As an applied physicist, you will support the design, integration, and commissioning of front‑end electronics systems across LHCb subdetectors (VELO, RICH, CALO) for the LHCb Upgrade II project, targeting demanding timing requirements. Your work will combine hands‑on technical development – system integration, calibration, and module R&D – with harmonising timing approaches across subdetectors, working closely with CERN Electronics and Detectors Technology support groups, and the LHCb Online team.
Functions
* Support system‑level integration and commissioning of the electronics chain, working with subdetector experts and the LHCb Online team.
* Develop control software and calibration procedures for detectors in the LHCb electronic control system.
* Provide project‑based support for PCB development, mechanical/cooling integration, and electronics infrastructure (LV, HV).
* Coordinate across LHCb subdetectors (VELO, RICH, CALO) to harmonise fast timing implementation at the front‑end level, liaising with CERN Electronics support experts and the LHCb electronics coordinator.
* Contribute to R&D on module integration and cooling.
Qualifications
PhD or equivalent relevant experience in the field of Physics or Electronics or a related field.
Experience
* Experience of commissioning and operation of detectors of large particle physics experiments.
* Experience in the whole signal treatment chain from front‑end electronics to readout and control electronics, including high‑speed signal processing and transmission. Experience of the HL‑LHC experiments common electronic components (lpGBT, VTRx+, bPOLs, etc.) is a plus.
* Experience with fast timing detectors and precision timing systems.
* Experience in PCB design and module prototyping.
* Experience in developing and testing detector modules, including mechanical integration of the electronics and cooling.
* Good knowledge of low voltage and high voltage distribution systems for large particle detectors.
Technical competencies
* Simulation, design and development of (parts of) detectors.
* Testing and validation of detectors.
* Assembly and integration of detectors.
* Layout of electronic circuit boards.
* Organisation, planning and control.
Behavioural competencies
* Achieving Results: having a structured and organised approach towards work; being able to set priorities and plan tasks with results in mind.
* Working in Teams: building and maintaining constructive and effective work relationships.
* Managing Self: taking initiative beyond regular tasks and making things happen.
* Demonstrating Flexibility: readily absorbing new techniques and working practices; proposing new or improved ways of working.
* Demonstrating Accountability: presenting information accurately and objectively.
Language skills
Spoken and written English, with a commitment to learn French.
Additional Information
Eligibility and closing date
Diversity has been an integral part of CERN's mission since its foundation and is an established value of the Organisation. Employing a diverse workforce is central to our success. We welcome applications from all Member States and Associate Member States.
This vacancy will be filled as soon as possible, and applications should normally reach us no later than 15.03.2026 at 23:59 CET.
Employment Conditions
Contract type: Limited duration contract (5 years). Subject to certain conditions, holders of limited‑duration contracts may apply for an indefinite position.
Working Hours: 40 hours per week
Job Flexibility: Hybrid
This position involves:
* Work in Radiation Areas.
* Interventions in underground installations.
* Shift work, and work during nights, Sundays and official holidays, when required by the needs of the Organisation.
Job grade: 6-7
Job reference: EP‑LBD‑2026‑49‑LD
Field of work: Applied Physics
Benchmark Job Title: Applied Physicist
Global Benefits
* A competitive salary (tax free), increasing in line with your years of relevant experience.
* 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, removal, travel expenses) depending on your individual circumstances.
* Possibility to extend your contract up to 8 years + eligibility for indefinite contract tenure.
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