Design Engineer (Neutronics)

Ready to engineer your positive impact? Then join Tractebel, part of the ENGIE Group, and our 5,600 passionate experts around the globe, driven by shaping a more sustainable world every day. It’s your chance to be a part of the adventure of the century: accelerating the energy transition – while enhancing people’s lives through meaningful projects. Make your contribution to carbon neutrality in markets like nuclear, renewables, power & gas, electrical grids, hydropower & dams, water resources & supply, desalination, complex & high-tech buildings, transport infrastructures, and ports & waterways. 

• Tractebel is more than a place to work. It’s your chance to evolve alongside top experts on impactful projects around the world. It’s an environment built on team spirit, where you can reach your highest potential. 
• We actively supports the development of our people, and the opportunities for growth within the ENGIE Group are wide open. 
• We offer a competitive salary package  including representation allowances, double paid holidays, meal vouchers, eco cheques, bonuses, health insurance, PC purchase plan, ENGIE stock options, and more. 
• Our mobility plans are customizable to your needs, including a company car, train pass, bike lease, or combinations thereof. You can also swap your company car for the flexible and tax-friendly Belgian Mobility Budget! ** 
• Flexible, hybrid arrangements enable working from home (2-3 days per week), on-site or on the go. Tractebel participates in your home office expenses, through advantageous purchase programs and generous contributions to your internet and mobile plans. 
• Holidays: 20 legal days + 12 compensatory leave days (for a full-time work schedule). You can also buy 5 extra days for even more relaxation.
• To celebrate our successes, and just have fun, we get together for team sports, afterworks, team -building activities, our annual party, and more

Your mission

The Core & Fuel Studies Group, part of the Nuclear Processes Competence Centre, is a multidisciplinary team covering all activities related to nuclear fuel and dismantling preparation.
We handle the fuel cycle, core design, safety evaluations and operational support for the Belgian nuclear reactors.
Our experts also perform criticality, shielding and activation calculations for spent fuel and waste characterization ahead of dismantling activities.

The group consists of three sub-teams covering fuel cycle studies, neutronic analyses, and cross‑functional core multiphysics methods and support.

Your key responsibilities   

The team is currently looking for a Design Engineer within the Neutronic studies & Tools sub-group, you will be in charge of various neutron studies and support the development of different in-house tools.
While focused on neutron studies, the job includes a wide range of applications: 

• Engineering studies in the domain of core and fuel physics using industry-standard methods and simulation codes;
• Neutron activation studies;
• Radiation transport and shielding calculations;
• Spent fuel characterization;
• Fluence, source terms and decay heat calculations;
• Safety-criticality assessments;
• Various neutronic studies related to spent fuel casks;
• Writing Engineering / synthesis reports of your analyzes.

We would love to hear from people with  

• You are a civil engineer specialized in nuclear energy or nuclear physics.  
• You have a good theoretical background of nuclear systems and core physics phenomena.
• You are keen to develop a technical expertise and ready to invest yourself in the physics simulation codes and methods.
• You're eligible to obtain authorization of the competent authorities to work with Monte Carlo code. A practical proficiency in neutronics and Monte Carlo calculations would be an asset.
• You have proficiency in IT (with an emphasis python programming), or are willing to learn this quickly. 

Who you are

• You are fluent in Dutch (French is a plus), with a good knowledge of English.
• You apply self-verification with a rigorous mind and you deliver quality within tight schedules.
• You are good listener, dynamic and you like teamworking.

Who we are  

Our top priorities are people, ethics, safety, and sustainability. With Tractebel, you are uniquely positioned to make a positive impact on global net-zero targets. The driving force behind reaching these goals is our greatest asset: you. Our people come first, and our strength is in our diversity. Because diversity leads to fresh perspectives that drive performance and innovation, we welcome all applicants and remain committed to an inclusive workplace. 
Find out more about Tractebel, our activities and why you should join us here ! 

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