Postdoc in Nuclear Engineering (Two-Phase Flow Sensors for Small Modular Reactors) at KTH, Stockholm

Job Description

KTH’s School of Engineering Sciences is hiring a postdoc in nuclear engineering to develop two-phase flow measurement methods. The goal is a probe that measures void fraction and velocity under prototypic reactor conditions, using miniature sensors in the HWAT facility, which studies thermal-hydraulics relevant to small modular reactors.

At a glance

• Position: Postdoctoral fellow, up to two years
• Where: KTH, School of Engineering Sciences, Stockholm
• Funding context: European collaborative project and a national project supported by the Swedish Radiation Safety Authority (SSM)
• Contacts: Pavel Kudinov (pkudinov@kth.se), Jens H Bardarson (bardarson@kth.se)
• Reference: PA-2026-2482
• Apply: 22 September 2026 (midnight CET/CEST)

About the nuclear engineering two-phase flow project

• Develop experimental methods for two-phase flows
• Design a probe for void fraction and velocity at reactor-like conditions
• Develop ways to manufacture miniature sensors
• Use the sensors in the HWAT thermal-hydraulics facility
• Contribute to the European and national project teams

What to include in your application

KTH asks for a CV with relevant professional experience, copies of your diplomas and grades (with English or Swedish translations if the originals are in another language), a statement of at most two pages on your academic interests, how the project fits your goals and why you are the best candidate, and letters of support or contact details for two or three referees. Applications go through KTH’s recruitment system and must be complete by midnight CET/CEST on the closing date.

What KTH is looking for

• A doctoral degree (or equivalent) by the time of the employment decision
• A doctorate in experimental nuclear engineering, micro-mechanics, sol-gel chemistry or experimental thermal-hydraulics

Nice to have

• A PhD within three years of the deadline
• Experience with two-phase flow experiments, sol-gel coating, micro-mechanical manufacturing or high-frequency signal processing
• Teaching experience

Pay and location

KTH’s advert lists a monthly salary but does not state the amount. The post is full time in Stockholm for at most two years.

How to apply

Apply through the official KTH page. The closing date is 22 September 2026 (midnight CET/CEST).

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