Substation Relay Technician - Testing, Commissioning & Travel

R. R. CASSIDY INC; Town of Texas (WI); On-site; USD 70,000 - 110,000; Full time

Benefits offered by this job

401(k) matching

Medical, Dental, and Vision benefits

PPO, HSA, and FSA plans

Short/Long-term disability

Employee discounts

Job summary

R.R. Cassidy is seeking an experienced Substation Relay Technician to test, maintain, and troubleshoot protective relay systems in electrical substations.

The role requires a strong safety mindset and the ability to lead by example, with duties including testing panels, transformers, and control circuitry, and implementing relay test routines. The position involves traveling, overtime when needed, and working with SCADA/GOOSE/Modbus protocols to ensure system reliability and compliance with

Qualifications

• Experience testing, maintaining, and troubleshooting protective relay systems in substations.
• Ability to lead by example and maintain a strong safety culture.
• Willingness to travel and work overtime when needed.
• Proficiency with relay test software and tools.
• Working knowledge of electrical control circuits and protective relay logic.
• Experience with installation and maintenance of high‑voltage equipment.

Responsibilities

• Promote and model a strong safety culture, including accountability for safety practices of team members.
• Install, commission, test, and perform routine maintenance on protective relaying systems in substations.
• Conduct function testing on relay panels, transformers, breakers, and associated control circuitry.
• Create and follow procedures for testing, commissioning, and maintaining protective devices.
• Develop and execute relay test routines, macros, and verify system performance aligns with design parameters.
• Analyze relay logic, settings, and responses to simulated faults to confirm proper operation.
• Plan and implement testing and isolation procedures for scheduled outages.
• Install and test communication protocols and systems such as SCADA, GOOSE, Modbus, and fiber optics.
• Perform system analysis involving relays, transformers, AC/DC systems, and instrumentation.

Skills

Relay testing experience

Relay test software/tools

Electrical knowledge (control circuits

High voltage equipment experience

Strong written and verbalcommunication

Willingness to travel

Overtime flexibility

Physical ability to lift 70 lbs

Education

Associate or bachelor’s degree in Electrical/Electronic Technology or Engineering

Tools

Relay testing equipment

SCADA/GOOSE/Modbus protocols

Job description

R.R. Cassidy is seeking an experienced Substation Relay Technician to test, maintain, and troubleshoot protective relay systems in electrical substations.

The role requires a strong safety mindset and the ability to lead by example, with duties including testing panels, transformers, and control circuitry, and implementing relay test routines. The position involves traveling, overtime when needed, and working with SCADA/GOOSE/Modbus protocols to ensure system reliability and compliance with