Mechanical Engineer Nuclear

Date: 11 Sept 2025

Location: DELFT, ZH, NL, 2612 PA

Company: Allseas Group

About Allseas

Division Description

Department Description

We are hiring a mechanical engineer for the nuclear team

Are you ready to be a key player in enabling clean energy for large offshore vessels and energy-intensive onshore industry – at the forefront of innovation?

We have an exciting opportunity for you!

Allseas is a dynamic and innovative company at the forefront of technological advancements. We transform bold ideas into state-of-the-art solutions that meet the ever-changing needs of the market. This way we focus on developing tomorrow's technology today, shaping the future of the offshore industry.

We are developing a 25MWe high-temperature gas cooled SMR to create power on board of large offshore vessels and power and heat for on-land. Nuclear power is clean, reliable and enables refuelling cycles of years. This will be a game-changer for the maritime industry and energy intensive industry.

Unit Scope

Discipline Description

Job Description

As mechanical engineer you will be part of the multidisciplinary nuclear team within the Innovations Department. You will contribute to the design and analysis of the reactor systems and power cycles through various calculations and simulations. Your work will span a wide spectrum of mechanical engineering disciplines, including high-level integration, process system design, component design and safety and control interfaces.

Key Responsibilities 

  • Synthesize results from various design disciplines and include it in the reactor design
  • Collaborate with engineering teams to incorporate design requirements
  • Co-design the heat-to-power conversion process
  • Co-operate and manage several vendors
  • Evaluate and ensure compliance with safety requirements.

Education & Experience

  • BSc/MSc degree in Mechanical Engineering;
  • Strong analytical and problem-solving skills;
  • Affinity and experience with coding (e.g. Python or Linux);
  • Experience with 2D and 3D CAD software;
  • Good command of the English language, both written and spoken, with strong communication and collaboration skills. 

Certifications

    Additional Information

    Working at Allseas allows you the chance to work in a dynamic, fast-paced, entrepreneurial environment, with creative thinking, collaboration and down-to-earth culture at its core.
     

    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
    • Internal clubs, committees, parties and (sportive) events