Full-Stack Software Engineer (IT-FCS-CT-2026-215-GRAE) — CERN
NewCHF 71'000 - 107'500
CERN · Geneva (GE)
- Location
- Genève
- Contract
- full-time
- Posted
- 4 days ago
SalaryCHF 71'000 - 107'500
Role overview
of CERN
Discover a world where the impossible is made possible!
- of CERN
- Discover a world where the impossible is made possible!
- Your responsibilities:
- Contribute to the development of CERN's network automation tools, focusing on faster and more flexible IP address provisioning.
- Experience in software development through professional experiences, academic projects, internships, traineeships or personal/open-source projects.
Main responsibilities
- Your responsibilities:
- Contribute to the development of CERN's network automation tools, focusing on faster and more flexible IP address provisioning.
- A key task will be to work on live DHCP updates, allowing DHCP leases to be configured dynamically and enabling near-instant IP address allocation for users and services.
- Extend IP Address Management support for Layer 2 interfaces, improving how network interfaces, devices and IP resources are modelled and managed.
- This work will involve back-end development, database modelling, API integration and collaboration with network engineers to deliver reliable features for CERN's production network.
- Maintain and further develop the IT-FCS Web interfaces used by all CERN users to request network/telephony changes.
- Together with the other members of the team, participate in the design and development of new modules for the internal IT-FCS network and telecom management framework, such as Technical Network firewall configuration automation/provisioning.
- Promote and develop DevOps processes and tools to further increase the automation and the quality of the produced software.
- Propose and implement changes in our database model and network APIs in order to support service integration solutions in the CERN data centers.
- Stay up to date on latest software technology trends.
Key requirements
- Experience in software development through professional experiences, academic projects, internships, traineeships or personal/open-source projects.
Application process
- Are you a talented Software Engineer, passionate about developing Web applications using state-of-the-art UX/UI technology?
- Do you enjoy designing scalable back-end systems for communication systems and working on several layers of the software stack?
- Work with us to develop and evolve CERN's advanced Network and Telecom infrastructure providing automation solutions for its effective management!
- The Fabric & Communication Systems (FCS) Group is responsible for all aspects of network and telephony provision at CERN.
- We support a campus network (cabled and Wi-Fi) with over 50,000 connected devices, a 5Tb/s non-blocking switching fabric for a data centre with over 10,000 servers, more than 4,000 switches with 10Gb/s interfaces, and external connections including multiple trans-border 100Gb/s circuits.
- The FCS group also operates its own VoIP telephony system, dedicated mobile telephony services (6500 subscriptions), a TETRA digital radio system (500 terminals) and a LoRaWAN network.
- As a member of the Communication Tools (CT) Section in the FCS Group, you will join a team of passionate
- Software Engineers in charge of the design, development and maintenance of the software suite used to model, configure, support and manage the CERN networks and telecom infrastructures.
Company and context
- 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-FCS-CT-2026-215-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.
- At CERN, the European Organization for Nuclear Research, we are pushing the frontiers of science and technology.
Additional details
- Familiarity with software development practices such as version control, testing or continuous integration would be an advantage.
- Spoken and written English, with a commitment to learn French. Eligibility criteria:
- 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:
- Work during nights, Sundays and official holidays, when required by the needs of the Organization. Job reference: IT-FCS-CT-2026-215-GRAE Field of work: Information Technologies Benchmark job: 200020 Computing Engineer
Notes and original content
- Your profile:
- Spoken and written English, with a commitment to learn French.
- Eligibility criteria:
- 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:
- Work during nights, Sundays and official holidays, when required by the needs of the Organization.
- Job reference: IT-FCS-CT-2026-215-GRAE
Questions about this listing
What salary does CERN offer for this role?
CERN lists CHF 71'000 - 107'500 gross per year for this position in Genève. This is the salary published in the original listing (or, when the employer omits a figure, a realistic estimate for the role and sector) — the calculator on this site converts it to your actual net take-home once cross-border tax and social contributions are applied.
Is this a full-time role, and what type of contract does CERN offer?
This listing is a full-time position. The contract type shown here comes directly from the employer's original posting; always confirm exact hours, notice period and probation length with CERN during the application process, since these details can vary by role even within the same contract category.
Do I need a cross-border work permit for a role in Geneva?
EU/EFTA residents living in the border zone of the country adjoining Canton Geneva can apply for a G permit; the Swiss employer files it with that canton's migration office after the contract is signed. Border-zone rules and processing times vary by neighbouring country and canton, so confirm the specifics with Geneva's cantonal migration office or with HR during the application.
How do I apply for this position at CERN?
Use the "Apply now" button on this page — it links directly to CERN's original listing at jobs.smartrecruiters.com, so your application goes straight to the employer's own applicant-tracking system. Frontaliere Ticino does not collect or forward applications itself.
