Established in 2022, Navantia UK is a subsidiary of Navantia SA, a Spanish state-owned company with over 300 years of naval shipbuilding history.

In January 2025, Navantia UK completed the acquisition of Harland & Wolff and its four historic facilities in Belfast, Appledore, Methil, and Arnish.

By combining Harland & Wolff’s proud heritage and facilities with Navantia’s global expertise, Navantia UK is well-positioned to strengthen Britain’s defence, maritime and energy industrial capabilities, supporting jobs and economic growth across the country.

At Navantia UK , we design and deliver some of the world’s most advanced naval ships. From cutting-edge propulsion systems to sustainable engineering solutions, we’re shaping the future of maritime technology — and we’d like you to be part of it.

We’re looking for a Senior Marine Engineer to develop the design, integration, and optimisation of auxiliary and power & propulsion systems for complex naval and government shipbuilding projects.

What you’ll do:

Develop and integrate systems like HVAC, fuel, cooling, firefighting, hotel systems, power & propulsion and more Collaborate with other engineering...