AstraZeneca

Senior HVAC Maintenance Technician

AstraZeneca$71K — $107K *
Pharmaceuticals & Biotech
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Technical diploma/apprenticeship in HVAC/Mechanical/Building Services; bachelor's degree in Mechanical/Building is a plus.
  • 6-10+ years of HVAC maintenance experience, particularly in pharma/biotech or regulated GMP environments, with essential cleanroom HVAC experience.
  • Technical expertise in AHUs, chillers, boilers, humidity control, HEPA systems, and strong proficiency in BMS controls.
  • Knowledge of GMP practices, including ISO cleanroom classifications and aseptic requirements.
  • Experience with validation processes such as IQ/OQ/PQ, CAPA, and Change Control.
  • Advanced diagnostics skills including troubleshooting, vibration analysis, thermography, and usage of relevant instruments.
  • Soft skills such as clear communication, teamwork, and meticulous documentation, with the ability to manage stakeholders effectively.

Responsibilities

  • Lead maintenance tasks for HVAC systems ensuring compliance with GMP standards.
  • Ensure cleanroom compliance and support operations in aseptic areas.
  • Optimize and troubleshoot building management systems for efficiency and reliability.
  • Coordinate calibration efforts and validate processes with thorough documentation.
  • Drive investigations and corrective actions while maintaining compliance records.
  • Champion audit readiness and keep systems validated for regulatory inspections.
  • Plan and execute maintenance schedules including outages and capital projects.

Benefits

  • Opportunity to impact compliant manufacturing and product quality.
  • Variety of work with ownership over complex HVAC systems and processes.
  • Growth potential by acting as a subject matter expert and mentor for junior team members.
Full Job Description
What you'll do
  • Lead preventive/predictive/corrective maintenance across AHUs, chillers, boilers, heat exchangers, VAVs, exhaust, dehumidifiers, and split systems-owning temperature, humidity, airflow, and pressurization in GMP spaces.
  • Ensure cleanroom compliance with ISO 14644: HEPA integrity, airflow patterns, recovery times, and differential pressures; support aseptic areas and gowning zones.
  • Optimize and troubleshoot BMS/EMS/SCADA (Siemens, Allen-Bradley, Johnson Controls): tune PID loops, rationalize alarms, adjust sequences of operation, and document via change control.
  • Coordinate calibration (temperature, RH, pressure, flow) and support IQ/OQ/PQ with solid validation documentation.
  • Drive investigations and CAPA using RCA methods (5-Why, Fishbone) and maintain impeccable cGMP/GDP records and SOPs.
  • Champion audit readiness (FDA/EU GMP) and keep systems in a validated state.
  • Improve energy and performance: VFDs, heat recovery, demand-based ventilation, and smart control strategies.
  • Plan and execute outages/turnarounds/capital projects with contractors, materials, and risk assessments.
  • Lead safety culture (LOTO, confined space, hot work, arc-flash; EPA 608 refrigerants) and mentor junior techs.
  • Manage spares and CMMS workflows; partner closely with Quality, Manufacturing, Engineering, Validation, and Operations.


What you'll bring
  • Education: Technical diploma/apprenticeship in HVAC/Mechanical/Building Services; bachelor's in Mechanical/Building is a plus.
  • Experience: 6-10+ years in HVAC maintenance, including 3-5 years in pharma/biotech or regulated GMP environments; cleanroom HVAC experience is essential.
  • Technical strengths: AHUs/chillers/boilers/hydronics, humidity control, HEPA; strong controls/BMS proficiency (PID, trends, data integrity).
  • GMP know-how: ISO cleanroom classifications, airflow visualization/smoke studies, pressurization cascades, aseptic requirements.
  • Validation: Sensor calibration, IQ/OQ/PQ, GDP, CAPA, Change Control.
  • Diagnostics: Advanced troubleshooting, basics of vibration analysis and thermography; instrumentation (anemometers, micromanometers, particle counters, data loggers).
  • Certifications: Safety training preferred; manufacturer training on chillers/controls and GxP/cleanroom courses are a plus.
  • Soft skills: Clear communication, teamwork, stakeholder management, decisive under time pressure, meticulous documentation.
  • Physical: Lift 50 lbs, ladders/heights/mechanical spaces, PPE for labs/cleanrooms, after-hours/on-call rotation.


Why this role
  • Impact that matters: Your work directly supports compliant manufacturing and product quality.
  • Variety and ownership: Complex systems, cross-functional collaboration, and continuous improvement.
  • Growth and mentorship: Be the SME and coach for a high-performing team.


Interested? Apply to join our Technical Operations team in Santa Monica or Tarzana and help us keep mission-critical environments running flawlessly.

The annual base pay (or hourly rate of compensation) for this position ranges from $71,749.60 - 107,624.40 . Our positions offer eligibility for various incentives-an opportunity to receive short-term incentive bonuses, equity-based awards for salaried roles and commissions for sales roles. Benefits offered include qualified retirement programs, paid time off (i.e., vacation, holiday, and leaves), as well as health, dental, and vision coverage in accordance with the terms of the applicable plans.

Date Posted
07-Aug-2026

Closing Date
27-Aug-2026

About AstraZeneca

AstraZeneca is a British-Swedish multinational pharmaceutical company that specializes in the research, development, and manufacturing of prescription drugs. The company was formed in 1999 through the merger of Astra AB and Zeneca Group plc. AstraZeneca's products are used to treat a wide range of medical conditions, including cancer, cardiovascular disease, respiratory disease, and diabetes. The company has operations in over 100 countries and employs more than 76,000 people worldwide. AstraZeneca is committed to developing innovative medicines that improve the health and well-being of people around the world.
Learn more about AstraZeneca
Size
83,100 employees
Market Cap
$211.5 billion
Industry
Net Income
$3.1 billion
Founded
1999
5 Year Trend
+10.2%
Revenue
$26.6 billion
NASDAQ

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