Chiller​/Boiler Specialist

HVAC Professional

Travis County Facilities Management Department is seeking a skilled HVAC professional to assist with maintaining and repairing climate control systems in County buildings. This role focuses heavily on maintaining complex mechanical infrastructure and optimizing efficiency via modern Building Automation Systems (BAS) and direct digital controls (DDC), along with refrigerant monitors and refrigerant logging. Performs routine maintenance and repair on chilled water cooling systems (air and water cooled chillers and cooling towers) and hot water/steam heating systems, including related equipment.

Performs skilled journey level 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

DISTINGUISHING CHARACTERISTICS:

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 journey level of HVAC work on large chiller water refrigeration systems/boilers. This classification may require work in secure facilities. 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, including related equipment.
• Performs daily, weekly and monthly inspection, testing, certification, maintenance and repairs on the large chilled water and heating systems.
• Maintains Refrigerant logs and Refrigerant Monitors 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 assigned boilers, operates and bleeds feed equipment to ensure proper operation, chemically tests system water, checks motors, pumps and couplings prior to winter startup.
• Checks steam lines and gas pressure to boilers. Provides summer shut down of heating systems.
• 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.

Education and Experience:

Associate's degree in a technical field AND five (5) years of experience in chiller and boiler maintenance field, including two (2) years of experience in maintenance of large chiller units; OR, 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.

Licenses, Registrations, Certifications, or Special Requirements:
Environmental Protection Agency (EPA) Universal Certification. Must have a valid Texas Driver's License. Must pass a criminal background check for CJIS clearance. Applicants are required to successfully pass the background investigation, including fingerprint clearance. Preferred:
Chiller Mechanic Certification by at least one major chiller manufacturer. Knowledge, Skills, and Abilities:
Knowledge of HVAC codes, related terminology, practices and procedures. Standard HVAC maintenance and repair methods, materials, tools and equipment. Centrifugal/screw chillers, hot water and steam boiler systems and associated systems. Proper procedures for working with and containing freons. Preventive maintenance schedules and procedures for major chiller/heating systems. Remote and other DDC systems to monitor system operations. 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, spreadsheets, databases and a variety of software packages. Business letter writing, grammar and punctuation, and report preparation. Skill in Operating and using standard HVAC tools and equipment. Installing and maintaining HVAC work. Reading and interpreting schematics and blueprints.

Proper and applicable safety practices, procedures and regulations. Working with others, including on a team. Explaining complicated problems in simple…