Share this Job






Substation Technician 3

Johnson City, TX, US, 78636

Position open until filled.


Position Summary:


This position is responsible for 24/7 system operations including the calibration, commissioning, inspection, maintenance and repair of transmission and distribution equipment and protective relays, switches, apparatus and Power Line Carrier (PLC) communication systems associated with the transmission grid, distribution infrastructure and capital improvement projects.  


Essential Duties and Responsibilities:

  • Execute all power quality initiatives and maintain a time based maintenance approach according to the Cooperative’s Substation Equipment Maintenance Standards Plan and manufacturer recommendations
  • Provide support and expert technical knowledge for substation and distribution capital improvement projects
  • Execute annual maintenance and inspection program for substation power and auto transformers, transmission breakers, circuit switchers, distribution breakers, microprocessor and electromechanical protection relays, PLC communication equipment and other key substation equipment
  • Monitor and review dissolved gas analysis and fluid quality oil samples for corrective action of substation equipment
  • Provide expert technical support for high voltage electrical transmission systems, bulk substations and distribution systems that carry electricity to final customers
  • Execute electrical testing, including transformer turns ratio, digital low resistance ohmmeter, fluid dialectic tests, power factor, winding resistance, sweep frequency response analysis, protective relay calibration, equipment phasing and test the condition of insulation of all major system electrical apparatus, etc.
  • Execute substation commissioning, including microprocessor protective relay programming and  testing, trip check and  function test all new substation equipment
  • Proof electrical and control schematics during substation commissioning projects, making modifications and design changes to electrical prints, wiring diagrams and schematics to ensure proper operation
  • Energize substations and perform all  tests and electrical checks to ensure proper operation
  • Execute formal switching orders inside substations as issued by the LCRA System Operation Control Center  to manipulate power flow on the high voltage transmission grid or to isolate equipment
  • Execute installation of mobile substations for substation construction projects and to perform maintenance of substation power transformers
  • Execute power quality programs and assist in resolution of power quality related issues across the organization
  • Carry out programs to achieve long range goals that support the Cooperative’s Strategic Plan
  • Provide expert knowledge regarding substation microprocessor and  electromechanical protective relays, breaker operators, communication equipment, battery banks and battery chargers
  • Provide technical support to substation modernization initiatives
  • Execute programming electronic protection relays, commission testing, and installation of SCADA controlled Line Reclosers and Auto Sectionalizing Switches outside substations
  • Analyze equipment test results to recommend practical, cost-effective solutions for equipment performance and repair.
  • Discuss job performance problems with supervisors to identify causes and issues and work to resolve problems
  • Follow work procedures and company policies
  • Carry out operating procedures
  • Execute work priorities and activities
  • Develop test plans for microprocessor protective relay testing and calibration
  • Perform emergency Call-Out duty for all substation issues including power outages and trouble calls for SCADA controlled Line Reclosers and Auto Sectionalizing Switches
  • Record data on appropriate test reports to maintain NERC, FERC and TRE compliance
  • Coordinate activities with other departments
  • Maintain the security of confidential information
  • Stay abreast of advances in technology

Supervisory and/or Leadership Responsibilities:   May provide technical direction to others.

Knowledge, Skills, and Abilities:


  • Knowledge of using computer systems, which may include setting up and using hardware and software programs, entering data or processing information
  • Knowledge of principles and processes for providing customer service
  • Knowledge of substation protection schemes including Bus & Transformer Differential, Breaker Failure, Cable Fault, and Zone Protection schemes 
  • Knowledge of basic electricity, safety rules and procedures as well as the hazards involved in working around energized lines and equipment involving high and low voltage
  • Knowledge of substation communication SCADA, relaying, monitoring and control systems
  • Knowledge of reviewing and interpreting electrical prints and schematics for relay applications
  • Knowledge of learned principles of electrical theory as applied to power transformers and autotransformers, relays, SCADA and TWACS systems, etc.
  • Knowledge of reading manuals and interpreting diagrams
  • Skilled in the use of electrical testing equipment including DOBLE 6150, DOBLE M4000, MEGGER, Very Low Frequency, Multi Ratio Current Test, phasing sticks, oil dielectric, digital low ohm resistance, and sweep frequency response analysis.
  • Skilled in time management
  • Skilled in prioritizing and managing changing priorities
  • Ability to use computer systems and applications
  • Ability to communicate effectively verbally and in writing
  • Ability to listen and understand information verbally and in writing
  • Ability to anticipate, identify, analyze and resolve conflict and problems


Minimum Qualifications – (Education, Experience, Certification, & Licensure):

  • Associate’s Degree in Electrical Power and Controls, Electronics Technology or related field
  • Directly related experience may substitute for education
  • Two years of Substation Technician II or equivalent experience
  • Valid Texas Driver’s License


Physical Demands and Work Environment:

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.  Reasonable accommodations may be made to enable qualified individuals with disabilities to perform the essential functions.

  • The employee may be required to stand; reach with hands and arms, stoop and kneel
  • The employee may be required to sit or stand for long periods of time
  • The employee may be required to lift, carry, push, pull or move up to 100 pounds
  • The employee may be required to travel
  • The employee will routinely utilize Personal Protective Equipment
  • The employee will participate in emergency restoration and call-out duty
  • The employee is frequently exposed to outside weather conditions including wet and humid conditions
  • The noise level in the work environment is usually moderate to loud
  • Exempt employees receive a fixed bi-weekly salary to compensate them for all hours worked during each pay period
  • This position may be required to work more than 40 hours per week




Pedernales Electric Cooperative is an Equal Opportunity / Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran status, sexual orientation and gender identity. 

Join PEC

At PEC, we know happy employees produce great work. That’s why we’ve recently been named a Top Workplace by both the Austin American-Statesman and the San Antonio Express-News! As a PEC employee, you’ll find we’re always willing to invest in you — because we know that we do better when you do better.



Nearest Major Market: Austin

Job Segment: Technician, Gas, Gas Technician, Testing, Technical Support, Technology, Energy