Date:  Nov 24, 2021


Company:  NRG

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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This position is governed by a local union contract.


Job Summary: 

Provide mechanical maintenance support to maintain equipment in an electrical generating power plant; may perform Head Mechanic duties during absence of a Head Mechanic.


Essential Duties/Responsibilities:

  • Recognizes safety hazards and follows safety guidelines for personal protection, protection of fellow workers and the protection of the public.
  • Knowledgeable of environmental rules and regulations, and effectively apply them to all work situations.
  • Installs, maintains, tests, inspects, and repairs generating station equipment such as boilers, turbines, pumps, condensers, heat exchangers, and pressure vessels.
  • Replaces bearings, packing in pumps and valves, shaft seals, sleeves, seats, and other miscellaneous parts used in plant equipment.
  • Works with apprentice mechanics and skill enhancement employees to teach proper, safe use of tools and maintenance procedures.
  • Employee must arrange own transportation to work location and may be reassigned to another location at the Company’s discretion.



Working Conditions:

  • Power plant environment
  • Work irregular or rotating shifts and respond to emergency callout 7 days a week, 24 hours a day.



Minimum Requirements:

  • High school diploma, GED or equivalent knowledge of English, mathematics, and grammar.
  • Completion of Mechanic Apprentice Program to include on-the-job training (three years) or equivalent experience and skill to include on-the-job training.


Additional Knowledge, Skills and Abilities:

  • Have necessary skills and adequate industrial mechanical maintenance experience in the repair, inspection, and/or maintenance of related power plant or machine shop equipment including inspection and preventative maintenance, troubleshooting, fabricating and diagnostics.
  • Have basic mechanical aptitude skills.
  • Ability to work in mentally stressful environments: must be able to react to crises where immediate action is required to correct or curtail potentially damaging or hazardous situations.
  • Ability to use hand tools (e.g. wrenches, screw drivers, sledge hammers, etc.)
  • Ability to operate Company vehicles and equipment (e.g. forklift, mobile crane, etc.) and maintain operating licenses and certifications. TDL is required.
  • Knowledge of rotating equipment and general industrial maintenance activities and procedures.
  • Ability to operate oxygen and acetylene torches.
  • Ability to operate machine shop equipment (i.e. drill presses, lathes and boring mills).
  • Ability to follow, interpret and act on written and verbal job instructions, and reports, technical manuals and data.
  • Ability to use basic math and geometry.
  • Ability to use measuring devices such as micrometers.
  • Ability to calculate measurements and computations used to repair and maintain power plant equipment.
  • Ability to use a personal computer and associated software.
  • Ability to Tag Out/Lock Out equipment per NRG Texas Tag Out/Lock Out procedure.
  • Ability to diagnose and correct mechanical equipment troubles and repairs or recommend major repairs.
  • Ability to perform preventative and corrective maintenance procedures on mechanical equipment.
  • Ability to perform plumbing and pipe fitting tasks.
  • Ability to set up rigging for installing and removing equipment.
  • Ability to order proper materials for job completion.
  • Ability to complete required records for work performed.
  • Ability to clean work area routinely.
  • Ability to certify as a “code” welder with proper training.
  • Ability to use gases and/or arc welding equipment for mechanical repair and fabrication of plant equipment.
  • Ability to remove and replace insulating materials with proper training.




Physical Requirements:

  • Power Plant Environment-Work both inside and outside in all temperatures and climate conditions in accordance with Heat Stress procedures. Around large rotating equipment, energized electrical equipment in high noise areas, and/or in confined places, on elevations in excess of 250 feet, or from platforms at heights of 5 feet or greater. Climb stairways, ladders, and work from aerial devices.
  • Daily work expectation requires ability to perform tasks by walking, standing, sitting, kneeling, crouching, squatting, twisting, pushing, pulling, shoveling, climbing, and working with hand tools (up to 25 pounds) in position above and below head, and extended from body to complete repairs.
  • Lift, carry, position and use tools and/or equipment (weighing up to 50 lbs.) in awkward positions, swing various weights of sledge hammers, stoop and bend to reach valves, pull on chain-falls or come-a-longs.
  • Ability to twist the body and neck while driving company vehicles or operating company equipment.
  • Performance of duties may cause frequent jarring of the body.
  • Work with and around hazardous and non-hazardous materials (reference the waste management guidance manual).
  • Must be able to wear personal protective equipment (PPE) as required i.e.…steel-toed boots, respirators, goggles, safety glasses etc.
  • Have ability to discern and respond to verbal and auditory signals.
  • Ability to discern assorted colors



This job description reflects an assignment of essential functions; it does not prescribe or restrict the tasks that may be assigned.  Other duties and tasks may be assigned to this job at the Company's discretion.


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

Official description on file with Human Resources

Nearest Major Market: Houston