About the company
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.
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
Requirements
- 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: PHP, Python & MySQL; Open Journal Systems (OJS) or similar; CI/CD, Docker, Helm, Kubernetes / OpenShift
- Spoken and written English, with a commitment to learn French
- Eligibility criteria: national of a CERN Member or Associate Member State; maximum of two years of professional experience since graduation in Software Engineer or Computer Science (or a related field); highest educational qualification is either a Bachelor's or Master's degree; never had a CERN fellow or graduate contract before; applicants without University degree are not eligible; applicants with a PhD are not eligible
Conditions
- Job closing date: 28.10.2026 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; work during nights, Sundays and official holidays, when required
- Job reference: IT-CA-OSI-2026-213-GRAE
- Field of work: Information Technologies
- Benchmark job: 200020 - Computing Engineer
- 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, 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