Senior HVAC Maintenance Technician – GMP Facility

Gilead Sciences Inc.; La Verne (CA); On-site; USD 93,000 - 120,000; Full time

Job summary

Gilead Sciences Inc. in La Verne, CA is seeking a Senior Maintenance Technician (HVAC) to troubleshoot, maintain, repair and optimize HVAC and related utility systems across the site supporting GMP manufacturing.

You will inspect air handlers, chillers, pumps, BAS/BMS controls, and participate in commissioning and qualification activities. The role requires at least 5 years of experience in commercial/industrial HVAC, EPA Universal Refrigerant Certification, and proficiency with CMMS (Maximo).

Qualifications

• High School Diploma or equivalent.
• Minimum of 5 years of experience maintaining commercial or industrial HVAC systems.
• Experience troubleshooting and repairing HVAC equipment in a manufacturing, pharmaceutical, biotech, or regulated environment.
• EPA Universal Refrigerant Certification.
• Experience using CMMS software for work order management and documentation.

Responsibilities

• Troubleshoot, repair, and maintain commercial and industrial HVAC equipment.
• Perform preventive and corrective maintenance on HVAC and facility utility equipment.
• Diagnose system failures using manuals, drawings, and P&IDs.
• Monitor temperature, humidity, differential pressure, and airflow in GMP environments.
• Support BAS/BMS and HVAC control troubleshooting.
• Coordinate maintenance activities with supervisors and site stakeholders.
• Document maintenance activities using CMMS and participate in shutdown planning.

Skills

Troubleshooting

Communication

Problem-solving

Safety practices

LOTO

Confined space

Hot work

Reading drawings

Teamwork

HVAC theory

Education

High School Diploma or equivalent

Associate degree or technical certification in HVAC

Tools

CMMS (Maximo)

BAS/BMS platforms

Job description

Gilead Sciences Inc. in La Verne, CA is seeking a Senior Maintenance Technician (HVAC) to troubleshoot, maintain, repair and optimize HVAC and related utility systems across the site supporting GMP manufacturing.

You will inspect air handlers, chillers, pumps, BAS/BMS controls, and participate in commissioning and qualification activities. The role requires at least 5 years of experience in commercial/industrial HVAC, EPA Universal Refrigerant Certification, and proficiency with CMMS (Maximo).