HVAC Technician I, Service

Company: Karber Corporation
Location: San Antonio
Posted on: February 18, 2026

Job Description:

Job Description Job Description NOW HIRING! Karber Corporation (K CORP) is a full-service mechanical and plumbing contractor. Our projects span data centers, healthcare, manufacturing, schools, aviation, office, and hospitality sectors. We believe that talent comes from all walks of life. Ambition and hard work are the only prerequisites to achieving your goals at K CORP. Whether you aspire to become a highly skilled tradesperson or the president of our company, there are no limits to what you can achieve here! As a Commercial HVAC Plumbing Service Technician, you will be the go-to expert for diagnosing HVAC system performance, troubleshooting electrical issues, and keeping systems running smoothly. You'll play a key part in managing service contracts, handling projects, and responding to service calls, all while fostering strong relationships with our valued customers. We prioritize safety and efficiency, and you will have the opportunity to work independently while contributing to the success of the team and our mission. WHAT WE OFFER: Competitive hourly rate Comprehensive benefits including Medical, Dental, Vision, Life & AD&D, and Disability 401(k) Traditional & Roth retirement savings with Employer Match Contribution Employee Discount Program Employee Assistance Program (EAP) Paid Time Off Paid Holidays A collaborative work environment Opportunities for career growth in a rapidly expanding company Company truck Fuel card OUR CORE VALUES: We do what is right: Being ethical and transparent every step of the way. We show up: Fully for our customers, our business, and each other, every single time. We take pride: In bringing buildings to life. We own our actions: And deliver on our promises. We stay true: Embracing relentless growth and fostering unstoppable collaboration. We have fun: While being awesome. ESSENTIAL DUTIES: Diagnoses HVAC system performance through observation, testing, and setup as required by trade/position and type/size. Proficient in the electrical diagnostics of HVAC equipment. Proficiently operates hand tools, power tools, gauges and measuring equipment. Performs disassembly and reassembly of large or small commercial or residential HVAC equipment to perform troubleshooting and planned maintenance as indicated in the service agreement. Completes service contracts, quoted projects, and demand service calls while maintaining profitability. Develops long-term relationships with customers and explains work performed to the customer's satisfaction. Participates in technician on-call-stand-by rotation as dictated by department policies and procedures. Safely drives a motor vehicle and trailer as evidenced by past driving performance record. Adheres to all company safety requirements. Purchases materials and issues purchase order numbers to suppliers. Maintains equipment, tools, and inventory stock on service vehicle. MINIMUM REQUIREMENTS: Level I Technician - must have proven experience as a technician or in a similar role. Level II and III Technician - must have a At least 2 years of experience in HVAC. High School Diploma or GED is required. A two-year technical degree in a related field is preferred. Must possess required registrations, professional licenses and/or certifications as required by the position. Universal EPA Certified. REQUIRED SKILLS: HVAC Unitary: Split systems, VRF/VRV, Roof Top packaged systems, Self-contained systems, water-cooled and air-cooled, CRAC units – Liebert/Data Aire/Stultz. Proficient in air cooled chiller service and repair. HVAC Airside skills, Fan Powered Box, and VAV. VFD Air Handler: Theory of AHU operation and Theory of control valve operation. Exhaust fans: Centrifugal Up blast Roof Fans and Centrifugal Inline Fan. Cooling Tower: Ability to perform maintenance on cooling towers. • Monday to Friday • On call • Weekends as needed Expected hours: 40 – 60 per week

Keywords: Karber Corporation, Austin , HVAC Technician I, Service, Engineering , San Antonio, Texas