Memphis Light, Gas and Water (MLGW)

Substation Relay Technician *Permanent Posting*

Memphis Light, Gas and Water (MLGW)  •  Memphis, TN (Onsite)  •  3 days ago
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Job Description

Substation Relay Technician *Permanent Posting*-(2600000O)

MLGW is an equal opportunity employer and does not discriminate because of race, color, religion, sex, sexual orientation, gender identity, age, national origin, genetic information, disability, protected veteran status, or any other status protected by law. No information obtained in this application is intended to be used for such discrimination.

Substation Relay Technician reports to Foreman. Perform installation, tests, maintenance/repair of various types of relays and electronic equipment/electrical instruments to transmission and distribution systems. Perform installation, tests, maintenance/repair of various types of relays and electronic equipment/electrical instruments to transmission and distribution systems. ESSENTIAL FUNCTIONS: Perform system integrity checks on all microprocessors, solid state, and electromechanical relays as well as all communications systems and control. Test control circuits on substation breakers and other related equipment, as well
as calibrate electric indicating equipment. Ensure all substation/transmission NERC standards and regulations are adhered to. Set up and maintain JMUX fiber communications network.

Program, test, inspect, and commission the controls for the devices that make up the Distribution Automation (DA) system. Provide technical expertise and guidance for all substations electronic devices/relays. Analyze, read, and verify protection blueprints to ensure relay circuits are built to standard. Analyze/verify control circuit current and potential wiring to relay elements; making corrections/additions to relay schemes as needed. Perform post-event analysis and review of protection system operations. Provide necessary information for system enhancements after investigation BES fault disturbances to determine fault source and location. Design and fabricate special relay circuits/devices as needed.

Analyze, test, repair service powerline carrier equipment, wave traps, uninterruptible power supply systems, capacitor banks, regulators, reclosures, and sectionalizes and their associated controls. Troubleshoot voltage complaints and coordinate and guide crews in installation, repair, and maintenance of Remote Telemetry Units (RTUs). Perform substation switching on breakers, line and bus switches, and other equipment as needed. Maintain records of all repairs, test results, adjustments, program changes, and/or modifications to substation protection systems. Adhere to all Division and OHSA safety rules and practices. Operate Division vehicles (trucks, bucket trucks), test equipment, and radios as needed. Perform other duties as directed.

Qualifications

LICENSES AND CERTIFICATIONS

A valid driver's license from state of residence is required.

EDUCATION

Associate degree in Electrical, Telecommunication or Electronic Engineering Technology, Electric Utility Substation & Relay Technology, Engineering
Technology Substation or related degree is required.

ADDITIONAL INFORMATION

Must complete two (2) out of three (3) modules from the existing substation relay training program within probationary period six (6) months from hire date. Must successfully complete Color Blind I test. Must successfully complete Placement/Performance Exercises depending on candidate's degree. Physical Demands: Subject to climbing and working at heights up to 50 feet above ground on substation bus support structures or using ladders and standing for extended periods. Requires working in confined spaces, medium lifting/carrying up to 50 pounds; works inside or outside under extreme weather conditions throughout the coverage area, in close proximity of high voltages within the substations, inside bucket truck or manlifts and in benchboards that are close proximity to household voltages and currents.

THIS LIST OF ESSENTIAL FUNCTIONS IS NOT EXHAUSTIVE AND MAY BE SUPPLEMENTED AS NECESSARY.

Primary Location

USA-TN-Memphis

Work Locations

AB01 David F Hansen Admin Bldg220 South Main StreetMemphis38101-0430

Job

Electrical

Organization

0405200 Talent Acquisition Manager Office

Job Posting

Mar 31, 2026, 6:13:21 PM

Minimum Salary

37.35Midpoint Salary44.04

Memphis Light, Gas and Water (MLGW)

About Memphis Light, Gas and Water (MLGW)

MLGW is the largest three-service public power utility in the nation, serving more than 444,000 customers in Memphis and Shelby County.

The utility's Economic Development team helps businesses in Memphis and Shelby County succeed. Find out how by contacting us at (901) 528-4228 or econdev@mlgw.org.

Since 1939, Memphis Light, Gas and Water has met the utility needs of Memphis and Shelby County residents by delivering reliable and affordable electricity, natural gas and water service.

Electricity is supplied to MLGW by the Tennessee Valley Authority, while natural gas is purchased from a variety of suppliers and transported by three pipeline companies — Texas Gas Transmission Corporation, Trunkline Gas Company and ANR Pipeline Company. Memphis receives its water from one of the largest artesian water systems in the world.

MLGW is led by a president and a five-member board of commissioners who are appointed by the mayor of Memphis and approved by the Memphis City Council.

Industry
Energy & Utilities
Company Size
1,001-5,000 employees
Headquarters
Memphis, Tennessee
Year Founded
1939
Website
mlgw.com
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