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Southern California Edison Substation Relay Test Technician – Senior (9825) in Saticoy, California

Job Description


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About Transmission and Distribution

Southern California Edison’s (SCE's) Transmission and Distribution Organizational Unit (T & D) is responsible for planning, engineering, constructing, operating, and maintaining transmission and distribution facilities throughout the 50,000-square-mile territory. T&D is the steward of roughly $19 billion in assets that safely and reliably deliver electricity to 14 million residents via SCE’s 5 million customer accounts.

Position Overview

This position will be in the SC&M (Substation Construction & Maintenance) Division within Southern California Edison's (SCE) Transmission and Distribution Organizational Unit (T&D). The successful candidate will be responsible for the installation, maintenance and repair of substation relay protection systems along with any control, monitoring or measuring equipment and any three phase high voltage equipment associated to it. The successful candidate will be responsible for setting up and operating test instruments/equipment to perform function testing, adjustment and calibration of substation protection relays and associated equipment as well as supervise, instruct and train assigned test technician for testing and in-service testing of system equipment. Plans, programs and lays out the crew’s test work and coordinates work with other workers. The knowledge, skills, and abilities required by this job are of a level normally acquired through completion of high school and/or formal training in electrical engineering, or experience in jobs requiring extensive comprehension of electrical theory and use of principals of electrical theory in actual performance.

Typical Responsibilities:

  • Assist in testing, inspecting, repairing, Installing, and adjusting relays, instrumentation equipment, local controller, pilot wire equipment, battery chargers, and associated devices for the protection, control, and indication of protective relaying equipment within electrical utility substations.

  • Use software programs utilized in programming, testing, commissioning, inspecting, repairing and adjusting system equipment such as “Doble ProTest” or “Protection Suite” software.

  • Load relay, PLCs, HMIs or other electronic devices and instrumentation with programs, firmware and settings.

  • Conduct various electrical tests of high voltage electrical equipment in accordance with test criteria established by policies and procedures or written test plans and maintain accurate records of test results and report results to the development and testing group.

  • Determine, diagnose, and isolate electrical trouble and detect electrical faults in equipment and make necessary repairs

  • Test the phase relation of overhead and underground lines, transformers, and relays.

  • Perform wire-checks (point to point), power-up and commissioning of industrial Control Panels to integrate them to new or existing systems as required.

  • Maintain electrical drawings/schematics and required documentation.

  • Redline electrical schematics and modification of PLC programs, HMI programs and other settings as directed by responsible engineer/designer and communicate all required changes to responsible parties.

  • Act as a Substation Operator and Electrical Checker when required.

  • Maintain a safety conscious work environment by following Edison safety protocols and safe work practice and First Aid procedures.

  • Interpret and apply manufacturer’s documentation related to substation equipment.

  • Perform complex mathematical calculations based on AC and DC theory, including the use of trigonometry.


Minimum Qualifications

  • Two or more years of experience setting up and operating test instruments and equipment to perform operational testing, adjustment and calibration of protective relaying equipment.

  • Ability to read electrical schematics, drawings and symbols used in prints and manufacturer’s documentations.

  • One of more years of Basic computer knowledge and experience using Microsoft Word, Excel and Outlook.

  • Must possess and be able to maintain a valid Driver’s License.

Desired Qualifications

  • Experience Installing, testing, repairing and maintaining electrical, electronic, and digital instrumentation and protective equipment for three phase high voltage power systems.

  • Advanced knowledge of AC and DC theory.

  • Strong computer knowledge and experience in setting up communication protocols with equipment to interface with computer.

  • Qualified Substation Operator and/or electrical worker in a high voltage utility substation.

  • Two or more years of experience working as relay Test Technician.

  • Associates Degree or higher level of education in Electrical Engineering or a related discipline.


  • Candidates for this position must be legally authorized to work directly as employees for any employer in the United States without visa sponsorship.

  • Relocation does not apply to this position.

  • Position will require occasional travel within the SCE service territory.

  • Upon hire, the successful candidate will be required to pass Southern California Edison’s Basic Substation Operator Training course and be qualified as a Substation Operator (post hire).

  • Ability Lift, carry and/or push up to 25 lbs. and work in elevated positions.

  • Occasional Overtime hours may be required.

  • This position has been identified as a NERC/CIP impacted position - Prior to being hired, the successful candidate must pass a Personnel Risk Assessment (PRA) or Background Investigation. Once hired, the candidate must complete specified training prior to gaining un-escorted access to assigned work location and performing necessary job duties.

  • Applicants who are identified to continue in the selection process will be invited to test via email and are encouraged to review any tests required in this job posting - Link to Information Guides at

  • Please reference the Supervising Test Tech Knowledge Test (#2884) and the Test Tech Physical Performance Test (#4023). Candidates who have previously passed these assessment(s) may not need to retest again for this position.

  • Candidates must be available to test during the following time frame: 02/25/19 – 03/11/19.

Southern California Edison, an Edison International (NYSE:EIX) company, serves a population of approximately 15 million via 5 million customer accounts in a 50,000-square-mile service area within Central, Coastal and Southern California. Join the utility leader that is safely delivering reliable, affordable electricity to our customers for over 125 years.

SCE is a proud Equal Opportunity Employer and will not discriminate based on race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status or any other protected status.