Neutronics & Tools Sub-group Leader

ENGIE Group; Belgique; On-site; EUR 120,000 - 180,000; Full time

Benefits offered by this job

Competitive salary

Meal vouchers

Mobility budget & company car options

Hybrid work arrangement

Home office support

Holidays 32 days + 5 extra

Team events & celebrations

Job summary

Tractebel, part of the ENGIE Group, seeks a Team Leader for Neutronic Studies to guide a 10‑person engineering team focused on reactor physics, criticality, shielding and related calculations. You will report to the Core & Fuel Studies Group Manager and blend technical leadership with people management to ensure timely, high‑quality project delivery.

Ideal candidates hold an engineering degree or physics background, with strong neutronics knowledge and proven leadership skills.

Qualifications

• Leadership and people management experience in a technical group.
• Strong knowledge of reactor physics, neutronics or related nuclear fields.
• Ability to coordinate projects and drive milestones within a matrix structure.

Responsibilities

• Lead a multidisciplinary team of engineers in reactor physics, criticality, shielding and activation studies.
• Ensure quality, deadlines and budget adherence for projects.
• Foster collaboration, knowledge sharing and high-performance culture.
• Engage with clients and support commercial activities to grow the business.
• Assign tasks and monitor workloads across the team.

Skills

Leadership

Team management

Neutronics knowledge

Reactor physics

Project coordination

Education

Engineering degree or physics background

Job description

Are you passionate about nuclear engineering and ready to lead a team of highly skilled experts working on cutting-edge reactor physics and fuel studies? Do you enjoy combining technical excellence with people management while contributing to the safe and sustainable operation of nuclear facilities? Then we look forward to meeting you!

What we offer

• 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 support 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, hospitalization 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 or even part time. Tractebel participates in your home office expenses, through advantageous purchase programs and generous contributions to your internet and mobile plans.
• Holidays: 32 days with opportunity to buy 5 extra days.
• To celebrate our successes, and just have fun, we get together for team sports, afterworks, team -building activities, our annual party, and more.

Your key responsibilities

As Team Leader of the Neutronic Studies team, you will lead a multidisciplinary team of approximately 10 engineers specialized in reactor physics, criticality, shielding, activation and residual heat calculations. Reporting to the Core & Fuel Studies Group Manager, you will combine technical leadership, people management and operational coordination to ensure the successful delivery of projects.

Your responsibilities include:

• Conducting activities to ensure quality, respect for deadlines and budgets;
• Maintaining and developing team spirit;
• Promoting a collaborative, inclusive, and high-performance team culture;
• Driving continuous improvement and knowledge sharing within the team;
• Contributing to business growth through client engagement and support for commercial activities;
• Allocating tasks to team members under their responsibility, and coordinating their efforts with respect to their team missions and to requirements from other activities in application of the Matrix FunctionalStructure within the Core&Fuel Group;
• Updating/organizing the workload of the team members under their responsibility in consultation with the other parties;
• Monitoring the progress of studies performed by the team in coordination with the different technical leaders and project managers;
• Ensuring the individual assessment of team members, and performing annual performance reviews (including the assessment of team members, the definition of objectives and the identification of development needs);
• Reporting to the Core&Fuel Group Manager on the operation of the team and requiring arbitration in case of conflicting of priorities.

We would love to hear from people with

• You are a civil or industrial engineer, specialized in nuclear energy, nuclear physics or electromechanics, or B.Sc. in physics.
• You have a good knowledge of the nuclear industry and professional experience in this field.
• You have a good theoretical background in PWR nuclear systems and core physics phenomena.
• You have strong leadership skills : decision-making, communication, problem solving and organizational skills.
• You are able to inspire, motivate, and develop team members.
• You are able of managing & leading change and transformation initiatives.
• You are keen to develop your technical knowledge and ready to invest yourself in the domain.
• Practical experience in neutronics / reactor physics / nuclear field is an asset.
• You speak English and French or Dutch with a good practice of the other language.
• You are a good listener, dynamic and you enjoy working in a team.
• Habilitation : YES mandatory

Our Recruitment Process

• Pre-screening conversation/HR in-depth interview (on-site or via Teams) with the Talent Acquisition Partner
• 1 or 2 business interviews (preferably on-site) with your future manager

Research shows that men apply when they meet 60% of the requirements, while women only apply when they are convinced they meet 100%. Don’t let that hold you back we’d love to hear from you!

Who we are

Ready to engineer your positive impact? Then join Tractebel, part of theENGIE Group,and our 5,000 passionateexpertsaround the globe, driven by shaping a moresustainable worldevery day. Make your contribution tocarbon neutralityin markets likenuclear, renewables, power & gas, electrical grids, hydropower & dams, water resources & supply, desalination, complex & high-tech buildings, transport infrastructures, and ports & waterways.

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 ushere !

At ENGIE, every talent has a role to play in accelerating the energy transition.Make a difference and enjoy a fulfilling professional experience. Take on exciting challenges and build a career path that reflects who you are.Join us and be part of the adventure of the century!

Business Unit: Tractebel