NRG Careers

High Voltage Technician

Date Posted: Mar 9, 2018

Location: Wildorado, TX, US

Company: NRG

Job Description

NRG is the leading integrated power company in the U.S., built on the strength of our diverse competitive electric generation portfolio and leading retail electricity platform. A Fortune 500 company, NRG creates value through best-in-class operations, reliable and efficient electric generation, and a retail platform serving residential and commercial businesses. Working with electricity customers large and small, we implement sustainable solutions for producing and managing energy, developing smarter energy choices and delivering exceptional service as our retail electricity providers serve almost three million residential and commercial customers throughout the country.

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Oversee the operation, maintenance, and repair of HV/ MV electrical switchyard collection systems for wind energy projects.  




  • Support Renewables fleet throughout the US in areas of high voltage maintenance and troubleshooting. Ensure compliance to national/local electrical standards and company objectives.
  • Instruct, train, and assist site personnel in safe work practices. Ensure compliance with industry safe work practices by Wind site employees and contractors performing Balance of Plant work activities.
  • Review specific work for site planned Outages. Ensure work includes time based or condition based maintenance.  Verify the availability/ accuracy of permits, LOTOs, contractors, test equipment, repair parts and tools
  • Be onsite during planned Outages to assist and supervise as needed. Follow contractor work progress. Ensure unsatisfactory test results/conditions recorded are resolved, verified and addressed before contractor demobilization and restoration of equipment.
  • Review, assist and/or perform high voltage switching, and grounding using approved switching orders and procedures.
  • Track site discrete relay calibration due dates for assigned sites. Supervise the implementation of Company procedures by contracted testing personnel. Review and file final relay test reports in corporate Electrical database.
  • Service, troubleshoot and repair high voltage collective systems, including overhead power lines, underground cable systems, substation switching equipment, power instrumentation and transformer equipment up to 345kV.
  • Maintain drawings, specifications, test logs, state and national regulations, code requirements, and other records.
  • Ensure modifications made to site equipment are documented for future reference.
  • Review site specific equipment manuals for maintenance and repair requirements. 
  • Maintain log books, work orders, procedures, timesheets, expense reports, requisitions and other documentation as required.
  • Work alternate shift schedule on short term basis and overtime as required. 


Knowledge, Skills & Abilities


  • Must have a general understanding of electrical power generation and distribution, and possess a thorough knowledge of high voltage collective systems including, overhead, underground and substations systems.
  • Must possess a good understanding of operating procedures, environmental and safety rules and regulations, and first aid procedures.
  • Must be skilled in:
    • The use of a variety of electrical test equipment and hand tools.
    • Interpreting and following technical instruction furnished in oral, written,        diagrammatic and schedule form.
    • Reading and interpreting blueprints, electrical diagrams, technical manuals, test reports and logic diagrams.
    • Performing mathematical calculations to analyze and solve problems related to control process.
    • Using personal computers, test gauges, digital multi-meters, oscilloscopes, and specialized test equipment to test overhead, underground, and substation equipment
  • Specific areas of knowledge/ familiarity:
    • NFPA 70E and Arc Flash hazards
    • Proper use of PPE, ground equipment and switching equipment
    • Underground Cable fault locating and repair
    • Battery maintenance, testing and documentation
    • Protective Relay purpose, operation, fault analyzing and event reports
    • Transformer maintenance, cooling, oil sampling and DGA analysis
    • Thermography- use, training, reporting and analysis
    • MV/ HV breakers and disconnect operation, maintenance and testing
  • Must successfully function as a member and/or leader of a team.
  • Must be able to effectively communicate orally and in writing.
  • Must possess a valid driver’s license. Class B, or Class A preferred.  Proficiency in operation of an aerial lift truck for line repairs desired.
  • Must be able to maintain a professional and positive company image and positive relationships with owners, customers, internal contractors and external contractors.




  • Must possess a high school diploma or equivalent. Completion of a formal apprenticeship program or equivalent combination of work experience and technical training required.
  • Journeyman Lineman certification preferred.
  • Must participate and seek training in professional courses to enhance electrical proficiency and knowledge of safe work practices




  • Must possess a minimum of five years’ experience in the troubleshooting, repair and maintenance of high voltage collective and interconnection systems at a power generating facility, or similar industrial setting. Journeyman Lineman certification or equivalent preferred.
  • SCADA system experience preferred.
  • Knowledge of Substation Protection Systems preferred


Physical Requirements


  • Travel by automobile and commercial airlines will be required for training and other company business.
  • Able to work at heights greater than 250 feet.
  • Able to climb vertical stationary ladders inside wind turbine towers at heights greater than 250 feet.
  • Required to work in confined spaces that require employee to reach by stooping and/or crawling through tight clearances, or by lying down. 
  • Routinely required to stand for extended periods of time and to walk over uneven surfaces such as loose rock, open grating, and up and down staircases.
  • Required to carry calibration tools and hand tools generally weighing up to 30 lbs. Instruments may be irregularly shaped, and can weigh up to 75 lbs.  May be required to lift cylinders that contain high-pressured gases or compressed air, and are 4 to 5 feet in height and may weigh up to 75 lbs.
  • Repair responsibilities may include locating, isolating, switching, and grounding at voltages up to 345kV. 
  • Employee may be required to work extended periods of time on a computer terminal.
  • Able to work in adverse outdoor weather conditions with summer temperatures greater than 100 °F and winter temperatures less than 0 °F.
  • Employee may be required to work flexible work hours.
  • Employee duties include vehicular travel to/from sites within assigned area of coverage as well as travel to support other wind facilities throughout the US.


Environmental Demands


  • Approximately 50% outdoors, balance inside.
  • Overnight travel required


NRG Energy is committed to a drug and alcohol free workplace.  To the extent permitted by law and any applicable collective bargaining agreement, employees are subject to periodic random drug testing, and post-accident and reasonable suspicion drug and alcohol testing. EOE AA M/F/Protected Veteran Status/Disability
EEO is the Law Poster (The poster can be found at

Level, Title and/or Salary may be adjusted based on the applicant's experience or skills.

Official description on file with Human Resources

Nearest Major Market: Amarillo