Transmission System Operator (Associate / Controller / Senior)

Salary Range: $90,233 - $150,601
Close Date: 10/30/2026 at 3:00 pm
Relocation: Yes

About Us

Oncor Electric Delivery Company LLC, headquartered in Dallas, is a regulated electricity transmission and distribution business that uses superior asset management skills to provide reliable electricity delivery to consumers. Oncor (together with its subsidiaries) operates the largest transmission and distribution system in Texas, delivering power to nearly 4 million homes and businesses and operating more than 145,000 miles of transmission and distribution lines in Texas.

Position Summary

A  successful candidate will have an understanding of electrical theory or power system operations, experience or knowledge of switching and tagging procedures and experience operating power system equipment. The candidate must be capable of acquiring an in-depth working knowledge of power system and operational fundamentals through self study and classroom training. The candidate must obtain North America Electric Reliability Corporation (NERC) certifications and successfully complete designated classroom training provided through Oncor Training Program.

Key Roles & Responsibilities

Transmission Grid Controller Associate

Other duties may be assigned.  Directly or through others, the incumbent:

• Within one year from employment obtain ONE of the following NERC Critical Infrastructure Protection (CIP) Certifications: 
• Reliability Coordinator 
• Transmission Operator or, 
• Balancing, Interchange and Transmission.
• Successfully complete a designated portion of the Oncor training program.
• Meet expectation for gaining a working knowledge of power system operations.
• Successfully complete NERC CIP training and background check.
• Gain a thorough understanding of Section 6 of the Oncor Transmission Safety Handbook.
• Perform real time control room switching under the supervision of a Transmission Grid Controller or Senior Transmission Grid Controller.

Transmission Grid Controller

Other duties may be assigned. Directly or through others, the incumbent:

• Will have thorough understanding of  Oncor operating procedures.
• Will successfully demonstrate through simulation operational skills and knowledge learned throughout the training based on Oncor operating procedures.
• Perform real time control room switching under the supervision of a Senior Transmission Grid (TG) Controller during training period.
• Effectively communicate information to other transmission entities, Electric Reliability Council of Texas (ERCOT) and distribution under the supervision on a Senior Transmission Grid (TG) Controller during training period.
• At the completion of the Oncor Training Program, must show proficiency in all areas of system operations.
• Able to progress to Senior TG Controller by successfully passing the ERCOT exam, meeting in-role experience requirements, and performing all job tasks and duties in a safe and reliable manner.
• Successfully complete NERC Critical Infrastructure Protection (CIP) training and background check.
• Capable of understanding and adhering to Section 6 of the Oncor Transmission Safety Handbook.

Transmission Grid Controller Senior 

Other duties may be assigned. Directly or through others, the incumbent: 

• Monitor and control (through Supervisory Control and Data Acquisition (SCADA)) transmission and substation facilities to ensure transmission line and transformer loading within ratings, a reliable system voltage profile, and operation within first contingency limits. This includes maintaining/restoring acceptable dynamic reactive capacity, line loading, bus voltages, transformer load tap changes, switching capacitors/reactors and operation of transmission breakers/switches. This also includes monitoring and responding to station equipment and voltage alarms.
• In a safe manner, restore service (through SCADA and dispatch of field personnel) to transmission and substation facilities to reduce customer outage time and restore system integrity (voltage stability and transfer capacity).
• Write/check/issue switching orders for transmission and substation facilities consistent with Section 6 of the Transmission Safety Handbook to ensure safety of field personnel while making transmission and substation facilities available for maintenance and construction activities.
• Faciliates the enernizaton of new transmission lines, stations and equipment.    
• Coordinate all switching activities with other TGM Region Desks, Distribution Operating Centers, transmission work centers and other utilities to make certain that safety and reliability are upheld.
• Ability to make critical decisions with minimal supervision

Skills for all

• Ability to learn power system operations.
• Analytical thinking skills. 

In addition to the above, the Controller Sr: 

• Ability to communicate power system events verbally and in writing and ability to multi-task.

Education and Experience

• High School Diploma, GED, or equivalent is required.
• Associate degree in electric power technology or equivalent work experience is required.
• Basic knowledge of power system facilities.
• Applicants that have completed a Navy Nuclear type program encouraged to apply.

In addition to the above, the Associate:

• Must obtain NERC certification within one year from date of employment.

In addition to the above, the Controller:

• Must Currently have one of the following NERC Certifications:
  • Reliability Coordinator
  • Transmission Operator or,
  • Balancing, Interchange and Transmission.

In addition to the above, the Controller Sr: 

• NERC and ERCOT certification required.
• Thorough understanding of Section 6 of the Transmission Safety Handbook.
• Operational knowledge of transmission and substation facilities.

Measures of Success

Transmission Grid Controller Associate

• Obtained required certifications within the designated time frame.
• Successfully completed a designated portion of the Oncor Training Program. 
• Demonstrate effective and clear verbal and written communication
• Obtained a thorough understanding of Section 6 of the Oncor Transmission Safety Handbook.
• Exhibits the capability of acquiring in-depth operational knowledge.

Transmission Grid Controller

• Maintain and obtain required certifications.
• Completes simulation exercises in a acceptable manner.
• Perform adequately under the supervision of a Senior TG Controller.
• Effectively communicates internally and with other entities.
• Successfully completed the Oncor Training Program.
• Exhibits a thorough understanding of Section 6 of the Oncor Transmission Safety Handbook.
• Exhibits the capability of acquiring in-depth operational knowledge.

Transmission Grid Controller Sr. 

• Properly issue Switching and Tagging Orders, Holds and Clearances, to protect field personnel within the rules of the Transmission Safety Handbook.
• Recognize, analyze and respond to unplanned system events.
• Low error rate and strong safety record.
• Effective and clear verbal and written communication.
• Minimal supervision required.

Benefits

At Oncor, we offer a comprehensive set of benefits, compensation and performance management programs designed specifically to attract, retain, motivate and reward our high-performing workforce. Our supportive and inclusive culture allows every team member the opportunity to thrive and make a difference. We invest in our employee’s success and well-being by offering such things as: 

• Annual incentive program.
• Competitive health and welfare benefits (medical, dental, vision, life insurance).
• Ability to earn wellness incentives (up to $2,300 in 2026 as an Employee only) and other wellbeing resources.
• 401k with dollar-for-dollar company match up to 6%.
• 401k match with student debt program.
• Cash balance pension plan.
• Adoption Assistance.
• Mental health resources.
• Employee resource groups.
• Tuition reimbursement.
• Competitive vacation, 10 company holidays and 2 personal holidays.
• Paid parental leave.
• Salary continuation for up to 6 months for approved employee illness or injury.
• Other perks such as commuter benefits, electric vehicle incentive program, appliance purchase plan.

Participation in benefit programs for employees in collective bargaining units is subject to the applicable collective bargaining agreement.