Facilities Technician 4 - HVAC/Refrigeration

What if the work you did every day could impact the lives of people you know? Or all of humanity? At Illumina, we are expanding access to genomic technology to realize health equity for billions of people around the world. Our efforts enable life-changing discoveries that are transforming human health through the early detection and diagnosis of diseases and new treatment options for patients. Working at Illumina means being part of something bigger than yourself. Every person, in every role, has the opportunity to make a difference. Surrounded by extraordinary people, inspiring leaders, and world changing projects, you will do more and become more than you ever thought possible. The HVAC-R Technician IV is a senior-level technical specialist responsible for the advanced operation, maintenance, troubleshooting, and repair of complex heating, ventilation, air conditioning, and refrigeration (HVAC-R) systems. This position serves as a subject matter expert (SME) for HVAC-R and central plant systems, supporting mission-critical operations through technical leadership, independent problem-solving, and mentorship of other technicians. Essential Duties and Responsibilities - Perform advanced diagnostics, maintenance, and repair of complex HVAC-R systems, including air handling units, chillers, boilers, cooling towers, exhaust systems, refrigeration equipment, and associated electrical and control systems. - Lead preventive and predictive maintenance activities for HVAC-R and central plant assets to ensure reliability, efficiency, and compliance. - Serve as the technical authority for complex HVAC-R troubleshooting, root cause analysis, and system optimization. - Interpret and apply blueprints, schematics, P&IDs, control sequences, and commissioning documentation. - Support installation, modification, testing, and commissioning of HVAC-R systems in coordination with Engineering and Facilities teams. - Act as the technical liaison for HVAC-R contractors and vendors, including scope development, oversight, and quality verification. - Provide mentorship, technical guidance, and on-the-job training to Technicians I–III. - Accurately document maintenance activities, inspections, and repairs in the CMMS. - Participate in an on-call rotation and respond to HVAC-R related emergencies as required. Required Qualifications -R equires a minimum of 4 - 6 years of related experience. - Extensive experience as an HVAC-R technician in a commercial, industrial, or mission-critical environment. - Expert-level knowledge of HVAC-R systems, central plant operations, and associated electrical and control systems. - Demonstrated ability to independently troubleshoot and resolve complex technical issues. - Ability to read and interpret technical drawings, schematics, and specifications. - Ability to work independently and provide technical leadership with minimal supervision. - Valid driver’s license and ability to respond to after-hours calls. Preferred Qualifications - EPA Section 608 Universal Certification. - Advanced experience with Building Automation Systems (BAS) and HVAC controls. - Experience working in regulated, GMP, life-science, manufacturing, or mission-critical environments. - Completion of a formal HVAC-R apprenticeship or advanced trade certification. - Experience supporting capital projects, system retrofits, or equipment commissioning. Physical Requirements This position requires the ability to perform physically demanding tasks, including lifting up to 50 pounds, climbing ladders, working at heights, and working in confined spaces. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions. Work Environment Work is performed in mechanical rooms, rooftops, central plants, and occupied facilities. The role may involve exposure to noise, temperature extremes, and industrial equipment. Equal Employment Opportunity The company is an equal opportunity employer ... (truncated, view full listing at source)