Protection and Control Engineering Specialist

Company Description Oncor Electric Delivery Company LLC is a regulated electricity distribution and transmission business headquartered in Dallas, Texas. The company operates the largest distribution and transmission system in Texas, delivering reliable power to nearly 4 million homes and businesses. With more than 144,000 miles of transmission and distribution lines, Oncor focuses on strong asset management and dependable service for communities across the state. Oncor is owned by two investors but is governed by a Board of Directors composed primarily of independent members. Applicants can learn more about the company and the industry by visiting oncor.com/thewire for news, stories, and information.

Role Description The Protection and Control Relay Technician is a full-time, on-site role based in Graham, TX. This role is responsible for installing, testing, calibrating, maintaining, and troubleshooting protective relays and associated control equipment in substations and related facilities. Daily tasks include performing relay and control system inspections, executing commissioning and acceptance tests, verifying proper operation of protective schemes, and documenting all work in compliance with company and regulatory standards. The technician collaborates with engineering, operations, and field crews to support system reliability, respond to equipment issues, and assist with outage investigations and corrective actions. The role also involves following strict safety procedures, using specialized test equipment, interpreting electrical schematics and wiring diagrams, and participating in scheduled on-call or emergency response duties as needed.

Qualifications

• Strong knowledge of protective relays, control systems, substation equipment, and power system fundamentals.
• Ability to read and interpret electrical schematics, wiring diagrams, protection one-lines, and technical manuals.
• Experience using relay test sets, meters, and diagnostic tools to perform calibration, functional testing, and troubleshooting.
• Understanding of applicable safety standards, electrical codes, and utility or NERC/IEEE protection practices.
• Competence with documentation, work orders, test reports, and basic computer applications for data entry and reporting.
• Effective communication and teamwork skills to coordinate with field crews, engineers, and operations personnel.
• Relevant technical education such as an associate degree or vocational/technical certification in electronics, electrical technology, or a related field; equivalent experience may be considered.
• Previous utility, substation, or industrial power systems experience is highly beneficial; valid driver’s license and ability to meet physical requirements for field work are expected.