Are you motivated to provide your expertise and know-how to the ongoing design studies for the innovative reactors? Are you passionate about designing cutting-edge mechanical systems and solving complex engineering challenges? Do you get energized by innovation, and transforming ideas into tangible solutions? Are you a teambuilder that can get the most out of technical experts and specialists, in an innovative and multidisciplinary development environment?
You will be the work package lead of some systems in Thorizon Pioneer related to operations and maintenance and as such responsible for all activities related to design those systems in Thorizon Pioneer design and safety case. In close collaboration with internal functions – thermohydraulics, neutronics, … - you will coordinate studies you need and move the design of your system from a concept to a concrete object. Reporting to the Pioneer Project Director and Pioneer Architect, you will ensure the integration of your system within the overall reactor and manage the interface with the other systems. You will manage potential collaboration with subcontractors on design first and then on realization. In collaboration with the Safety team, you will be accountable for ensuring your system is safe and defend your case towards the regulators.
You have strong experience in operations and maintenance within a nuclear environment and are able to design human operations, specific equipment, and associated activities for safe and efficient execution. You are familiar with radioprotection codes and standards (e.g., IAEA, EURATOM, or local regulations) and know how to implement the ALARA methodology to minimize radiation exposure. Your expertise includes developing operational procedures, defining technical requirements for tools and equipment, and ensuring compliance with safety, waste management, and regulatory frameworks to support seamless project execution.
You are able to self define your weekly routine. You have a strong spirit of team effort and as such able to maneuver in cross-functional teams. You have a high level of communication skills and stakeholder management.
This role is based in Amsterdam, Netherlands or in Lyon, France.
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Define operations and maintenance operations within Thorizon Pioneer with associated codes and standards and applying ALARAmethodology
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Define,validateand verify (functional) requirements forassociatedsystemsof Thorizon Pioneer,optimizethe design to deliver on those requirements, and manage trade-offs in the design envelope. (e.g., reliability, performance, lifetime, costs) while continuously ensuring maximum safetyand prepare for the realization of this system
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Work in cross-functionalteam in Pioneer project(typically a project-based team of ~3-6 engineers from different disciplines such as nuclear engineering, core physics, thermal hydraulics, chemistry)
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Conduct engineering work foryourworkpackage(e.g., componentand system design, computermodelsand analyses to simulate safety and performance)
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Initiate projects with our expert engineers that support you with analyses, validation,verificationand qualification.
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Select,qualifyand manage external contractors that support you in your mission.
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Deliver system documentation, prepare design reviews, and ensure system integration.
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Build documentation and presentation to enable licensing discussion with safety authorities.
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Support program management by coordinating meetings, communicating with external partners, and leading specific projects.
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Participate in meetings with regulators with the aim of defending in-house positions and contribute tomaintainingan active dialogue with regulators (in particular ASNR, ANVS and FANC)
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Work very closely with Pioneer Architect, Functional leads and team,the program office, COO, CTO, and the rest of the teams in Lyon and Amsterdam
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Report to thePioneer Project Director, in the COO line
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Master's degreeand provenworkingexperienceinnuclear operations, maintenance,dismantlingor waste management(10 years).
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Experience with system engineering approaches is a plus.
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Knowledge and understanding of these disciplines are mandatory to succeed in the role: mechanical, neutronic, chemistry (corrosion), thermodynamic, structural
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All-round engineer that uniquely combines contentexpertise, great communicationand interpersonal skills:
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You can strategically connect the dots between design drivers in a complex multi-disciplinary project. You can zoom in and out, connecting strategy andobjectivesto concrete requirements, roadmaps, and actions.
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You are a solution-oriented go-getterwho positively drives forward,
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You have strong stakeholder management skills and taking ownership of deliverables.
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Excited by pioneering and a path finder for the design. You are a fast learner that has the potential to lead complex topics.
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Excellentcommunicator (clear is kind) in English, both spoken and written. French and/or Dutch would be considered a strong plus.
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Willing to travel between Lyon and Amsterdam.
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Strong organizational and multitasking abilities,with drive for quality and accuracy.
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Inspired by anorganizationwith a large variety of people, with different experiences andbackground,andhave the ability toadjust your management style depending onsituationandthepeople involved.
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Eagerto learn and like challenges.
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Dynamic and ambitious team of nuclear technology professionals that are committed to solving today’s energychallenges
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Unique experience in a fast-growing VC-backed deep tech start-up
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Opportunity to work on a game-changing technology that reduces our carbon footprint and nuclear waste streams
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Competitive salary and an employee profit-sharing plan
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International work experience
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Office in the heart of Amsterdamor Lyonnext to the Central station.
At Thorizon, we’re a passionate team spread across Amsterdam and Lyon, all working together to develop new nuclear power solutions. We design and create frontier technology for Molten Salt Reactors (MSRs).
Our purpose is to accelerate the availability of clean energy and help solve the climate crisis.
We are in the development phase and aim to solidify our design through analyses, simulations, experiments, prototyping, and partnerships. At Thorizon, we believe a strongly coupled multidisciplinary technology development requires a culture of full openness and transparency. That’s why we foster values like unity, communication, and support to ensure we grow together as a team while achieving our purpose.
