Senior Graphite Engineer

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 developing a 25 MWe / 70 MWth High-Temperature Gas-cooled Reactor (HTGR) to deliver clean, reliable energy for offshore and industrial applications.

Senior Graphite Engineer

Delft - R&D

Your role

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.

What we expect from you

• 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.

What we offer

Join us at the forefront of innovation and contribute to the development of first-of-a-kind nuclear technology. You’ll become part of a dynamic, multidisciplinary team where experts from different fields collaborate to solve complex engineering challenges and turn ambitious ideas into reality.

You can expect:

• Competitive industry benchmarked salary and excellent pension;
• Performance based salary raises and bonuses;
• 30 holidays days per year, flexible working hours;
• Company-sponsored fitness scheme;
• On-the-job training, study budgets and coaching;
• A close-knit community, BBQ’s, parties, (sportive) events and Friday afternoon drinks.

This is more than just a job; it’s an opportunity to help shape the future, push technological boundaries, and play a key role in pioneering solutions that have never been built before.

Stories from colleagues

Witnessing the successful execution of these projects, knowing that I played a role in their development, is a truly satisfying experience.

Olaf Crebolder, Installation Engineer