Silicon photonics characterisation and design engineer (ep-ese-be-2026-109-grap)

Ph3Silicon Photonics Characterisation and Design Engineer (EP-ESE-BE- -GRAP) /h3 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. /p bYour responsibilities /b ul liContribute to the electro-optical characterisation of custom-designed photonic integrated circuits (PICs). /li liValidate the PIC measurement results against optical simulations. /li liSupport the integration and evaluation of PICs with particle readout chips (ROCs). /li liPrototype and demonstrate coarse wavelength-division multiplexing (CWDM) data-transmission systems. /li liCharacterise and benchmark different data-link architectures. /li liSimulate and design a new generation of test PICs based on measurement results from existing PICs. /li liPresent the progress to project meetings and conferences. /li liDocument measurement and simulation results and methods. /li /ul bYour profile /b ul liProven experience in design and simulation of photonic components and integrated photonic circuits. /li liExperience in laboratory characterisation of optical and photonic components using OSAs, tunable lasers, and power meters. /li liProven experience in high‑speed electro‑optical measurements utilising pattern generators, oscilloscopes, error detectors, VNAs, and spectrum analysers. /li liHands‑on experience in automation of measurement setups for opto-electronic devices. /li liExtended experience in analysis and interpretation of experimental and measurement data. /li /ul bSkills /b ul liExpert user of photonic simulation tools (e.g., Ansys Lumerical, Synopsys RSoft). /li liProficient user of electronic and optical laboratory instrumentation, including high‑speed measurement techniques. /li liExpert user of C-based programming languages or Python. /li liExpert in data analysis and visualisation using Python, MATLAB, or equivalent. /li liFamiliar with Linux-based development environments. /li liSpoken and written English, with a commitment to learn French. /li liYou have a professional background in Electronic Engineering or Physics (or a related field) and have either: ul lia bMaster's degree with 2 to 6 years /b of post-graduation professional experience; /li lior a bPhD with no more than 3 years /b of post-graduation professional experience. /li /ul /li liYou have never had a CERN fellow or graduate contract before. /li /ul pContract duration: 24 months, with a possible extension up to 36 months maximum. /p pWorking hours: 40 hours per week /p pJob flexibility: Fully Onsite /p pThis position involves: /p ul liWork during nights, Sundays and official holidays. /li liWork in Radiation Areas. /li /ul pJob reference: EP-ESE-BE- -GRAP /p pField of work: Electrical or Electronics Engineering /p pBenchmark job: - Electronics Engineer /p ul liA monthly stipend between Swiss Francs per month (tax free) depending on your degree. /li li30 days of paid leave per year plus 2 weeks annual closure. /li liCoverage by CERN’s comprehensive health insurance scheme (for yourself, your spouse and children), and membership of the CERN Pension Fund. /li liFamily, child and infant monthly allowances depending on your individual circumstances. /li liA relocation package (installation grant and travel expenses) depending on your individual circumstances. /li liPossibility to extend your contract up to 36 months. /li liOn-the-job and formal training including language classes. /li /ul /p #J-18808-Ljbffr