Full-Stack Software Engineer CERN's PLM Platform; EN-IM-PLM--GRAE

Job Description

The Engineering Department's Information Management group is seeking a highly motivated full stack software engineer with strong technical skills and a passion for learning. The group is leading a major modernisation effort to simplify a heterogeneous application landscape and enable the Organisation's move toward engineering Digital Twins, supporting more than 5000 users.

You will join an international team within the PLM (Product Lifecycle Management) section, delivering engineering information management solutions for the entire accelerator complex and its detectors. This includes managing millions of engineering documents, product definitions, and CAD models.

• Implement backend applications using Java or .NET.
• Build web applications using modern technologies (React/Electron/Typescript).
• Integrate 3D model visualisation technologies: web and native viewers, virtual/augmented reality.
• Perform code reviews, testing, delivery, and support of the software.
• Carry out data analysis and data migrations.
• Be part of a project delivering engineering Digital Twins of CERN installations.

• Experience and/or strong knowledge in developing and maintaining large software projects using the .NET or Java Enterprise Edition stacks.
• Experience and/or strong knowledge with relational databases such as Oracle, PostgreSQL, or SQL Server as part of large-scale systems.
• Experience and/or strong knowledge in Agile and Dev Ops practices in a collaborative team environment.

• Backend development using Java or .NET.
• Frontend development using React or Angular.
• Experience with SQL databases (i.e. Oracle, SQL Server).
• Git.
• CI/CD tools.
• Spoken and written English, with a commitment to learn French.

• You are a national of a CERN Member or Associate Member State.
• By the Final date to receive applications, you have a maximum of two years of professional experience since graduation in Information Technology (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: 19.07.2026 at 23:59 CEST.
• Contract duration: 24 months, with a possible extension up to 36 months.
• Working hours:
  
  40 hours per week.
• Job flexibility:
  Hybrid.
• Target start date: 01-September-2026.
• Job reference: EN-IM-PLM--GRAE.
• Field of work:
  Software Engineering and IT.
• Benchmark job: 200020 - Computing Engineer.

• A monthly stipend between  Swiss Francs per month (tax free) 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.