ALTEN UK is seeking a motivated Control & Instrumentation (C&I) - Design Engineer to join our growing team in Derby | Manchester | Warrington, supporting key projects within the Energy sector. This is an exciting opportunity for engineers looking to develop deep technical expertise across the full lifecycle of control and instrumentation systems.

In this role, you will lead the development of C&I functional specifications across the nuclear plant, translating high-level plant requirements into structured, implementable system designs. You will play a key role in defining how plant systems behave, interact, and respond under various operating conditions.

Working at the heart of a multidisciplinary engineering environment, you will collaborate closely with system architects, plant designers, and simulation teams to ensure robust, aligned, and high-quality solutions.

This is a...