HVAC Refrigeration Mechanic

The HVAC Refrigeration Mechanic performs skilled HVAC work for preventive maintenance, repairs, and additions to County heating, ventilation, air conditioning and refrigeration (HVAC) systems, including preventive maintenance and repairs on large chillers, heating boilers, water treatment systems and associated equipment. Serves as Technical Quality Assurance Evaluator on any contracted work on these systems. Performs all work in accordance with adopted building codes using appropriate safety procedures.

Travis County offers a premier Total Rewards Package that includes a highly rated retirement plan, vacation and sick leave, 3 personal holidays, 12 company holidays, longevity pay, tuition reimbursement, medical, dental, and vision, and a free employee health care clinic.

This is a job classification within the Skilled Trades job family. This classification is distinguished by the additional experience and the ability to perform skilled HVAC work on large chiller water refrigeration systems/boilers. This classification works in secure facilities located within a correctional environment in proximity to inmates. This classification may require a flexible work schedule in order to meet the needs of the department.

• Performs routine maintenance and repair on chilled water cooling systems and hot water/steam heating systems, package units and split systems, including related equipment.
• Performs daily, weekly and monthly inspection, testing, certification, maintenance and repairs on all aspects of the heating, cooling and ventilation systems.
• Maintains equipment logs for assigned systems.
• Inspects and corrects settings for control, and safety devices associated with chillers/boilers.
• Opens and inspects chillers, condensers, cooling towers, belts, valves, back-flow prev enters and motors.
• Opens, inspects and cleans boilers, operates and bleeds feed equipment to ensure proper operation, checks motors, pumps and couplings
• Checks steam lines and gas pressure to boilers.
• Monitors expiration dates for boiler certifications and schedules inspections.
• Provides technical quality assurance evaluations for contractor work on assigned systems.
• Provides on-the-job training and serves as crew leader for mechanics on chiller/boiler systems.
• Researches and estimates time and materials needed and records time and materials used. Requests for needed tools, equipment, supplies and materials to perform assigned tasks. Monitors expenditure of supplies and controls inventory of equipment and tools.
• Performs other job-related duties as assigned.

• Associate's degree in a technical field AND five (5) years experience in chiller and boiler maintenance field, including two (2) years experience in maintenance of large chiller units;
• Seven (7) years experience in chiller and boiler maintenance field, including two (2) years of documented experience in maintenance of large chiller units;
• Any combination of education and experience that has been achieved and is equivalent to the stated education and experience and required knowledge, skills, and abilities sufficient to successfully perform the duties and responsibilities of this job.

• Environmental Protection Agency (EPA) Universal CFC Certification.
• Valid Texas Driver's License.

• Chiller Mechanic Certification by at least one major chiller manufacturer.
• Three (3) to five (5) years of correctional or institutional experience.

• HVAC codes, related terminology, practices and procedures.
• Standard HVAC maintenance and repair methods, materials, tools and equipment.
• Chillers, hot water boiler systems and associated systems.
• Proper procedures for working with and containing refrigerants
• Preventive maintenance schedules and procedures for major chiller/heating systems.
• Remote and other DDC systems to monitor system operations. BAS
• Chilled water expansion systems.
• Federal, State, Local and County applicable laws, guidelines, rules, regulations and applicable carpentry standards and procedures.
• Computer equipment to include word processing,…