Sr HVAC Technician

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 extensive knowledge in residential and commercial HVAC/R systems, including, but not limited to gas and electric furnaces; air conditioners and electrical equipment; packaged rooftop units; split systems; air handlers; ice machines; and walk-in coolers and freezers; 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 components for needed maintenance, repairs, 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.
• Maintain, troubleshoot, repair, and install commercial HVAC/R equipment and packaged rooftop units
• Knowledge of basic electrical systems including low voltage, line voltage, and 220-480V three phase
• Familiarity with HVAC functional design, ductwork sizing, and installation
• Perform hydrodynamic and air balancing of HVAC systems as required.
• Respond to 24-hour emergency calls and provide after-hours overtime work as needed.

• Responds to emergency situations as required; i.e., fire, medical, terrorist, injuries, bomb threats, breaches of security, and notifying security officers.

• Assist in identifying system depreciation and failures for to incorporate repairs or replacements into the Department’s projected 5-/10-year plan.
• Complete work orders and daily logs of work performed.
• Ensure compliance with all applicable County policies.
• All other duties as assigned.

Supervise and train facilities team members as required. Supervise correctional facility and work release personnel to perform assigned tasks as required.

High school graduate (or equivalent) and 8+ years of experience in the areas of commercial HVAC/R installation, service, and maintenance. Must have 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.

Able to read and interpret controls, electrical drawings, blueprints, schematic diagrams, and system operation/installation manuals. Must have an in-depth understanding of HVAC/R systems and knowledge of computerized Energy Management Control Systems to properly diagnose and troubleshoot such systems. Able to organize and prioritize assigned tasks with little to no 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 relationships with coworkers, contractors, and the public. Proficient understanding of refrigerant cooling, cooling, and heating hydronic systems, gas and electric furnaces, heat pumps, walk-in coolers, freezers, and ice machines. Strong understanding of applicable code 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 be able to carry, move and climb ladders. 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…