Institution: School of Industrial Engineering and Management, KTH Royal Institute of Technology
Location: Stockholm, Stockholms län, Sweden
Type of Employment: Full-time, Temporary
Full-Time Equivalent: 100%
First Day of Employment: According to agreement
Salary: Monthly salary
Number of Positions: 1
Reference Number: PA-2025-2603
Published: 27 August 2025
Last Application Date: 22 February 2026
KTH is seeking a postdoctoral fellow to develop and improve models and codes for assessment of the liquid source term during severe accidents (SA) of LWR systems.
Research focus includes:
Assessment of the characteristics of the containment water pool using system codes.
Thermodynamic and kinetic aspects of Cs and Sr chemistry.
Model development and implementation into system codes.
This project contributes to the EU project SOCRATES, addressing gaps in understanding the liquid source term during severe accidents and providing innovative solutions to mitigate and monitor the release of radionuclides into the environment.
A position at a leading technical university committed to a sustainable future.
Access to computational resources developed as part of the project.
Collaborations with national and international organizations leading nuclear reactor safety research.
Creative, international, and dynamic working environment.
Work in Stockholm with close proximity to nature.
Guidance on relocating and settling in KTH and Sweden.
Requirements:
Doctoral degree (or equivalent foreign degree) in nuclear engineering, nuclear power safety, radiochemistry, nuclear chemistry, or similar. Eligibility must be met before the employment decision is made.
Extensive experience in material science, severe accident research, and safety analyses.
Research expertise and teaching abilities.
Awareness of diversity and equal opportunity issues, with a focus on gender equality.
Preferred Qualifications:
Doctoral degree obtained within the last three years prior to the application deadline.
Knowledge and experience with severe accident system codes.
Knowledge and experience with thermodynamic tools for composition equilibrium assessment.
Strong communication, teamwork, and collaborative skills; ability to work independently.
Motivation and dedication to research.
Teaching experience is an advantage.
Strong personal skills are emphasized.
Applicants must submit their application through KTH's recruitment system. Applications must include:
CV including relevant professional experience and knowledge.
Copy of diplomas and grades from previous university studies (translations into English or Swedish if original documents are in another language).
Brief statement (max 2 pages) explaining why you want to conduct research, academic interests, and relation to previous studies and future goals.
Contact details for 2–3 reference persons (and letters of support if available).
Applications must be received by midnight CET/CEST on the last day of application.
The position is time-limited for a maximum of two years.
A postdoctoral fellowship is a time-limited appointment focusing on research as a first career step after a dissertation.
KTH promotes gender equality, diversity, and equal conditions.
Security clearance may be required in accordance with the Protective Security Act (2018:585).
KTH does not accept contact from staffing/recruitment agencies or job ad salespersons.
KTH Royal Institute of Technology in Stockholm is one of Europe’s leading technical and engineering universities and Sweden’s largest technical research and learning institution. Research and education cover natural sciences, engineering, architecture, industrial management, urban planning, history, and philosophy.
Andrei Komlev – komlev@kth.se
Pär Olsson – polsson@kth.se
Sevostian Bechta – bechta@kth.se
Weimin Ma – weimin@kth.se