10 set - Pisa
Danem People Group
Reactor Physics & Neutronics Engineer — Micro Modular Reactor
La preghiamo di verificare di possedere il livello di esperienza e le qualifiche adeguate leggendo la panoramica completa di questa occasione qui sotto.
Pisa, Italy · Onsite · Permanent · 50-60,000 € + bonus
Design the core of a reactor that will actually get built
Most nuclear engineers spend a career optimising someone else's core. This is a chance to define one from a blank sheet.
Our client is a nuclear technology company developing a Micro Modular Reactor — small enough to transport, simple enough to deploy where grid power doesn't reach, and designed to produce both clean electricity and medical and industrial radioisotopes .
They are currently taking the design through the US NRC licensing process , which means the neutronics work you do here doesn't sit in a report. It goes into a licensing submittal, and then into hardware.
Why this role is different:
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- Real scope, real ownership. A (team size) engineering team, not a 400-person division. Your core design decisions reach the CTO the same week you make them.
- Licensing-grade work. Your analyses become part of a formal NRC submittal — the highest-rigour environment in the industry, and a credential that follows you for the rest of your career.
- Two missions in one machine. Carbon-free power and isotope production for cancer diagnostics and treatment.
What you'll own
You'll be the reactor physics authority on the MMR core — from first-principles modelling through to defending your numbers in front of a regulator.
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- Core design & optimisation — define and iterate the core configuration, working the trade space between reactivity, thermal limits, cycle length and manufacturability.
- Neutronics analysis — criticality and reactivity coefficients, burnup and depletion, cross-section generation,
flux and power distributions.
- Shielding & dose — shielding design, dose rate calculations, and validation of radiation barriers.
- Fuel cycle — fuel management strategy and fuel cycle analysis for a first-of-a-kind core.
- Licensing support — produce the analyses and technical documentation that support the NRC submittal, and engage directly with regulators and reviewers.
- Safety analysis — support risk assessment and failure mode analysis on reactor components alongside the safety team.
- Method & tool development — improve the models, workflows and verification practices the team will rely on for the next decade.
What you'll bring
Essential
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- MSc in Nuclear Engineering, Reactor Physics, or a closely related field.
- Strong grounding in reactor physics — you can explain why a core behaves the way your model says it does.
- Hands-on experience with at least one Monte Carlo or deterministic neutronics code: Serpent, MCNP, SCALE, PARCS , or equivalent.
- Working knowledge of nuclear safety principles and a regulatory framework (NRC, IAEA, or a national equivalent ).
- The engineering judgement to know when a result is wrong before the reviewer tells you.
- Clear written English — your documentation will be read by regulators.
Nice to have (genuinely optional)
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- PhD in reactor physics, neutronics, or radiation transport.
- Experience contributing to a licensing submittal or safety case.
- Micro-reactor, SMR, HTGR, molten salt or research-reactor experience.
- Radioisotope production experience.
- Scripting for automation and coupling (Python).
- Italian — useful for working with (the Italian engineering team / partners), not required.
Don't tick every box? Apply anyway. xysqume Deep strength in core design and neutronics matters far more to us than a complete checklist.
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