Principal Mechanical Engineer – Nuclear Power Systems Lead

Assystem UK Ltd is seeking a Principal Engineer to lead Front Engineering activities for Small Modular Reactors, Advanced Modular Reactors and Fusion projects. You will work with multi‑disciplinary teams, delivering the engineering design scope and guiding a dedicated engineering group.

Your mission includes spearheading the delivery of cutting‑edge power station systems and taking charge of optioneering, ensuring ALARP compliance and robust safety cases across complex projects.