Location: Field-based, UK-wide

Full UK Driving Licence Required

Are you a detail-driven engineer with a passion for cleanroom and HVAC validation? Do you thrive in highly regulated environments where precision and compliance are key? If so, we want to hear from you.

We are looking for a Cleanroom & HVAC Validation Engineer to join our expert team, delivering best-in-class commissioning, qualification, and maintenance services to clients across the UK. This is a field-based role with travel, offering variety, autonomy, and the opportunity to work with industry leaders in GMP, ISO, and healthcare settings.

What You’ll Be Doing:

• Perform full validation and performance testing of cleanroom and HVAC systems (Particle counts ISO 14644-1 & GMP Annex 1).
• HEPA filter integrity testing (DOP).
• Airflow measurements, pressure differentials, temperature/humidity mapping.
• Airflow visualization, recovery/containment testing.
• Testing of Biological Safety Cabinets (BSCs) and Laminar Airflow (LAF) units.
• Commission and qualify cleanrooms to ISO 14644 and GMP Annex 1 standards, including full IQ/OQ documentation.
• Conduct HVAC assessments to HTM 03-01 for healthcare and other regulated facilities.
• Maintain and upgrade cleanroom systems (HVAC, EMS, door systems, filters, fabric).
• Provide planned and reactive maintenance to critical systems.
• Deliver audit-ready validation reports and service documentation.
• Serve as the technical point of contact for clients, ensuring standards are met and exceeded.

What You’ll Need:

• Full UK driving licence (essential).
• Proven experience in cleanroom validation and qualification.
• Strong hands-on knowledge of HVAC systems, commissioning, and maintenance.
• Understanding of GMP/ISO standards and HTM 03-01 healthcare ventilation guidelines.
• A recognised cleanroom qualification (e.g. CTCB-I Professional).
• Familiarity with cleanroom systems: panel construction, door installation, filter replacement, and EMS.
• Excellent communication skills and confident client-facing presence.
• A methodical, problem-solving mindset with exceptional attention to detail.

Why Join Us?

• Be part of a specialist team working on critical environments in pharma, biotech, and healthcare.
• Work from anywhere in the UK with travel to customer sites.
• Receive ongoing training and development.
• Competitive salary, company vehicle, tools, and all necessary calibration equipment provided.
• Autonomy in your role with the support of an experienced team.

Seniority level

• Mid-Senior level

Employment type

• Full-time