As a Principal Mechanical Engineer, you will play a pivotal role in one of the UK’s major civil nuclear decommissioning programmes. Working as a senior technical authority within a multidisciplinary engineering environment, you will drive the integration of complex mechanical systems and develop innovative solutions that directly support the safe deconstruction and long‑term management of nuclear facilities.

This full‑time position works 37 hours per week, five days per week, and is based at Westlake’s Science Park, Moor Row, or Warrington, Cheshire sites.

Responsibilities

• Lead and manage multidisciplinary engineering teams to deliver high‑quality technical solutions.
• Supervise and mentor engineers and technical specialists to ensure performance and development.
• Act as a key liaison with customers, ensuring transparent communication and technical clarity.
• Oversee production, review, and approval of engineering outputs,...