Facilities Technician 4 - HVAC/Refrigeration

Illumina•San Diego, CA

1d•$33 - $49•Onsite

About The Position

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.

Requirements

Requires 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.

Nice To Haves

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.

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.

Benefits

We offer a wide range of benefits as innovative as our work, including access to genomics sequencing, family planning, health/dental/vision, retirement benefits, and paid time off.
We are a company deeply rooted in belonging, promoting an inclusive environment where employees feel valued and empowered to contribute to our mission.
Built on a strong foundation, Illumina has always prioritized openness, collaboration, and seeking alternative perspectives to propel innovation in genomics.
We are proud to confirm a zero-net gap in pay, regardless of gender, ethnicity, or race.
We also have several Employee Resource Groups (ERG) that deliver career development experiences, increase cultural awareness, and offer opportunities to engage in social responsibility.

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