Aktuelle job hos CERN - The European Research Center of Particle Physics
Electronics Engineer Silicon Sensors R&D (EP-ATL-TRK-2026-117-GRAP)
Employment Type: Full-time 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
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Detector Scientist (EP-ATL-TRK-2026-116-GRAP)
Employment Type: Full-time During the ATLAS Phase-II upgrade in Long Shutdown 3, an all-silicon Inner Tracker (ITk) will be installed, consisting of four silicon strip layers and five hybrid pixel layers. The detector will provide exceptional radiation hardness and fast charged-particle reconstruction
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C++ Software Engineer (SY-EPC-CCS-2026-115-GRAP)
Employment Type: Full-time As a Software Engineer, you will engage in the development, evolution, and long-term maintenance of C++ software solutions running in Linux environments. Working within a collaborative team of software engineers and domain experts, you will contribute to the core control applications that govern more than 5,000 power converters across the accelerator complex.
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Process Controls Software Engineer (TE-CRG-IC-2026-96-GRAP)
Employment Type: Full-time As a member of our team, you will contribute to the development, maintenance, and operational support of CERN's cryogenics process control systems. You will play an active role in major consolidation projects carried out during Long Shutdown 3, supporting the cryogenic infrastructure of the LHC accelerator as well as the ATLAS and CMS detectors. This diverse role combines software development, hardware installation, and system integration activities
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Full-Stack Software Engineer (IT-CA-IR-2026-99-GRAE)
Employment Type: Full-time The CERN Document Server (CDS) is CERN's institutional repository, dedicated to archiving, preserving, and disseminating research outputs, multimedia content, and other key documents produced by the organisation. We are building the next-generation web platform based on the open-source technology InvenioRDM, and as a Graduate, you will play a crucial role in shaping its future.
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Mechanical Technician (SY-RF-AC-2026-172-GRAE)
Employment Type: Full-time You will contribute to the development, assembly, and installation of RF components for the High-Luminosity LHC (HL-LHC) galleries, working closely with a multidisciplinary mechanical team. You will be fully integrated into the R&D team, collaborating with engineers, technicians, and students on innovative projects aimed at improving the performance of existing accelerators and contributing to the development of future high-energy machines
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Assistant Departmental Safety Officer (EN-RMS-2026-147-GRAE)
Employment Type: Full-time The Assistant Departmental Safety Officer (ADSO) contributes to the implementation of the department's safety policy. You will support the Departmental Safety Officer in identifying, preventing, and monitoring risks related to activities, infrastructure, and equipment, while ensuring compliance with applicable regulations and procedures. The ADSO actively participates in promoting a strong safety culture and maintaining a safe and compliant working environment.
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Controls and Automation Engineer (EN-CV-CL-2026-171-GRAE)
Employment Type: Full-time Join the Cooling and Ventilation developers team within CERN's Engineering Department (EN), where you will contribute to the development, commissioning, and maintenance of Industrial Control Systems (ICS) and automation solutions essential to the operation of CERN's accelerators, detectors, and infrastructure.
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Mechanical Technician for Cooling System (EP-ATL-PO-2026-152-GRAE)
Employment Type: Full-time The EP-ATL-PO section is preparing for the technical challenges of Long Shutdown 3 (2026-2030). During this period, the ATLAS detector will be upgraded with new detector systems requiring active cold and warm cooling, with cooling capacities ranging from several to several hundred kilowatts.
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Applied Physicist in Gas Detectors and Systems (EP-DT-GD-2026-114-GRAP)
Employment Type: Full-time Particle detectors operating at CERN's Large Hadron Collider experiments require highly specific, precise, and stable gas mixtures, provided by dedicated and complex gas systems often operating in gas recirculation. Correct and stable mixture composition is a fundamental requirement for the long-term, continuous operation of all detectors.
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Applied Physicist on DAQ Software (EP-CMS-ID-2026-113-GRAP)
Employment Type: Full-time As a highly motivated applied physicist with experience in advanced particle detectors for high-energy physics experiments, you will join the CERN CMS Tracker team to develop software and diagnostic tools spanning the integration, checkout, commissioning, and calibration chain of the Tracker detector for the High-Luminosity LHC.
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Electrical Engineer for Safety Systems (EN-AA-CSE-2026-112-GRAP)
Employment Type: Full-time As an Electrical Engineer, you will join the Engineering Department (EN), specifically the EN-AA-CSE team, to work on the Future Circular Collider (FCC) study. The Future Circular Collider study is developing designs for the next generation of higher-performance particle colliders that could follow the Large Hadron Collider (LHC). The FCC Feasibility Study investigated the technical and financial viability of the FCC at CERN
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Non-Member State Postdoc Fellowship Programme (Theoretical Physics)
Employment Type: Full-time Company Description At CERN, the European Organization for Nuclear Research, physicists and engineers are probing the fundamental structure of the universe. Using the world's largest and most complex scientific instruments, they study the basic constituents of matter - fundamental particles that are made to collide together at close to the speed of light
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Early Career Professionals - Technical Field – Spontaneous Applications
Employment Type: Full-time Your responsibilities Join us in a place that can be hotter than the centre of the sun, and colder than the vacuum of space, at the very same time. This is the smartest way to learn more than you can imagine and see your work travel at the speed of light. Almost. This is the fastest way to give your career momentum. This is your Origin. Where your career begins. Take part! All our currently available projects are published individually on our career site here.
