Summer worker, Automation Tester

Big Science Sweden; Danmark; Hybrid; USD 20,664 - 34,440; Full time

Job summary

Big Science Sweden is looking for a summer worker for the Digital Solutions group in the IT division. The role focuses on automation testing, requiring a background in Computer Science or Software Engineering and experience with test automation tools like Selenium. This position is for 12 weeks starting on June 8, 2026, with responsibilities including developing and executing automated test scripts. Candidates must have good communication skills and the ability to collaborate in an international environment.

Qualifications

• Background in Computer Science, Software Engineering, or related field.
• Prior experience with test automation tools.
• Experience with CI/CD implementation is advantageous.

Responsibilities

• Support the team in the development and implementation of automated test scripts.
• Execute automated test scripts in different environments.

Skills

Test automation experience

CI/CD implementation

Scripting languages (JavaScript, JS, HTML)

Good communication skills

Education

Computer Science or Software Engineering

Tools

TestComplete

Playwright

Selenium

GitLab

Kubernetes

Job description

Overview

The European Spallation Source (ESS) in Lund, Sweden is a partnership of 13 European countries with the mission to design, construct and operate the world’s most powerful neutron source.

Working with us means being part of a challenging and exciting work environment, at a stunning, brand new workplace filled with innovative minds and brilliant people from across the globe.

About the position

We are now looking to appoint a summer worker for the Digital Solutions group in the IT division. The Digital Solutions group is responsible for maintaining, developing, and deploying different applications.

As an Automation Tester summer worker, your tasks will primarily focus on supporting the team in the development and implementation of automated test scripts for different platforms and executing them in different environments.

About you

A suitable background for this position would be:

• Having a background in Computer Science, Software Engineering, or a related field
• Prior experience with test automation (e.g. TestComplete or Playwright or Selenium)
• Experience with CI/CD implementation (e.g. GitLab and Kubernetes) is advantageous
• Good knowledge of scripting language – JavaScript or JS or HTML
• Good written and oral communication skills in English
• Minimum age 18 years

We believe that you enjoy communicating and collaborating with a variety of people in an international environment. You are good at taking initiative and not afraid to ask questions. You are a responsible and proactive person with the ability to propose and implement improvements within the scope of your assigned tasks.

Duration and location

This is a summer work position of 12 weeks. Planned start date is June 8, 2026 or per agreement. Your workplace is on-site at ESS in Lund, Sweden.

How to apply

Please provide your CV in English by clicking on “apply” and following the instructions. Please note that we only accept applications via the ESS website. The last day to apply is 5 May 2026.

Certain roles at ESS require health and safety and/or security checks, which may be carried out during the recruitment process.

Contact Persons

For further information regarding the position, please contact Recruiting Manager, IT Operations and Support Group Leader, Johan Olander at [e-mail]

For trade union information, please contact Unionen representative Nerusha Naicker at [e-mail] or SACO/Swedish Association of Graduate Engineers representative Marc Kickulies at [e-mail]