Senior Service Engineer

Company: STR Group Limited
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Senior Water & Refrigeration Engineer – Marine

£60,000-£70,000 | UK-wide | International Travel

Are you an experienced refrigeration engineer looking to take your technical expertise into an exciting, specialist marine environment?

We’re seeking a Senior Chilled Water & Refrigeration Engineer to join a growing marine engineering operation, supporting complex cooling and refrigeration systems across vessels, shipyards and specialist marine installations throughout the UK and internationally.

This is a hands-on senior role offering the opportunity to tackle complex technical challenges, lead fault investigations and play a key role in commissioning, maintaining and improving critical marine systems.

The Role

  • Install, commission, maintain and repair marine chilled water plants and refrigeration systems.

  • Diagnose complex mechanical, electrical, refrigeration and control system faults.

  • Support equipment upgrades, plant replacements, refits and commissioning projects.

  • Act as a senior technical point of contact, providing guidance to engineers and customers.

  • Work closely with vessel crews, shipyards, project teams and equipment manufacturers.

  • Travel across the UK and internationally, with approximately 30% UK travel and 30% international travel.

About You

  • Extensive hands-on experience with industrial, commercial or marine refrigeration and chilled water systems.

  • Strong knowledge of chillers, compressors, heat exchangers, pumps and refrigeration circuits.

  • Confident diagnosing complex faults and working independently on technically demanding projects.

  • Relevant engineering qualification and a current F-Gas qualification.

  • Marine, naval or offshore experience would be advantageous, but strong transferable industrial refrigeration experience will also be considered.

  • Willingness to travel regularly throughout the UK and overseas.

What’s on Offer?

  • £60,000-£70,000 salary, depending on experience.

  • UK-wide location flexibility.

  • Exposure to specialist marine engineering projects in the UK and overseas.

  • A senior technical position with scope to influence engineering standards, system reliability and technical solutions.

  • Company pension, life insurance and cycle-to-work scheme.

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Posted: October 30th, 2026