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Research engineer, Radiation Therapy Physics


We are now looking to expand our innovative research department by employing a talented research engineer. RaySearch is always striving to improve the quality of radiotherapy and in this position you will assist in taking radiation therapy physics computations and modelling to the next level. The position is based at our new head office in central Stockholm and entitles fulltime, permanent work.

About the department

As a research engineer you will be part of our forward-thinking research team whose responsibility is to take brilliant ideas on how to advance radiotherapy planning and make them into prototype implementations. The prototypes are later productified by our development department to be parts of our advanced software for radiotherapy. 


In your role as a research engineer your main focus will be within the field of radiation transport physics and modelling. You will work within the physics group of the research department, but also be involved in several of our research collaborations with clinics all over the world.

Education and Experience 

  • MSc degree
  • 1-3 years experience is preferred, either in academy or industry, with solving physics modelling problems, but recently graduated can be of interest as well if documented experience can be provided.
  • Experience in radiation therapy and/or radiation transport modelling and use of Monte Carlo techniques is an advantage.



  • Fluent in Swedish and English
  • Programming skills including Python, C++
  • Programming skills in C# is an advantage 

Personal profile

In order to be successful in the role you should be able to take your own initiatives and take responsibility for your work tasks. We would like to see that you are flexible and easily adapt to changes, and that you are meticulous in your work so that tasks are thoroughly completed. It is important that you have an analytical approach to problem-solving. As a person you should be optimistic and like to work both independently and in a group.  


Working at RaySearch

RaySearch, a world leader in the field of advanced software for radiation therapy, offers a workplace with an open and positive atmosphere, where learning, creativity and collaborations are highly valued. Located in the heart of Stockholm, RaySearch provides you with a unique opportunity to work in a fast growing, international company where you can be proud of the products and solutions the company work towards. Read more about RaySearch.

Apply for this vacant position:

You are welcome to send your application including a resume marked with “Research engineer, Physics” as soon as possible by clicking on the button below. Please include any relevant scientific publications such as your master thesis report and published papers. The selection and interviewing process will be ongoing.

For further questions please contact Kjell Eriksson, Chief Science Officer.