Postdoctoral Position in Nuclear Engineering (Royal Institute of Technology)

Institution: KTH Royal Institute of Technology, School of Engineering Sciences Location: Stockholm, Sweden Positions Available: 3 Employment Type: Temporary, Full-time (100%) Contract Duration: Up to 2 years Salary: Monthly salary (as per agreement) Reference Number: PA-2025-4278 Posted Date: 15 Dec 2025 Application Deadline: 20 Jan 2026 First Day of Employment: According to agreement Job Description KTH is seeking postdoctoral fellows to contribute to projects related to thermohydraulics and safety of small modular reactors (SMRs). The work includes analysis supporting the design and development of large-scale experimental facilities to be constructed and operated at KTH and Oskarshamn. Facilities will address important thermohydraulic phenomena relevant to both water and liquid lead-cooled SMRs. The position is part of national projects supported by the Swedish Energy Agency and has strong links with collaborative projects across Europe. Qualifications Requirements: Doctoral degree or equivalent foreign degree (to be completed no later than the employment decision). Doctoral degree in nuclear engineering, experimental and analytical thermohydraulics, or fluid mechanics. Preferred Qualifications: Doctoral degree obtained within the last three years prior to the application deadline. Knowledge and experience in experimental and analytical investigation of thermohydraulic phenomena relevant to the safety of water and lead-cooled nuclear reactors. Good communication and collaborative skills, ability to work independently and in a team. Motivation and dedication to research work. Teaching experience is an advantage. Awareness of diversity and equal opportunity issues, including gender equality. Emphasis will be placed on personal skills. About KTH KTH shapes the future through education, research, and innovation. As a leading international technical university, KTH advances the transition toward a sustainable society. Employees can grow and develop in a creative and dynamic environment with good working conditions and attractive benefits. Equality, diversity, and equal opportunities are integral to KTH’s core values. Learn more about working at KTH and the benefits here. Application Instructions Apply via KTH's recruitment system. Applicants are responsible for submitting a complete application, including: CV including relevant professional experience and knowledge Copy of diplomas and grades from previous university studies (translated into English or Swedish if necessary) Brief statement (max. 2 pages) describing research interests, academic background, and future goals Letters of support, if available, or contact details for 2–3 reference persons Applications must be received by midnight CET/CEST on the last day of application. Employment Notes The postdoctoral position is a time-limited qualified appointment focusing mainly on research, intended as a first career step after a dissertation. Some positions may require security clearance under the Protective Security Act (2018:585). Employment is contingent on approval. KTH does not accept contact from recruitment agencies or job ad salespersons. In case of discrepancies between Swedish and English versions of the announcement, the Swedish version takes precedence. Contact Information Professor Pavel Kudinov: pkudinov@kth.se Professor Pär Olsson, Head of Department: polsson@kth.se If you apply for this position please say you saw it on Engineeroxy

Institution: KTH Royal Institute of Technology, School of Engineering Sciences
Location: Stockholm, Sweden
Positions Available: 3
Employment Type: Temporary, Full-time (100%)
Contract Duration: Up to 2 years
Salary: Monthly salary (as per agreement)
Reference Number: PA-2025-4278
Posted Date: 15 Dec 2025
Application Deadline: 20 Jan 2026
First Day of Employment: According to agreement

Job Description

KTH is seeking postdoctoral fellows to contribute to projects related to thermohydraulics and safety of small modular reactors (SMRs). The work includes analysis supporting the design and development of large-scale experimental facilities to be constructed and operated at KTH and Oskarshamn. Facilities will address important thermohydraulic phenomena relevant to both water and liquid lead-cooled SMRs.

The position is part of national projects supported by the Swedish Energy Agency and has strong links with collaborative projects across Europe.

Qualifications

Requirements:

Doctoral degree or equivalent foreign degree (to be completed no later than the employment decision).
Doctoral degree in nuclear engineering, experimental and analytical thermohydraulics, or fluid mechanics.

Preferred Qualifications:

Doctoral degree obtained within the last three years prior to the application deadline.
Knowledge and experience in experimental and analytical investigation of thermohydraulic phenomena relevant to the safety of water and lead-cooled nuclear reactors.
Good communication and collaborative skills, ability to work independently and in a team.
Motivation and dedication to research work.
Teaching experience is an advantage.
Awareness of diversity and equal opportunity issues, including gender equality.

Emphasis will be placed on personal skills.

About KTH

KTH shapes the future through education, research, and innovation. As a leading international technical university, KTH advances the transition toward a sustainable society. Employees can grow and develop in a creative and dynamic environment with good working conditions and attractive benefits. Equality, diversity, and equal opportunities are integral to KTH’s core values.

Learn more about working at KTH and the benefits here.

Application Instructions

Apply via KTH's recruitment system. Applicants are responsible for submitting a complete application, including:

CV including relevant professional experience and knowledge
Copy of diplomas and grades from previous university studies (translated into English or Swedish if necessary)
Brief statement (max. 2 pages) describing research interests, academic background, and future goals
Letters of support, if available, or contact details for 2–3 reference persons

Applications must be received by midnight CET/CEST on the last day of application.

Employment Notes

The postdoctoral position is a time-limited qualified appointment focusing mainly on research, intended as a first career step after a dissertation.
Some positions may require security clearance under the Protective Security Act (2018:585). Employment is contingent on approval.
KTH does not accept contact from recruitment agencies or job ad salespersons.
In case of discrepancies between Swedish and English versions of the announcement, the Swedish version takes precedence.