About this role
Senior Graphite Engineer Date: 22 Jul 2026 Location: DELFT, ZH, NL, 2612 PA Company: Allseas Group About Allseas Division Description Department Description Are you ready to play a key role in enabling next-generation nuclear energy for offshore vessels and energy-intensive onshore industry - at the forefront of innovation? Allseas is a dynamic and innovative company transforming bold ideas into state-of-the-art solutions. We are developing a 25 MWe / 70 MWth High-Temperature Gas-cooled Reactor (HTGR) to deliver clean, reliable energy for offshore and industrial applications. Unit Scope Discipline Description Job Description As Graphite Expert, you will be part of the multidisciplinary Nuclear Department within the Innovations Division. You will take a leading role in the engineering of graphite as well as the definition, specification, and qualification of graphite materials and components for the HTGR core and related systems. Key responsibilities - Co-design the reactor internals; - Interpret simulations and use this to optimize the design; - Define and develop graphite specifications; - Assess graphite behaviour under irradiation, oxidation, thermal cycling, and mechanical loading; - Lead material selection and qualification processes; - Develop and review test programs; - Ensure alignment with nuclear codes and standards; - Support safety analyses; - Interface with multidisciplinary engineering teams. Education & Experience - MSc or PhD in relevant field; - Minimum of 10 years of relevant experience; - Expertise in graphite behaviour under irradiation and high temperature; - Expertise in graphite interactions with other materials; - Experience with material qualification programs; - Strong analytical skills; - Familiarity with nuclear safety frameworks; - Excellent communication skills. Certifications Additional Information Join us at the forefront of innovation and contribute to the development of fi...