Senior Maintenance HVAC Technician

Job Description – Senior Maintenance HVAC Technician

Job Title: Senior Maintenance HVAC Technician
Duration: 3 Months (Potential for Full-Time Conversion)
Location: Santa Monica, CA
Shift: 1st Shift
Schedule: Monday–Friday, 7:00 AM – 3:30 PM

Interview Process

• Round 1: 30-minute phone screening
• Round 2: 1.5-hour onsite interview with the team

Position Summary

We are seeking an experienced Senior Maintenance HVAC Technician to support HVAC and critical environmental control systems within a GMP pharmaceutical/biotechnology manufacturing facility. This position is responsible for maintaining reliable, compliant, and efficient HVAC operations across cleanrooms, laboratories, and production areas while ensuring compliance with FDA, EU GMP, and ISO standards.

The ideal candidate will serve as the HVAC subject matter expert, leading troubleshooting efforts, supporting validation activities, optimizing system performance, mentoring junior technicians, and collaborating with Quality, Engineering, Manufacturing, and EHS teams.

Key Responsibilities

• Perform preventive, predictive, and corrective maintenance on HVAC equipment including:
  • Air Handling Units (AHUs)
  • Chillers
  • Boilers
  • Heat exchangers
  • VAV systems
  • Exhaust systems
  • Dehumidifiers
  • Split systems
• Maintain cleanroom environmental conditions including:
  • Temperature
  • Humidity
  • Differential pressure
  • Airflow
  • HEPA filtration
• Monitor, troubleshoot, and optimize Building Management Systems (BMS), Environmental Monitoring Systems (EMS), and SCADA platforms.
• Perform calibration of HVAC sensors including temperature, humidity, pressure, and airflow devices.
• Support HVAC qualification activities including IQ, OQ, and PQ documentation.
• Investigate HVAC deviations and environmental excursions using Root Cause Analysis (5 Why, Fishbone) and implement CAPA.
• Maintain GMP-compliant documentation including maintenance records, SOPs, calibration reports, and work orders.
• Support FDA and internal audits by maintaining validated HVAC systems and complete maintenance records.
• Improve HVAC efficiency through energy optimization initiatives, control strategies, and system upgrades.
• Plan HVAC shutdowns, preventive maintenance, contractor coordination, and capital projects.
• Ensure compliance with safety procedures including:
  • Lockout/Tagout (LOTO)
  • Confined Space
  • Hot Work
  • Arc Flash
  • EPA refrigerant handling requirements
• Mentor junior technicians on HVAC troubleshooting, GMP practices, and SOP compliance.
• Manage spare parts inventory and utilize CMMS for preventive maintenance planning.
• Collaborate with Manufacturing, Validation, Facilities Engineering, Quality, and Operations teams.

Required Qualifications

Education

• Technical diploma or accredited apprenticeship in HVAC, Mechanical, or Building Services
• Bachelor's degree in Mechanical or Building Engineering is a plus

Experience

• 6–10+ years of HVAC maintenance experience
• Minimum 3–5 years supporting pharmaceutical, biotech, or other GMP-regulated manufacturing facilities
• Hands-on experience supporting cleanroom HVAC systems
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