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$6k–$7k/mo
Full-time
postgraduate degree
Tax free stipend, 30 days of paid leave, Annual closure of 2 weeks, Comprehensive health insurance, CERN Pension Fund membership, Family, child and infant monthly allowances
Posted 50d ago
~40 hrs/week
Responsibilities
The role involves assembling, testing, and characterizing CASSIA sensor prototypes and optimizing pixel designs for time resolution and signal collection. Responsibilities include circuit design, pre- and post-layout simulations, and collaborating with a multidisciplinary team for integration into readout circuits.
Requirements
Candidates must have a professional background in Electronics or Physics with either a Master's degree (2-6 years experience) or a PhD (up to 3 years experience). Proficiency in CMOS sensor design, circuit simulation, and laboratory instrumentation is required, along with eligibility as a national of a CERN Member or Associate Member State.
Full job description
Job Description
Dense tracking environments in experiments at CERN's High-Luminosity LHC and future FCC experiments require increased use of timing information in addition to the position measurements provided by pixel detectors. This adds an extra dimension to the available information and is essential for mitigating pile-up effects at high luminosities. The CASSIA Project (CMOS Active SenSor with Internal Amplification) aims to develop monolithic active pixel sensors (MAPS) with internal signal gain and low noise in a widely used CMOS imaging process, targeting a broad range of applications.
Your responsibilities
Assemble and test CASSIA sensor prototypes on PCBs.
Support and improve signal measurements in laboratory measurements, irradiations and test beams.
Analyse CASSIA2 for optimal signal collection and time resolution.
Investigate radiation hardness and the change of gain as a function of irradiation.
Test CASSIA2 on chip amplifier circuits against circuit simulation, characterise the front-end (FE) circuit performance for time resolution and signal-to-noise ratio (SNR).
Improve the design of CASSIA2 circuits for optimal time resolution in LGAD and SPAD mode.
Develop concepts for integration of CASSIA pixel designs into asynchronous readout pixel circuits in matrices (CASSIA3 studies).
Circuit design and implementation, design verification, pre-/post-layout simulations for optimised pixel designs and FE-circuits for large matrices.
Collaborate closely with engineers, physicists, and technicians in a multidisciplinary team.
Your profile
Experience with the assembly, testing, and characterisation of silicon detector modules or similar systems.
Practical experience with laboratory instrumentation such as probe stations, laser test setups, beam test setups.
Ability to design PCBs for ASICs/sensors as part of the test system.
Ability to perform electronic measurements to characterise analogue and digital on-chip circuits.
Experience in automating laboratory procedures and data acquisition.
Experience with tools used for the design, integration and verification of ASICs/CMOS sensors.
Familiarity with data analysis, circuit simulation and electronics debugging.
Experience working in large, international research collaborations and contributing to common infrastructure or shared facilities.
Demonstrated ability to plan, prioritise and deliver results under tight schedules.
Skills
Knowledge of monolithic CMOS sensors, MAPS, silicon pixel detectors for high energy physics experiments.
Experience in testing silicon sensors and required laboratory equipment.
Experience in circuit simulation and characterisation.
Working experience in ASIC and/or CMOS sensor design and using industry tools for design, implementation, and verification.
Organised, accurate and independent approach to work.
Ability to work effectively in multidisciplinary teams and international collaborations.
Spoken and written English, with a commitment to learn French.
You have a professional background in Electronics or Physics (or a related field) and have either:
a Master's degree with 2 to 6 years of post-graduation professional experience;
or a PhD with no more than 3 years of post-graduation professional experience.
You have never had a CERN fellow or graduate contract before.
Additional Information
Job closing date: 15.07.2026 at 23:59 CEST.
Contract duration: 24 months, with a possible extension up to 36 months maximum.
Working hours: 40 hours per week
Job flexibility: Fully Onsite
Target start date: 01-September-2026
This position involves:
Work in Radiation Areas.
Work during nights, Sundays and official holidays, when required by the needs of the Organization.
Job reference: EP-ATL-TRK-2026-117-GRAP
Field of work: Experimental Physics
Benchmark job: 200050 - Electronics Engineer
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.
Overview of CERN - Discover a world where the impossible is made possible!
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. Together, we foster an environment where innovation and collaboration thrive.
Every 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.
If 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! TAKE PART!
Imagine working in a place like nowhere else on Earth. CERN. Take part!
Industry
Research Services
Company size
1,001-5,000 employees
Founded
1954
Headquarters
Meyrin, Genève
LinkedIn followers
593,358
Total funding
$165K
CERN is a truly unique organisation. A genuine collaboration between countries, universities, and scientists, driven not by profit margins, but by a commitment to create and share knowledge.
People here are part of immense scientific discoveries, answering some of life’s most complex questions and pushing the boundaries of understanding. Experts from every field come here to share in this ambition and the nature of this collaborative, international community creates a genuine atmosphere of trust. People are free to work creatively and to trust in, and rely on, their colleagues across the organisation.
History’s being made here – and the excitement is tangible, inspiring, and overwhelming at times. It is the only place in the world where you can do this work in this way.
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If you’ve worked at CERN in the past, why not join the official CERN LinkedIn Alumni group, linked from this page.
Offices: 1 Esplanade des Particules, Meyrin, Genève 1217, CH
Fundamental researchParticle PhysicsEngineeringInternational collaborationEducationTechnologyLarge scale data processingTrainingAlumniKnowledge Transfer
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