Job Descriptionbr/br/pJoin CERN's detector RD program for future high-energy physics experiments, working on advanced optical communication technologies for next-generation particle detectors. In this role, you will contribute to the development of radiation-tolerant Silicon Photonics components for high-speed data transmission in challenging environments. Your work will include hands-on laboratory characterisation of Silicon Photonics circuits and the design of innovative photonic devices. This position offers the opportunity to work at the intersection of photonics, electronics, and particle detection technologies. /ppstrongYour responsibilities /strong /pulliContribute to the electro-optical characterisation of custom-designed photonic integrated circuits (PICs). /liliValidate the PIC measurement results against optical simulations. /liliSupport the integration and evaluation of PICs with particle readout chips (ROCs). /liliPrototype and demonstrate coarse wavelength-division multiplexing (CWDM) data-transmission systems. /liliCharacterise and benchmark different data-link architectures. /liliSimulate and design a new generation of test PICs based on measurement results from existing PICs. /liliPresent the progress to project meetings and conferences. /liliDocument measurement and simulation results and methods. /li /ulpstrongYour profile /strong /pulliProven experience in design and simulation of photonic components and integrated photonic circuits. /liliExperience in laboratory characterisation of optical and photonic components using OSAs, tunable lasers, and power meters. /liliProven experience in high-speed electro-optical measurements utilising pattern generators, oscilloscopes, error detectors, VNAs, and spectrum analysers. /liliHands-on experience in automation of measurement setups for opto-electronic devices. /liliExtended experience in analysis and interpretation of experimental and measurement data. /li /ulpuSkills /u /pulliExpert user of photonic simulation tools (e.g., Ansys Lumerical, Synopsys RSoft). /liliProficient user of electronic and optical laboratory instrumentation, including high-speed measurement techniques. /liliExpert user of C-based programming languages or Python. /liliExpert in data analysis and visualisation using Python, MATLAB, or equivalent. /liliFamiliar with Linux-based development environments. /liliSpoken and written English, with a commitment to learn French. /li /ulpuEligibility criteria: /u /pulliYou are a national of a a CERN Member or Associate Member State /a. /liliYou have a professional background in Electronic Engineering or Physics (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: Fully Onsite /ppTarget start date: 01-September-2026 /ppThis position involves: /pulliWork during nights, Sundays and official holidays. /liliWork in Radiation Areas. /liliWork during nights, Sundays and official holidays, when required by the needs of the Organization. /li /ulpJob reference: EP-ESE-BE- -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