Industrial HVAC Maintenance Technician III - 1st Shift

Caterpillar•Seguin, TX

12h•$29 - $38

About The Position

As an Industrial HVAC Maintenance Technician III , you will ensure the reliable operation, safety, and efficiency of complex commercial and industrial HVAC systems across multiple facilities. In this role, you will perform advanced troubleshooting, maintenance, and repairs on chillers, compressors, cooling towers, heat exchangers, and other large‑scale mechanical systems. You will work independently, respond to service needs with minimal supervision, and travel between sites as required. This position is ideal for a licensed HVAC professional with strong industrial/commercial experience who thrives in hands‑on environments and takes pride in keeping critical building systems operating at peak performance.

Requirements

Active HVAC license or recognized HVAC Certification
Minimum of 5 years of work experience in maintaining, troubleshooting, and repairing industrial/commercial HVAC systems
Strong troubleshooting skills with chillers, compressors, cooling towers, air handlers, and large‑scale HVAC systems
Experience working with refrigerants, recovery systems, leak detection, and EPA guidelines
Ability to read and interpret mechanical drawings, HVAC schematics, wiring diagrams, and technical manuals
Proficiency with standard HVAC tools, diagnostic instruments, gauges, and test equipment
Solid understanding of industrial electrical systems including motors, contactors, relays, and VFDs
Strong mechanical aptitude with pumps, bearings, belts, valves, and fluid/airflow systems
Ability to sit or stand for prolonged periods of time
Ability to perform repetitive operations
Ability to lift up to 35 lbs.
Resumes are highly encouraged
Former Caterpillar employees must meet rehire eligibility guidelines for consideration
Must successfully complete a background, drug, and medical screening

Nice To Haves

Experience servicing shell‑and‑tube or plate‑and‑frame heat exchangers
Industrial facility maintenance experience in manufacturing, heavy equipment, or large commercial buildings
Familiarity with building automation systems (BAS/BMS)
EPA 608 Universal Certification

Responsibilities

Perform preventive, corrective, and predictive maintenance on industrial HVAC systems, including chillers, cooling towers, rooftop units, air handlers, and compressors
Troubleshoot, diagnose, and repair HVAC mechanical and electrical issues to minimize downtime and maintain optimal building performance
Inspect, maintain, and repair shell‑and‑tube and plate‑and‑frame heat exchangers
Work independently to respond to service requests across multiple facilities with minimal disruption to operations
Monitor and maintain HVAC control systems, ensuring proper calibration and configuration
Conduct system testing, airflow measurements, refrigerant checks, and equipment performance evaluations
Maintain accurate documentation including work orders, equipment logs, parts usage, and service reports
Recommend process improvements to enhance system reliability, energy efficiency, and environmental compliance
Work as a contributing member of the maintenance team to provide the best service and maximize uptime of the production facilities
Complete work order processes documentation for complete work history and parts inventory tracking
Submit and assist with the creation and resolution of Continuous Improvement Cards
Follow all safety standards including lockout/tagout, refrigerant handling best practices, and OSHA/EPA requirements
Work cooperatively as a team with engineering, operations, logistics, janitorial, quality, and environmental health and safety departments