FPGA Developer (SY-RF-LL-2026-129-GRAP)

Job Descriptionbr/br/pAre you passionate about digital design, digital signal processing, and experimental accelerator physics? Do you want to contribute to the modernisation of CERN's advanced linear accelerators? If so, this is an exceptional opportunity to bridge laboratory innovations with hands-on commissioning at a world-class facility. /ppIn this role, you will join the Accelerator Systems Department (SY) and work within the Radio Frequency (RF) Group. The group is responsible for the design, operation, and maintenance of the RF acceleration and deflecting systems across the entire CERN accelerator complex. As part of an ongoing consolidation and performance upgrade Low-Level Radio Frequency (LLRF) systems are being modernised. You will contribute directly to the design, prototyping, and implementation of a next-generation digital LLRF cavity controller. /ppstrongYour responsibilities: /strong /pulliDevelop FPGA firmware implementing precise real-time phase, amplitude, and resonance tuning algorithms. /liliDesign and integrate firmware components and fast diagnostic sub-systems. /liliDevelop Python-based tools and frameworks for automated hardware testing, parameter characterisation, and laboratory data analysis. /liliSupport the integration, laboratory validation, and commissioning of the new low-level cavity controllers directly. /li /ulpMore information a here /a. /ppstrongYour profile: /strong /ppuRequired experience: /u /pulliExperience in FPGA design and firmware development, preferably using VHDL. /liliFamiliarity with FPGA development environments and verification/debugging tools. /liliProgramming experience in Python or a similar language for test automation and data analysis. /li /ulpuDesired experience: /u /pulliExperience modeling or simulating digital signal processing (DSP) algorithms or control loops. /liliExposure to Radio Frequency (RF) concepts, basic control theory (like PID loops), or electronics hardware debugging. /liliFamiliarity with hardware testing and developing automated test benches for hardware validation. /li /ulpuSkills: /u /ppuRequired Skills: /u /pulliProficiency in digital design and FPGA development, ideally utilising VHDL or Verilog. /liliSolid programming skills in Python. /liliAbility to troubleshoot and validate mixed-signal hardware systems. /liliSpoken and written English, with a commitment to learn French. /li /ulpuDesired Skills: /u /pulliKnowledge of digital signal processing techniques, such as digital filtering, mixing, or I/Q modulation/demodulation. /liliUnderstanding of basic feedback control systems and control theory. /liliFamiliarity with version control workflows using Git and continuous integration (CI). /li /ulpuEligibility criteria: /u /pulliYou are a national of a a CERN Member or Associate Member State /a. /liliYou have a professional background in Electronics Engineering (or a related field) and have either:ullia strongMaster's degree with 2 to 6 years /strong of post-graduation professional experience; /lilior a strongPhD with no more than 3 years /strong of post-graduation professional experience. /li /ul /liliYou have never had a CERN fellow or graduate contract before. /li /ulbrAdditional Informationbr/br/pJob closing date: strong at 23:59 CEST. /strong /ppContract duration: 24 months, with a possible extension up to 36 months maximum. /ppWorking hours: 40 hours per week /ppJob flexibility: Hybrid /ppTarget start date: 01-September-2026 /ppThis position involves: /pulliWork in Radiation Areas. /liliInterventions in underground installations. /liliA valid driving licence. /liliStand-by duty, when required by the needs of the Organization. /li /ulpJob reference: SY-RF-LL- -GRAP /ppField of work: Electrical or Electronics Engineering /ppBenchmark job: - Electronics Engineer /p pstrongGlobal Benefits /strong /pulliA monthly stipend between Swiss Francs per month (tax free) depending on your degree. /lili30 days of paid leave per year plus 2 weeks annual closure. /liliCoverage by CERN’s comprehensive health insurance scheme (for yourself, your spouse and children), and membership of the CERN Pension Fund. /liliFamily, child and infant monthly allowances depending on your individual circumstances. /liliA relocation package (installation grant and travel expenses) depending on your individual circumstances. /liliPossibility to extend your contract up to 36 months. /liliOn-the-job and formal training including language classes. /li /ulpstrongOverview of CERN - Discover a world where the impossible is made possible! /strong /ppAt 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. Together, we foster an environment where innovation and collaboration thrive. /ppEvery day, we face exciting new challenges and opportunities to contribute to cutting-edge research that shapes our understanding of the universe. We meet these challenges through the diverse perspectives within our teams, ensuring every contribution is valued and driving our shared sense of inclusion and purpose. Diversity is a core value of CERN since its foundation, and it remains central to our mission and continued success. /ppIf you are ready to be part of a dynamic, inclusive community pushing the boundaries of knowledge, CERN is the place where your curiosity and skills can thrive. Be part of our mission to uncover what lies at the heart of the universe! strongTAKE PART! /strong /ppstrongMore information about us, here: /stronga strongcareers.cern /strong /a /p