Role description

Would you like to pioneer the development of the new generation of nuclear reactors?

We are supporting our partner – Moltex Energy – in seeking a Shielding Engineer to join their growing team in their efforts to contribute and respond to the world’s critical necessity of clean energy. They have the technology to transform the energy landscape, ushering in a new age of clean, low-cost energy for all.

As a Shielding Engineer, you will report to the Lead Physicist and partner closely with the diverse Moltex team. This role will require effective working across internal and external teams including molten salt chemistry, engineering, materials science, and manufacturing.

What Moltex offers…

Located in Birchwood, Warrington, Moltex offers the opportunity for daily interaction with a diverse team of scientific and engineering professionals working in an agile project delivery environment. For those on board, it is going to be a demanding but rewarding journey. Other benefits include:

  • Learning and development resources
  • Excellent growth opportunities
  • 25 days annual leave
  • 8 statutory holidays
  • Company pension scheme with options
  • Free, secure onsite parking
  • Close to travel networks and within walking distance of Birchwood station


You will be responsible for the development and maintenance of radiation physics and shielding models and simulations to substantiate the safe operation of the suite of Stable Salt Reactors. As a Shielding Engineer you will;

  • Develop and validate models and simulations.
  • Design shielding solutions to protect workers and the public.
  • Work with and build relationships with industry and academic experts to maximise input of existing knowledge and expertise into the reactor design, and other R&D activities.
  • Present and substantiate solutions to a variety of stakeholders, including regulatory bodies.

Skills, qualifications & experience

  • Higher degree in physics, including nuclear. PhD and/or industry experience an asset.
  • Understanding and experience of shielding modelling and simulation an asset.
  • Broad science and engineering appreciation with the demonstrable ability and intellect to understand other disciplines and apply this to their design and development work.
  • Knowledge of specific radiation shielding codes (e.g. ATTILA, MCBEND).
  • Ability to thrive in a rapidly changing environment.
  • Excellent team worker and an effective communicator.

Moltex is an equal opportunity employer. Moltex prides itself in having a team that promotes diversity, inclusion, leadership, mindfulness, high initiative, energy, and passion.

For more information about the role and organisation please click the “Apply for this position” or contact Olivia Mindrila at

My colleagues and I have in depth knowledge of the structure, current projects and future projects of organisations in the international nuclear energy industry. We use this information to map out where opportunities exist and then match the experts we represent with the right opportunities. If you are currently working in the nuclear industry then we can offer you advice, support and representation. Please feel free to contact me.

Olivia Mindrila