HVACR Technician

HVAC/R Technician – Naval & Marine Systems Location: Basildon, Essex About us Johnson Controls, a global leader in thermal management, mission-critical building systems, energy efficiency, and decarbonization, helps customers use energy more productively, reduce carbon emissions, and operate with the precision and resilience required in rapidly expanding industries such as data centers, healthcare, pharmaceuticals, advanced manufacturing, and higher education. For more than 140 years, Johnson Controls has delivered performance where it really matters. Backed by advanced technology, lifecycle services and an industry-leading field organization, we elevate customer performance, turn goals into real-world results and help move society forward. About the role We’re seeking an HVAC/R Technician with around 1–2 years post-apprenticeship experience and a valid F-Gas certificate to support commissioning and FAT activities for naval HVAC/R systems. This role is predominantly based in our Basildon workshop, with travel to UK naval sites and occasional international assignments. You’ll have the opportunity to upskill in naval equipment and develop your career in a supportive, hands-on team. What we offer Competitive salary, company car, 25 days paid holiday + bank holidays, overtime

7% matched pension, life assurance, employee assistance, discounts, cycle-to-work

Extensive product training and clear progression into advanced commissioning

Zero Harm safety culture; IT tools and equipment provided

What you’ll do Commissioning of ATUs , Chillers, and HVAC systems in the test bay and when required, on customer sites

Electrical/mechanical hookups, calibration, and functional testing

FAT testing and system integration activities

Ensure F-Gas compliance (leak checks, recovery, documentation)

Help diagnose issues and contribute to root-cause analysis; produce test reports

Maintain test equipment and travel for on-site support

What you’ll bring Valid F-Gas Certification (Cat I or II)

1–2 years post-apprenticeship HVAC/R experience

Strong electrical/mechanical aptitude; able to read schematics/drawings

Willing to travel UK/internationally; valid driving licence

Eligible for UK BPSS and SC clearances (or ability to obtain)

Desirable Naval/marine experience

PLC/microcontroller knowledge or HVAC control systems

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