HVAC Mechanic III

Location: Mexia

Join the Texas Health and Human Services Commission (HHSC) and be part of a team committed to creating a positive impact in the lives of fellow Texans. At HHSC, your contributions matter, and we support you at each stage of your life and work journey. Our comprehensive benefits package includes 100% paid employee health insurance for full-time eligible employees, a defined benefit pension plan, generous time off benefits, numerous opportunities for career advancement and more.

Explore more details on the Benefits of Working at HHS webpage.

Functional

Title:

HVAC Mechanic III

Job Title:

HVAC Mechanic III

Agency:
Health & Human Services Comm

Department:
Plant Maintenance

Posting Number: 13469

Closing Date: 03/05/2026

Posting Audience:
Internal and External

Occupational Category:
Installation, Repair, and Maintenance

Salary Group: TEXAS-A-20

Salary Range: $4,263.16 - $6,779.16

Pay Frequency:
Monthly

Shift: Day

Additional

Shift:

Telework:
Not Eligible for Telework

Travel:
Up to 10%

Regular/Temporary:
Regular

Full Time/Part Time:
Full time

FLSA Exempt/Non-Exempt:
Nonexempt

Facility

Location:

Mexia State Supported Living Center

Job Location City: MEXIA

Job Location Address: 540 CHAPEL DRIVE

Other Locations:

MOS Codes: ,3E1X1,91C,EN,MK,MM,UT

Brief

Job Description:

Come work in an environment where we truly value and respect those we serve and believe in the mission that all people can achieve a higher level of wellness and independence.

The state supported living centers serve people with intellectual and developmental disabilities who are medically fragile or who have behavioral problems. The centers provide campus-based direct services and supports at 13 centers located throughout the state. Learn About Our State Supported Living Centers

If you are looking for a place to work where you can establish a career that is filled with purpose, this is the job for you!

The HVAC Mechanic III, Lead HVAC Mechanic, performs advanced (senior level) work in the heating, ventilation, and air conditioning (HVAC) building maintenance and construction trade at a State Supported Living Center or State Hospital. Maintains safe and uninterrupted heating and air conditioning services to facility operations and utility systems in accordance with Texas Administrative Code (T.A.C.) and life safety code standards.

Collaborates with maintenance supervisor on long-term HVAC maintenance and renovation projects. Work involves performing, scheduling and/or overseeing the work of installation, adjustments, alterations, inspections, maintenance, repairs, and restorations of chilled water systems, direct exchange systems, refrigerated systems, heating systems to include boilers/steam systems, and automated controls. Works on refrigeration units, such as ice machines, walk in freezer vaults, and residential refrigerators, and water-based heating and cooling systems such as chillers and boilers.

Assigns, schedules and prioritizes the work of other staff assisting with HVAC work to accomplish daily and weekly tasks most effectively. Maintains accurate records of equipment performance and work completed. Serves a team lead on HVAC projects and develops the schedules for routine work. Trains others to perform HVAC work and use the equipment commensurate with skills and training. Performs and documents inspections in accordance with applicable life safety code standards.

Assists in air quality sampling. Oversees and monitors controls, temperatures and humidity levels, and monitors energy consumption. Changes filters routinely, and air handler belts and other parts as necessary. Coordinates parts and material acquisition requirements. Properly uses, cleans, stores, inventories and performs minor repairs on tools used. Works as a team member with other members of the maintenance department and/or other employees to complete tasks including, but not limited to, operating motorized vehicles, making deliveries, and picking up supplies.

Performs other duties as assigned to ensure the overall safe operations of the facility. As needed, works some weekend and/or after-hours callouts, to respond to situations impacting safe facility operations. Works under the minimal supervision of a maintenance technician lead person or other appropriate staff depending on facility structure, with extensive latitude for the use of initiative and independent judgment.

Essential Job Functions (EJFs):

Attends work on a regular basis and may be required to work a specific shift schedule or, at times, even a rotating schedule, extended shift and/or overtime in accordance with agency leave policy and performs other duties as assigned. May serve in an on-call status on a rotating schedule as required to meet operational needs of the facility.

Oversees and/or performs installation, adjustments, alterations, inspections, maintenance, repairs, and restorations of chilled water systems, direct exchange systems, refrigerated systems, heating systems to include boilers/steam systems, and automated controls, utility…