Mechanic Machinist

Date:  Sep 14, 2022

HOUSTON, TX, US, 77034

Company:  NRG

As an NRG employee, we encourage you to think creatively and proactively about your career choices.  Our work environment is dynamic and the career opportunities across our businesses offer variety and challenge.  Providing career growth to our own employees is critical to our ongoing success--take charge of your career goals and empower your future!



Provide manual machinist support of power generation equipment in the Central Repair Shop.

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.
  •   Ability to operate manual lathes to 138” swing, manual boring mills to 17’ swing, and largmanual horizontal boring machines.
  •    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 Companys discretion.


Working Conditions:

  • Machine Shop and Power Plant environmen
  • Power Plant Environment-Work both inside and outside in all temperatures and climate conditions in accordance with Heat Stress procedures.
  • Work 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
  • Must be prepared to work irregular or rotating shifts and respond to emergency callout 7 days a week, 24 hours a day.
  • 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
  • Must be able to wear personal protective equipment (PPE) as required i.e.…steel-toed boots, respirators, goggles, safety glasses etc.


Minimum Requirements:

  • High school diploma, GED or equivalent knowledge of English, mathematics and grammar.
  • Journey level mechanical aptitude skills and adequate industrial mechanical maintenance experience (minimum 3 years’ apprentice program or other training) in the repair, inspection, and/or maintenance of related power plant or machine shop equipment including inspection and preventative maintenance, troubleshooting, fabricating and diagnostics
  • 5 years’ Machinist experience required
  • Large lathes, mills, vertical boring machines and horizontal boring machine.
  • Strong math skills.
  • All external candidates must have a score of Recommended on the pre-employment assessment.


Additional Knowledge, Skills and Abilities (KSAs):

  • 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:

  • 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).
  • Ability to discern and respond to verbal and auditory signals.
  • Ability to discern assorted colors


The NRG Energy Services Repair Shop is a 100,000 sq. ft. air-conditioned shop located at I-45S and Beltway 8.  It is an OSHA VPP Star Site and is ISO 9001:2015 Certified.



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/Vet/Disability  

Official description on file with Human Resources.

Nearest Major Market: Houston