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 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.
Ready to pioneer the future with us?