Senior HVAC Maintenance Technician

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 refr...