C++ Software Engineer; SY-EPC-CCS--GRAP

As a Software Engineer, you will engage in the development, evolution, and long‑term maintenance of C++ software solutions running in Linux environments. Working within a collaborative team of software engineers and domain experts, you will contribute to the core control applications that govern more than 5,000 power converters across the accelerator complex.

• Design, develop, document, and maintain modern C++ control software for power converter systems.
• Take ownership of software components throughout their lifecycle, including the migration of applications to the FGCDv2 framework.
• Contribute to the evolution of the FGCDv2 framework by identifying, implementing, and validating improvements based on practical experience.
• Support software architecture, code quality, and CI/CD practices to ensure reliable, scalable, and maintainable solutions.
• Collaborate closely with software engineers, equipment specialists, and operational teams to deliver robust control applications.
• Supervise team members as part of the role.

• Strong proficiency in modern C++ and Linux‑based development environments.
• Experience designing, developing, and maintaining medium‑to‑large software systems, applying software quality practices such as testing, code review, continuous integration, and maintainability.
• Ability to take ownership of technical deliverables, communicate effectively, and collaborate within multidisciplinary teams.
• Interest or experience in hardware‑software integration, industrial systems, or control systems is an asset.
• Ability to learn French fairly quickly.

• You are a national of a CERN Member or Associate Member State.
• You have a professional background in software engineering or a related field and meet one of the following:
  • A Master's degree with 2 to 6 years of post‑graduation professional experience.
  • A PhD with no more than 3 years of post‑graduation professional experience.
• You have never held a CERN fellow or graduate contract before.

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‑October‑2026. Stand‑by duty may be required by the needs of the Organization. Job reference: SY‑EPC‑CCS‑2026‑115‑GRAP.

• A monthly stipend between 6,372 and 7,004 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.