Software and Infrastructure Engineer - European Organization for Nuclear Research (Geneva)

About this position

The summary below is published by European Organization for Nuclear Research on the official vacancy notice. Our own analysis — salary realism, comparable openings, career trajectory, language profile — follows further down the page.

Key responsibilities

According to the vacancy notice, the role centres on the following duties:

• Develop the OJS application and plugins, testing integrations with external services
• Contribute improvements to open-source projects such as OJS and related components
• Deploy and maintain the Open Research Europe infrastructure using Kubernetes/OpenShift and automated CI/CD workflows
• Participate in system testing, performance checks, documentation of procedures, and day-to-day operational support

Are you eligible?

Check these requirements from the notice before investing time in an application:

• Education: Bachelor's or Master's degree in Software Engineer, Computer Science, or a related field
• Experience: Maximum of two years of professional experience since graduation
• Languages: English (spoken…), French (commitm…)
• Key skills: PHP, Python, MySQL, Laravel stack, Open Journal Systems (OJS), CI/CD, Docker, Helm, Kubernetes, OpenShift
• Eligibility: National of a CERN Member or Associate Member State. Never had a CERN fellow or graduate contract before. Must have a University degree. Applicants with a PhD are not eligible.

Contract and working arrangements

Contract duration: 24 months, with a possible extension up to 36 months maximum.

Working arrangements: Hybrid.

Hiring unit: Information Technologies.

Position details

Reference

IT-CA-OSI-2026-213-GRAE

Last Verified

1 September 2026

Position overview

This is the official EU Careers listing for Software and Infrastructure Engineer at CERN based in Geneva (Other). The vacancy reference is IT-CA-OSI-2026-213-GRAE. The role falls under the Research domain.

You will contribute to developing, deploying, and maintaining the application supporting the Open Research Europe publishing platform based on Open Journal Systems (OJS). Working under the guidance of a senior engineer, you will develop, test, and operate the platform and its integrations to ensure secure and reliable service delivery in close collaboration with the business and editorial operations team.

Your responsibilities:

- Contribute to developing the OJS application and plugins, testing integrations with external services. - Contribute improvements to open-source projects such as OJS and related components. - Assist in the deployment and maintenance of the Open Research Europe infrastructure using Kubernetes/OpenShift and automated CI/CD workflows. - Participate in system testing, performance checks, documentation of procedures, and day-to-day operational support.

Your profile:

- Demonstrated experience in developing web applications, in particular PHP and Laravel stack. - Familiarity with Open Journal Systems (OJS) source code, plugin system and workflows will be a plus. - Experience with containerised infrastructure and orchestration tools (Kubernetes or OpenShift), and knowledge of system administration, CI/CD pipelines, and infrastructure automation (e.g. Helm, GitLab CI) will be a plus. - Strong problem-solving and communication skills, with an interest in open-source development and collaborative work.

Skills:

- Scripting and integrations: PHP, Python & MySQL. - Web platform management: Open Journal Systems (OJS) or similar. - Deployment, Infrastructure and Containers orchestration: CI/CD, Docker, Helm, Kubernetes / OpenShift (Container orchestration). - Spoken and written English, with a commitment to learn French.

Eligibility criteria:

- You are a national of a CERN Member or Associate Member State. - By the application deadline, you have a maximum of two years of professional experience since graduation in Software Engineer or Computer Science (or a related field) and your highest educational qualification is either a Bachelor's or Master's degree. - You have never had a CERN fellow or graduate contract before. - Applicants without University degree are not eligible. - Applicants with a PhD are not eligible.

Job closing date: 22.09.2026 at 23:59 CEST.

Contract duration: 24 months, with a possible extension up to 36 months maximum.

Working hours: 40 hours per week

Job flexibility: Hybrid

Target start date: 01-November-2026

This position involves:

- Stand-by duty, when required by the needs of the Organization. - Work during nights, Sundays and official holidays, when required by the needs of the Organization.

Job reference: IT-CA-OSI-2026-213-GRAE

Field of work: Information Technologies

Benchmark job: 200020 - Computing Engineer

Global Benefits

- A monthly net stipend of either 5266 or 5793 Swiss Francs per month depending on your degree. - 30 days of paid leave per year plus 2 weeks annual closure. - Coverage by CERN’s comprehensive health insurance scheme (for yourself, your spouse and children), and membership of the CERN Pension Fund. - Family, child and infant monthly allowances depending on your individual circumstances. - A relocation package (installation grant and travel expenses) depending on your individual circumstances. - Possibility to extend your contract up to 36 months. - On-the-job and formal training including language classes.

Overview of CERN -Discover a world where the impossible is made possible!

At CERN, the European Organization for Nuclear Research, we are pushing the frontiers of science and technology. Our groundbreaking work brings together not only physicists but also a diverse range of professionals from engineering, technical, scientific, and administrative fields. Together, we foster an environment where innovation and collaboration thrive.

Every day, we face exciting new challenges and opportunities to contribute to cutting-edge research that shapes our understanding of the universe. We meet these challenges through the diverse perspectives within our teams, ensuring every contribution is valued and driving our shared sense of inclusion and purpose. Diversity is a core value of CERN since its foundation, and it remains central to our mission and continued success.

If you are ready to be part of a dynamic, inclusive community pushing the boundaries of knowledge, CERN is the place where your curiosity and skills can thrive. Be part of our mission to uncover what lies at the heart of the universe!TAKE PART!

More information about us, here:careers.cern

Application timeline

This vacancy was first listed on 1 September 2026, today.

No closing date is published in the source feed for this position. EU vacancies typically remain open for four to eight weeks; check the official vacancy notice for the cut-off date and time.

Last verified against the EU Careers feed on 1 September 2026.

Where to learn more

For headcount, mission, and other open vacancies at CERN see the CERN institution page; for the cost of living, correction coefficient, and other postings in Geneva see our Geneva location page; for related vacancies in the Research field browse our Research domain page.

New to EU careers? Our beginner's guide walks through entry routes, EPSO competitions, and what to prepare. For application logistics see application tips and EPSO competitions.