Mobile Refrigeration Engineer

Sunswap is currently seeking a Mobile Refrigeration Engineer! Your key focus will be driving customer satisfaction by delivering high quality diagnostics and timely repairs of customer units on first visit in order to maximise their uptime.

Salary

Up to £45,000 (OTE £75K)

Contract type

Permanent

Date posted

July 28, 2025

Department

Aftermarket

Location

Leatherhead, Surrey, UK

Primary location: Leatherhead, KT22 7BA, UK

Salary: up to £45,000 + Overtime + Door2Door

OTE: 75k

About us

We are a clean-tech organisation who have created the world’s first purpose built battery and solar powered transport refrigeration unit (TRU). This is a fully electric system, is true zero-emission*, viable alternative to diesel power. Since being established in 2020 we have scaled a world-class team by 77% to accelerate innovation across all departments. We are looking for talent who want to join us on our mission, to decarbonise the global cold chain.

Last year we proudly announced partnerships with 8 customers including Samworth Brothers, Bannister Transport, DFDS and Staples Vegetables & secured investment from Barclays and Clean Growth Fund to fuel our mission to decarbonise the cold chain. This year we were announced the Winner of the 2024 Technological Breakthrough award from the Cold Chain Federation.

Primarily, our team and culture distinguish Sunswap as an exceptional workplace. Our collective commitment to decarbonising the global cold chain unites us, fostering mutual support in achieving our mission. We strive to cultivate an inclusive, forward-thinking, and engaging culture that embraces everyone.

Our benefits

  • Overtime
  • 30 days of annual leave (includes a Wellbeing Day)
  • Sabbatical (after 3 years of working with Sunswap)
  • 5 free counselling sessions per year
  • Family leave ranging from 4 weeks to 4 months
  • Free Monthly Lunches & Quarterly Socials!

Job overview

Sunswap is currently seeking a Mobile Refrigeration Engineer! Your key focus will be driving customer satisfaction by delivering high quality diagnostics and timely repairs of customer units on first visit in order to maximise their uptime.

You will carry out maintenance repairs and investigations of our product, alongside being responsible for on-site call outs to issues at roadside, customer depot or Vehicle Maintenance unit (VMU). When not on field duties, you will be responsible for assisting the Aftermarket engineer in carrying out maintenance procedure verifications and serviceability test requests as well as supporting production, build and uplift where necessary. Furthermore, you will be supporting the wider engineering team with technical builds and investigations within an R&D environment allowing for continued growth of the successful applicant.

Key responsibilities

  • Take the lead in resolving maintenance repairs and troubleshooting mechanical, refrigeration, and electrical issues. Support the Aftermarket Engineer by assisting with serviceability test requests and investigations, ensuring high-quality performance and reliability
  • Collaborate with the Aftermarket Engineer by providing valuable insights from the field and suggesting innovative ways to enhance product repairability, contributing directly to continuous improvement and customer satisfaction.
  • Work closely with diverse engineering teams to support a wide range of mechanical and electrical tasks, collaborating with skilled engineers to drive success across multiple projects
  • Maintained van with a readiness for tools
  • Support unplanned maintenance of the Sunswap demo fleet.
  • Building and maintaining required Aftermarket test rigs
  • Provide technical debriefs for maintenance activities carried out for Endurance
  • Support installation activities of TRUs
  • Contribute to product launches across the UK and in europe if necessary

Qualifications & experience

  • Proven experience in maintenance repair and diagnostics for refrigerated trailers, HVAC or related systems
  • The ability to carry out mechanical and electrical field tasks
  • F-GAS category 1
  • A valid UK driver’s license (manual)
  • Brazing experience
  • A basic understanding of low voltage electrical systems
  • Good knowledge of refrigeration systems and required maintenance
  • The ability to troubleshoot unplanned Maintenance issues
  • Excellent verbal and written communication skills
  • Ability to interpret/execute written instructions as well as work collaboratively as part of a wider team across the business
  • A ‘can do’ attitude and be able to work within the timescales set through the SLA’s
  • A passion for the environment and being a force for good
  • Proven ability to prioritise and manage your time

Apply for this role

Ready to make a difference? Apply now and help shape the future of transport refrigeration.