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Lubbock, TX | Full Time

Job Description

Responsible for the operation, repair, maintenance, installation, and replacement of all Lubbock County’s heating, ventilation, air conditioning and refrigeration (HVAC/R) systems. Must have knowledge in residential and commercial HVAC/R systems including but not limited to: boilers, air and water-cooled chillers, pumps, cooling towers, fan coil units, air handler units, variable air volume units, gas/electric packaged rooftop, direct expansion systems, split systems, exhaust fans, walk-in freezers/refrigerators, ice machines, and all related valves, actuators, and direct digital controls (DDC) systems incorporated with said systems.

  • Adjust, program, and change HVAC/R and DDC set points for optimum efficiency and occupant comfort.
  • Inspect and analyze installed HVAC/R components for the need of repair or replacement. 
  • Install and calibrate any and all HVAC/R controllers, VFDs, valves and other system components. 
  • Perform hydrodynamic and air balancing of HVAC systems as required. 
  • Test, install, troubleshoot, service, repair, overhaul, and modify HVAC/R equipment, controls, and component parts in relation to primary and secondary comfort/critical cooling and heat distribution. 
  • Assess needs and survey vendors to provide best price quotes to comply with the County’s purchasing policies. 
  • Respond to 24-hour emergency calls and provide after-hours overtime work as needed. 
  • Write work orders and daily logs.
  • Ensure compliance with of all applicable County policies.
  • All other duties as assigned.

QUALIFICATION REQUIREMENTS: High school graduate (or equivalent) and 5 years of experience with HVAC/R related systems. Must have their EPA Universal certificate. Must have attended a certified HVAC/R school or vocational college, or through work experience on a one-on-one basis in order to receive HVAC/R certification. NATE, ASHRAE, or ACCA certified is a plus.

PHYSICAL AND ENVIRONMENTAL REQUIREMENTS: While performing the duties of this job, the employee is regularly required to sit and stand; use hands to finger motion; handle or feel; reach with hands and arms; and talk and hear. The employee must frequently bend, stoop, squat, lie down, and walk. The employee must frequently lift and/or move objects weighing up to 30 pounds, such as tools and equipment, and must occasionally lift and/or move objects weighing up to 100 pounds. Specific vision abilities required by this job includes close vision, distance vision, peripheral vision, and ability to adjust focus and perceive color. Vision may be corrected with glasses or contact lenses. Employee will be required to work in an office and warehouse setting with standard incandescent, LED, and fluorescent lighting; to handle and properly dispose of hazardous chemicals; and work in areas of loud noise. Employee must also be able to tolerate outside weather conditions extremes. Must be able to work in areas of extreme and potentially hazardous noise levels and areas that with to high dirt and dust exposure.

KNOWLEDGE, SKILLS, AND ABILITIES: Able to read and interpret controls, electrical drawings, blueprints, schematic diagrams, and system operation or installation manuals. Must have an in-depth understanding of HVAC/R systems. Able to organize and prioritize assigned tasks with little supervision. Perform mathematical calculations to troubleshoot systems and find faults. Must be able to communicate effectively, both orally and in writing. Establish and maintain effective working relationship with coworkers, contractors, and the public. Good understanding of refrigerant cooling, cooling and heating hydronic systems, gas and electric furnaces, heat pumps, walk-in coolers, freezers, and ice machines.