Senior Thermal-Hydraulics Analyst




Years of experience

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newcleo is a clean and safe nuclear technology company. Privately funded and headquartered in London, UK, newcleo was launched in 2021 to be a disruptor in the field of nuclear energy. Its mission is to generate safe, clean, economic and inexhaustible energy for the world, through a radically innovative combination of existing, accessible technologies.

newcleo is building the next generation system with the goals to:

  1. eliminate the need for geological repositories by using a fast neutron flux avoiding the production of long life radioactive elements;
  2. accelerate the development of new fuel cycles, including MOX (Mixed Pu-U Oxides) and eventually thorium, that provide clean, safe and inexhaustible energy from nuclei and the opportunity to burn the long-lived nuclear waste produced by the old generation of nuclear reactors;
  3. ultimately develop an Accelerator Driven System (ADS), based on the intrinsically safe coupling of a particle accelerator and a sub-critical reactor.

With visionary co-founders, newcleo brings together an international team of senior engineers with deep knowledge of nuclear energy and new recruits with a fresh mindset, working to develop designs based on innovative Lead-cooled Fast Reactors (LFRs). These LFRs will meet the commercial demand for small terrestrial waste-to-energy reactors.

In the UK, newcleo’s immediate focus is on delivering a prototype 30MWe LFR by 2030 followed by an initial battery of 4-6 x 200MWe reactors with deployment in the early 2030s. We are building our team to meet this challenging and exciting objective.

newcleo wants to be the first step toward the evolution of its industry to become fully respectful of people and the environment. To develop a new, sustainable, and completely safe way of generating nuclear energy that will lead humanity to zero emissions, and to the mitigation of global warming.

Reports to:

Thermal Hydraulics Manager

Job Description

We are looking for a Thermal-hydraulics Analyst to collaborate to Lead Fast Reactor basic design, with a focus on the thermal hydraulic components and safety assessment activities.
He/she will work in strict coordination with the other scientific and engineering departments.

Main Activities

  • Designs, models, and analyses thermal hydraulic systems, with particular emphasis on 1D steady-state and transient modelling of nuclear reactor primary and secondary cooling systems, both in normal and off-normal conditions
  • Performs code validation and benchmarking activities
  • Performs engineering analysis, which can include thermal, fluid, safety, manufacturability, and costs
  • Collaborates cross-functionally to define design requirements, and provides technical feedback to quick-iterating design teams
  • Couples systems-level analyses with high fidelity thermal-hydraulic analyses (e.g., CFD)
  • Documents activities using modern tools and techniques, and write well-written, thoughtful technical reports

Desired Qualifications

  • MSc in Nuclear Engineering (Master or PhD is a plus)
  • Fluent Italian and English
  • Good knowledge of design and analysis principles for large or complex thermal-hydraulic systems
  • Understanding of analytical techniques and relevant design codes
  • Experience with at least one of the 1D system thermal-hydraulic codes typically used for nuclear reactor safety assessment
  • Ability to participate in team meetings and give technical presentations
  • Great mathematical and analytical skills
  • Experience with thermal hydraulic engineering principles and multi-physics analysis methods for engineering applications, particularly as they relate to power systems.

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