Software Developer - Beam Optics (BE-ABP-LNO-2026-132-GRAP) — CERN
- Location
- Genève
- Contract
- full-time
- Posted
- Yesterday
Role overview
Join the Linear and Non-Linear Optics (LNO) Section within CERN's Accelerator and Beam Physics (ABP) Group and help shape the future of the High-Luminosity Large Hadron Collider (HL-LHC).
As part of the Optics Measurement and Correction (OMC) team, you will develop advanced software and analysis tools that enable precise beam-optics measurements and corrections, as well as improve commissioning procedures.
Your work will play a key role in ensuring the safe, reliable, and high-performance operation of the HL-LHC, contributing directly to the successful delivery of its novel physics programme. of CERN
- Join the Linear and Non-Linear Optics (LNO) Section within CERN's Accelerator and Beam Physics (ABP) Group and help shape the future of the High-Luminosity Large Hadron Collider (HL-LHC).
- As part of the Optics Measurement and Correction (OMC) team, you will develop advanced software and analysis tools that enable precise beam-optics measurements and corrections, as well as improve commissioning procedures.
- Your responsibilities
- Maintain and extend the core OMC framework and toolset used during LHC commissioning and operation.
- Background in programming and software design, with experience in Python.
- Familiarity with version control systems and collaborative workflows (Github).
Main responsibilities
- Your responsibilities
- Maintain and extend the core OMC framework and toolset used during LHC commissioning and operation.
- Explore software solutions to improve the efficiency and capability of optics measurement and corrections in the LHC.
- Update accelerator model creation and correction algorithms to utilise new simulation tools.
- Explore the viability of automation for key measurement and analysis workflows, implementing solutions where possible.
- Develop new GUIs and analysis tools to be used in the CERN Control Centre during optics commissioning.
- Participate in, and contribute to the analysis of, optics measurements in the CERN accelerators.
Key requirements
- Background in programming and software design, with experience in Python.
- Familiarity with version control systems and collaborative workflows (Github).
- Experience of GUI development.
- Knowledge of particle accelerator physics and operation would be an advantage. Skills
- Software development. in Python. GUI development
- Ability to test, diagnose and optimise existing software.
- Structured approach towards work, good prioritisation skills to deliver results on required time-lines.
- Ability and willingness to share knowledge and participate in knowledge transfer activities.
- Strong teamwork and communication skills.
- Interest in developing and maintaining software solutions for applied physics, particularly the field of accelerator physics.
- Spoken and written English or French, with a commitment to learn the other language. Eligibility criteria:
- You are a national of a CERN Member or Associate Member State .
Company and context
- Work during nights, Sundays and official holidays, when required by the needs of the Organization. Job reference: BE-ABP-LNO-2026-132-GRAP Field of work: Applied Physics Benchmark job: 200140 Applied Physicist Global Benefits
- A monthly stipend between 6372-7004 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.
- 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.
Additional details
- Your work will play a key role in ensuring the safe, reliable, and high-performance operation of the HL-LHC, contributing directly to the successful delivery of its novel physics programme.
- Knowledge of particle accelerator physics and operation would be an advantage.
- Software development. in Python.
- Spoken and written English or French, with a commitment to learn the other language. 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-January-2027 This position involves:
- Work during nights, Sundays and official holidays, when required by the needs of the Organization. Job reference: BE-ABP-LNO-2026-132-GRAP Field of work: Applied Physics Benchmark job: 200140
Notes and original content
- Your profile
- GUI development
- Spoken and written English or French, with a commitment to learn the other language.
- 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-January-2027
- This position involves:
- Work during nights, Sundays and official holidays, when required by the needs of the Organization.
Questions about this listing
What salary does CERN offer for this role?
CERN lists CHF 63'000 - 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.
