Johnson Controls
HVAC Refrigeration Service Engineer

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Location: Northampton – Cambridge – Luton (Mobile Role)
Password Services, part of Johnson Controls, specialises in servicing and maintaining HVAC and refrigeration equipment, predominantly within the hospitality sector, alongside retail, leisure, and other commercial environments.
We are currently looking for an experienced HVAC / Refrigeration Service Engineer to join our growing team. This is a mobile, field-based role, working Monday to Friday with participation in a standby rota and paid overtime.
About the Role
You will be responsible for servicing, maintaining, and repairing commercial HVAC and refrigeration systems, with a strong focus on commercial fridges and freezers.
This role would suit an engineer with experience in hospitality environments and familiarity with manufacturers such as Adande, H&K, and Nordair Niche. Gas qualifications are desirable but not essential.
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Graduate Consultant — 2026 Scheme
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StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Key Responsibilities
- Service, maintain, and repair commercial HVAC and refrigeration systems
- Fault find and resolve issues efficiently across a range of equipment
- Work on commercial refrigeration equipment (cold rooms, display cabinets, chillers, cellar cooling, ice machines)
- Deliver high-quality service to clients in line with SLAs
- Complete service reports and compliance documentation accurately
- Participate in on-call/standby rota
What We Offer
- Competitive salary + overtime (paid at premium rates) + standby allowance
- Company van, mobile, tablet, PPE, and specialist tools
- 25 days holiday + bank holidays (with option to purchase more)
- Benefits package: pension, life assurance, EAP, retail discounts, Cycle2Work
- Ongoing training and development opportunities within a global organisation


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What We’re Looking For
- Proven experience in HVAC and/or refrigeration service and maintenance
- Strong experience working on commercial refrigeration systems
- Knowledge of hospitality sector equipment is highly desirable
- Experience with manufacturers such as Adande, H&K, Nordair Niche (advantageous)
- F-Gas certification (essential)
- Gas qualifications (desirable, but not essential)
- Relevant qualifications (City & Guilds / NVQ in HVAC and Refrigeration)
- Full UK Driving Licence
- Strong understanding of Health & Safety standards
Why Join Us?
Join a supportive and growing team within Johnson Controls, where you’ll gain exposure to a diverse client base, develop your technical skills, and build a long-term career in a global organisation.
Ready to take the next step? Apply today.
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