Omicron equipment. 

• You are familiar with Autocad, Microstation and AcSELerator Quickset and industry protocols (IEC-61850, DNP, Modbus)  

• You are familiar with RTACs, HMIs, and network switches—or eager to learn. 

• You hold an associate degree in Electrical Engineering Technology or a related field. 

• You have certifications like OSHA, NETA, or NICET—or you're working toward them. 

Location Information:

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. #SEL25

Competitive pay. Superior benefits. Inspiring work.

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.