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Johnson Controls International · Basildon-Essex-United Kingdom

# HVACR Technician

Basildon-Essex-United Kingdom Full-time Skilled Trades & Maintenance 

Listed on Johnson Controls International’s official careers site. Posted September 21, 2026. Check that it is still open and apply there.
[Apply on Johnson Controls International’s careers site →](https://jci.wd5.myworkdayjobs.com/JCI/job/Basildon-Essex-United-Kingdom/HVACR-Technician-_WD30280393-1)

[OpenNash Jobs](https://jobs.opennash.com/) / [Johnson Controls International](https://jobs.opennash.com/companies/johnson-controls-international/) / HVACR Technician

## Job description

### 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 #LI-HN1 #LI-Onsite #RMDFL

## At a glance
- Posted by the employer: Sep 21, 2026
- First seen by OpenNash: Oct 13, 2026
- Last checked: Oct 20, 2026
- Listed for: 29 days
- Location: Basildon-Essex-United Kingdom
- Employment type: Full-time[Apply on Johnson Controls International’s careers site →](https://jci.wd5.myworkdayjobs.com/JCI/job/Basildon-Essex-United-Kingdom/HVACR-Technician-_WD30280393-1)

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