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
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Competitive salary, company car, 25 days holiday + bank holidays, overtime
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Pension, life assurance, employee assistance, discounts, cycle-to-work
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Extensive product training and clear progression into advanced commissioning
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Zero Harm safety culture; IT tools and equipment provided
What you’ll do
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Commissioning of ATUs , Chillers, and HVAC systems in the test bay and when required, on customer sites
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Electrical/mechanical hookups, calibration, and functional testing
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FAT testing and system integration activities
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Ensure F‑Gas compliance (leak checks, recovery, documentation)
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Help diagnose issues and contribute to root-cause analysis; produce test reports
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Maintain test equipment and travel for on-site support
What you’ll bring
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Valid F‑Gas Certification (Cat I or II)
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1–2 years post-apprenticeship HVAC/R experience
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Strong electrical/mechanical aptitude; able to read schematics/drawings
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Willing to travel UK/internationally; valid driving licence
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Eligible for UK BPSS and SC clearances (or ability to obtain)
Desirable
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Naval/marine experience
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PLC/microcontroller knowledge or HVAC control systems
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