Research-technical specialist in coupled neutron-thermal-fluid calculations for nuclear reactors/UZ3

Competition opened on: 
29 Dec 2023 - 13:00
Application submission deadline: 
12 Jan 2024 - 23:45

The National Centre for Nuclear Research opens the competition for the position of

Research-technical specialist in coupled neutron-thermal-fluid calculations for nuclear reactors

Location: Otwock - Świerk - in the outskirts of Warsaw with daily transport services provided. 

Job/tasks description: 

  • Active participation in the work of teams on neutron and thermal-hydraulic calculations with a view to extending this to coupled calculations for different nuclear reactors.  
  • Joining the work of computational teams creating the technical documentation of the High-Temperature Gas-Cooled Reactor (HTGR).
  • Joining the work of design teams creating the technical documentation of the High-Temperature Gas-Cooled Reactor (HTGR).
  • Preparation of materials for scientific articles and conference presentations.
  • Analytical work in the field of NCBJ activity: creating documents and substantive materials (reports, presentations, notes) and organizational (reports, reports, etc.), translations.
  • Performing other activities ordered by the Laboratory head and other superiors at NCBJ.
  • Performing duties in accordance with the Institute's Working Regulations.
  • Compliance with state and official secrets, work discipline, health and safety regulations, fire regulations, rules of protection against ionizing radiation.


  • Holding a PhD in science or technology
  • Ability to perform neutron calculations using the SERPENT code.
  • Ability to perform thermal-hydraulilc calculations using the OpenFOAM code.
  • Ability to programme in the Python language.
  • Experience in coupled neutron-thermal-fluid calculations.
  • Minimum 3 years of experience in the research profile related to nuclear energy.
  • Strong communication skills and ability to work in a team.
  • Very good command of the English language (minimum B2).
  • Willingness to present results in meetings and seminars.
  • Ability to present results in the form of technical reports and scientific publications.

We appreciate:

  • Scientific achievements in the form of publications and conference materials. 
    Experience in the implementation of research and technical projects.
    Knowledge of the MCB neutron code.
    Experience of supercomputers and version control systems.

We offer:

  • Employment in one of the largest research Institute in Poland. 
  • Excellence with full research autonomy and being part of a diverse and supportive team of professionals. 
  • External and internal trainings in hard and soft skills as well as participation in conferences 
  • A chance to make ones’ own mark by participation in the creation of interesting and ambitious projects. 
  • Work in Polish and international networks with research institutes and industrial companies. 
  • Personal and professional development with diverse range of tasks and challenges. 
  • Employment based on an employment contract. 
  • Stable working conditions without overtimes and friendly atmosphere. 
  • Additional annual salary and other social security benefits. 
  • Company transport from Warsaw to NCBJ and backwards (more:
  • Funding for external and internal trainings. 
  • Working with cutting edge technology at one of the largest supercomputer centers in Poland.


Contact: prof. Mariusz Dąbrowski,, tel. 22 273 14 30

All applications should be sent by e-mail to: 

As an attachment to your application please sign and enclose the following declarations:

I agree for my personal data included in the application documents to be processed by National Centre for Nuclear Research with its registered office in Otwock, 7 Andrzej Sołtan Street, 05-420 Otwock, for a period of 12 months from their submission, in order to carry out future recruitment processes.

Others information:

We reserve the right to contact only selected candidates and the right to inform about the decision to fill the post only to the selected candidate.

Information in accordance with Article 13 RODO on the processing of personal data:

  1. The Personal Data Controller of your personal data is the National Centre for Nuclear Research (hereinafter referred to as Controller or NCBJ) with its registered office in Otwock, 7 Andrzej Sołtan Street, 05-400 Otwock. 
  2. Your personal data will be processed for recruitment purposes on the basis of applicable law, including the Labour Code.  Data not required by law, provided by you in your documents, will be processed on the basis of your consent. Your consent is given by the transfer of this data.
  3. The full content of the information clause of Article 13 RODO is available at

The National Centre for Nuclear Research is awarded by “HR Excellence in Research”. Recruitment is based on OTM-R system (Open, Transparent and Merit-based recruitment practices in Research Performing Organisations).