HVAC Technician; Chiller Certified

Position: 2025-2026 HVAC Technician (Chiller Certified)
Position Type:
Maintenance/Custodial/HVAC Technician

Date Posted:
1/13/2026

Location:
Maintenance Department

Closing Date:
Until Filled
IF YOU ARE A CURRENT MISSION CISD EMPLOYEE,
PLEASE SUBMIT A COMPLETE TRANSFER FORM
VIA THE INTERNAL APPLICANTS' LINK
VACANCY
HVAC Technician (Chiller Certified)
JOB DESCRIPTION

REPORTS TO:

Director for Maintenance/Facilities/Construction, and HVAC Supervisor

Final date to receive applications:

Until Filled

LENGTH OF WORK YEAR:

260

DATE REVISED:

08/23/2024

WAGE/HOUR STATUS:

Non-Exempt

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HOURLY RANGE:

$21.60 - $29.82
Minimum - Maximum

PAY GRADE:

AU-08

PRIMARY PURPOSE:
To provide students and staff with a safe, attractive, and comfortable environment by supervising the operation and maintenance of all heating, ventilation, and air conditioning systems in the district in a condition of safety, neatness, and aesthetic attractiveness. The HVAC Technician also performs complex heating, ventilation and air conditioning (HVAC) work while working under limited supervision. The HVAC Technician works with considerable latitude for the use of initiative and independent judgment.

QUALIFICATIONS:
Education/Certification:

High school diploma or GED preferred

HVAC Technical school certification or Texas Air Conditioning and Refrigeration license required

Refrigeration recovery certification (preferred)

Water-Cooled/Air-Cooled Chillers Certificate (preferred)

Must have and maintain a valid Texas driver's license and be insurable

Special Knowledge/Skills:

Knowledge of HVAC repairs, maintenance, and installation techniques

Ability to read and interpret blueprints, diagrams, schematics, and written reference material

Ability to diagnose and resolve problems

Ability to use hand and power tools

Computer knowledge and competence or ability to gain such knowledge

Experience:

At least five years experience in HVAC field

Three years experience in chill water system, cooling towers, and HVAC computer controls

At least three years experience in the HVAC Computer Maintenance programs (preferred)

MAJOR RESPONSIBILITIES AND DUTIES:

Leads a crew in the completion of assigned work orders.

Assists in the operation and maintenance of all HVAC and refrigeration equipment in the district.

Diagnoses and repairs malfunctions in various types of heating and air conditioning systems, including rooftop equipment.

Installs, relocates, and/or expands new heating and air conditioning systems, HVAC systems and components as needed.

Repairs, replaces, or calibrates controls, thermostats, switches, fuses, and electrical wiring.

Fabricates, assembles, and installs duct work and piping according to specifications and code.

Wires and connects motors, compressors, temperature controls, and humidity controls according to wiring schematics.

Maintains Freon dispensing records to meet federal requirements.

Maintains preventive maintenance schedules and procedures for all HVAC tools and equipment, including changing of filters and cleaning condensers and coils.

Performs duct cleaning and air quality testing as needed.

Selects material and hardware and makes time and materials estimates.

Maintains accurate records on material and labor used.

Inspects jobs upon completion and ensures areas are clean.

Works with building principals and supervisors to complete projects.

Detects needed repairs on equipment following established inspection procedures.

Responds to emergency calls as needed.

Follows established safety procedures and techniques to perform job duties, including lifting, climbing, etc.; ensures that equipment is in safe operating condition and operates tolls and equipment accordingly

Corrects unsafe conditions in work area and reports any conditions that are not correctable to supervisor immediately.

Performs thermostatic adjustments and troubles shoot problems utilizing HVAC computerized software.

Ensures vehicles, equipment, and tool boxes are locked and secure at all times while vehicle is left unattended.

Performs all duties in a safe manner to avoid injury to oneself and/or others.

Performs other related duties as assigned.

SUPERVISORY RESPONSIBILITIES:
Assists and supports the HVAC Department in managing, directing, supervising and training of an effective staff to…