HVAC Technician – Third Shift (Overnight)

Catalyx is seeking a reliable and experienced HVAC Technician to join our overnight operations team. This third-shift role is responsible for maintaining, troubleshooting, repairing, and optimizing commercial HVAC systems during overnight hours to minimize disruption to building operations. The ideal candidate has strong diagnostic skills, experience with preventative maintenance programs, and the ability to work independently in a fast-paced environment. Key Responsibilities · Perform preventative maintenance on HVAC equipment including RTUs, chillers, boilers, split systems, air handlers, cooling towers, and ventilation systems · Diagnose and repair mechanical, electrical, and control system issues · Monitor building automation systems (BAS) and respond to alarms or system failures · Conduct inspections to ensure systems operate efficiently and meet safety standards · Replace filters, belts, motors, coils, thermostats, and other HVAC components · Maintain accurate service records, maintenance logs, and work orders · Respond to overnight emergency service calls and urgent repairs · Ensure compliance with OSHA, EPA, and company safety procedures · Coordinate with facility management and day-shift teams regarding ongoing repairs or operational concerns · Assist with energy efficiency initiatives and system performance optimization Requirements · High school diploma or GED required · HVAC certification or technical training preferred · EPA Universal Certification required · 3+ years of commercial HVAC maintenance or service experience preferred · Knowledge of electrical systems, refrigeration cycles, controls, and preventative maintenance practices · Ability to read blueprints, schematics, and technical manuals · Strong troubleshooting and problem-solving skills · Ability to work independently with minimal supervision · Valid driver’s license and clean driving record preferred Physical Requirements · Ability to lift up to 50 pounds · Ability to stand, walk, bend, climb ladders, and work in confined spaces · Comfortable working indoors and outdoors in varying temperatures · Ability to work overnight shifts consistently Preferred Skills · Experience with building automation systems (BAS) · Familiarity with CMMS/work order software · Strong communication and documentation skills · Experience in healthcare, industrial, manufacturing, or commercial facilities environments Why Join Catalyx? At Catalyx we understand that our people are our greatest asset. For this reason and many others, we take care of them. The team in Catalyx benefits from a Total Rewards package. This includes great personal benefits and professional growth opportunities. Catalyx is an Equal Opportunity Employer. We are committed to creating a diverse and inclusive workplace where all individuals are valued, respected, and supported. We do not discriminate on the basis of race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, veteran status, genetic information, or any other characteristic protected by applicable law. We encourage applications from all qualified candidates, regardless of background, and strive to create a welcoming environment for everyone. At Catalyx, we are committed to attracting the best global talent. We proudly support our international employees by offering assistance with Critical Skills Visa applications for eligible candidates.