HVACR Commissioning Technician

HVAC/R Commissioning Technician – Naval (Basildon, UK)

Join Johnson Controls Marine & Navy HVAC & Refrigeration team in Basildon, Essex, where we build and commission high-quality HVAC/R systems for naval vessels. If you have a solid background in refrigeration or HVAC and enjoy hands‑on technical work, this is a great opportunity to apply your skills in a unique environment. You’ll work with well-supported processes, modern equipment, and a friendly team who will help you grow into the naval side of the industry.

We are looking for an experienced HVAC/R Commissioning Technician to commission naval HVAC and refrigeration units, ensuring they meet strict performance, safety, and regulatory standards. This hands‑on role is primarily based in our Basildon test facility, with travel to UK naval sites and occasional international assignments.

• Commission ATUs and associated HVAC systems in the test bay and on customer sites.
• Perform electrical and mechanical hookup, calibration, and functional testing.
• Carry out Factory Acceptance Testing (FAT) and support integration activities.
• Ensure full compliance with F‑Gas regulations, including leak checks, recovery, and documentation.
• Diagnose and resolve commissioning issues, providing feedback to engineering teams.
• Produce accurate test reports and handover documentation.
• Maintain and calibrate test equipment, ensuring safety and quality standards are upheld.
• Travel for site work and customer support, including occasional overnight stays.

• Valid F‑Gas Certification (Category
  
  I orII).
• Proven experience in commissioning and FAT of HVAC/refrigeration systems.
• Strong electrical and mechanical aptitude.
• Ability to interpret electrical schematics and mechanical drawings.
• Flexibility to travel across the UK and internationally.
• Valid driving licence.
• Eligibility for UK BPSS and SC security clearances (or ability to obtain).

• Apprenticeship or formal training in refrigeration/HVAC.
• Experience working in naval or marine environments.
• PLC/microprocessor knowledge or experience with HVAC control systems.

• Competitive salary.
• Company car.
• 25 days paid holidays + bank holidays and sick pay.
• Overtime payments.
• Comprehensive benefits package including pension, life assurance, employee assistance program, referral scheme, employee discounts, cycle‑to‑work scheme, and discounts on Johnson Controls security products.
• Extensive product training and on‑the‑job development.
• Supportive, collaborative team environment.
• Clear career development pathways.
• Strong commitment to safety through our Zero Harm policy.
• Access to business resource groups and training aligned to our company values.
• IT equipment and full tool provision.