HVAC​/R Technician

HVAC/R Technician - Naval & Marine Systems

Location:

Basildon, Essex

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.

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.

• Competitive salary, company car, 25 days holiday + bank holidays, overtime
• 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

• 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

• 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

Your buildings have a purpose. They are places for people to live or work. Facilities for learning or healing. Venues for entertainment and shopping. Sites for the specialized storage of tangible goods or mission‑critical data. Your buildings have a huge variety of functions; they are central to your mission. This is where Johnson Controls comes in, helping drive the outcomes that matter most.

Through a full range of systems and digital solutions, we make your buildings smarter. A smarter building is safer, more comfortable, more efficient, and, ultimately, more sustainable. Most important, smarter buildings let you focus more intensely on your unique mission. Better for your people. Better for your bottom line. Better for the planet. At Johnson Controls, we’ve been making buildings smarter since 1885, and our capabilities, depth of innovation experience, and global reach have been growing ever since.

Today, we offer the world’s largest portfolio of building products, technologies, software, and services; we put that portfolio to work to transform the environments where people live, work, learn and play.