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Technical Studentship - Material & Surface Science 2026-3
Employment Type: Full-time What you'll do You’ll join an environment where learning and discovery go hand in hand. As a Technical Student, you’ll gain hands-on experience while supporting projects in material and surface science. You’ll be part of a community where your curiosity and willingness to learn matter most. Your responsibilities · Learn from and assist experienced engineers, technicians and scientists in your field of study.
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Technical Studentship - Mechanical Engineering 2026-3
Employment Type: Full-time What you'll do You’ll join an environment where learning and discovery go hand in hand. As a Technical Student, you’ll gain hands-on experience while supporting projects in mechanical engineering. You’ll be part of a community where your curiosity and willingness to learn matter most. Your responsibilities · Learn from and assist experienced engineers, technicians and scientists in your field of study.
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Technical Studentship - Electrical / Electronics Engineering 2026-3
Employment Type: Full-time What you'll do You’ll join an environment where learning and discovery go hand in hand. As a Technical Student, you’ll gain hands-on experience while supporting projects in electrical and electronics engineering. You’ll be part of a community where your curiosity and willingness to learn matter most. Your responsibilities · Learn from and assist experienced engineers, technicians and scientists in your field of study.
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Technical Studentship - Applied Physics 2026-3
Employment Type: Full-time What you'll do You’ll join an environment where learning and discovery go hand in hand. As a Technical Student, you’ll gain hands-on experience while supporting projects in applied physics. You’ll be part of a community where your curiosity and willingness to learn matter most. Your responsibilities · Learn from and assist experienced engineers, technicians and scientists in your field of study.
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Technical Studentship - IT, Mathematics & Robotics 2026-3
Employment Type: Full-time What you'll do You’ll join an environment where learning and discovery go hand in hand. As a Technical Student, you’ll gain hands-on experience while supporting projects in information technologies, mathematics or robotics. You’ll be part of a community where your curiosity and willingness to learn matter most. Your responsibilities · Learn from and assist experienced engineers, technicians and scientists in your field of study.
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Technical Studentship - General / Civil Engineering 2026-3
Employment Type: Full-time What you'll do You’ll join an environment where learning and discovery go hand in hand. As a Technical Student, you’ll gain hands-on experience while supporting projects in general and civil engineering. You’ll be part of a community where your curiosity and willingness to learn matter most. Your responsibilities · Learn from and assist experienced engineers, technicians and scientists in your field of study.
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Administrative Student Programme 2026-3
Employment Type: Full-time What you'll do You’ll gain practical experience in an international and multicultural environment while learning how administration supports world-leading scientific research. As an Administrative Student, you’ll develop your skills, contribute to real projects and discover how your studies translate into meaningful work. Your responsibilities• Learn from and assist experienced professionals in your field of study.
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Doctoral Student Programme 2026-3
Employment Type: Full-time What you'll do You will spend up to 36 months working on your doctoral thesis in a truly unique environment where science, technology and innovation meet. You’ll be part of an international community of experts, gaining experience at the forefront of research and engineering. Your responsibilities · Carry out your doctoral research in collaboration with CERN and your home university.
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Junior Marketing Communications Officer (IPT-KT-MC-2026-148-GRAE)
Employment Type: Full-time CERN's Knowledge Transfer Group (KT), part of the Industry, Procurement and Knowledge Transfer Department (IPT), is looking for a Junior Marketing Communications Officer to join its Marketing, Communications and Impact Section. Your responsibilities• Contribute to the development and maintenance of the CERN KT marketing and communications strategy, geared towards industry and external/internal stakeholders.
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Software Engineer - Software Reliability (TE-MPE-CB-2026-93-GRAP)
Employment Type: Full-time You will work at the interface between Software and Reliability Engineering, contributing to the technical design of the next generation of particle accelerators, by developing and maintaining Python-based software frameworks for availability modelling, fault data analysis, and reliability-driven design across multiple accelerator subsystems.
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Applied Physicist - Future Superconducting Detector Magnets (EP-CMS-IC-2026-99-GRAP)
Employment Type: Full-time This project focuses on the conceptual designs and conductor studies for large superconducting detector magnets planned for the Future Circular Collider (FCC-ee) at CERN, the proposed successor to the Large Hadron Collider. The work involves designing large superconducting solenoids that generate strong magnetic fields to help identify and measure particles produced in electron-positron collisions.
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HSE Communications Support Officer (HSE-TS-2026-153-GRAE)
Employment Type: Full-time Are you a recent communications graduate, curious, creative and skilled in absorbing complex information to produce effective and impactful communications? Do you enjoy gathering information, researching and writing articles, reports and newsletters? Are you at ease with video, social media and web tools? Contribute your skills to communicate on key matters in occupational Health & Safety and environmental protection in a unique place: CERN.
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Construction Project Engineer (SCE-PPM-CS-2026-92-GRAP)
Employment Type: Full-time As a Construction Project Engineer within the Site and Civil Engineering Department (Project Portfolio Management Group), you will contribute to the delivery of complex construction projects at CERN. Reporting to a CERN Project Manager, you will coordinate site activities, manage interfaces with internal and external stakeholders, and ensure smooth execution while meeting technical, scheduling, budgetary, and safety objectives
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Junior Officer for Host State Relations (SR-SE-HSR-2026-154-GRAE)
Employment Type: Full-time Are you a recent graduate looking for a professional experience within an international organisation? Are you passionate about international collaboration and diplomacy? Would you like to play a part in facilitating collaboration with Swiss and French partners in support of science? If so, you're in the right place! Join the Host State Relations (HSR) service in the Stakeholder Engagement (SE) group in the Stakeholder Relations (SR) sector!
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Detector Physicist (EP-DT-GD-2026-95-GRAP)
Employment Type: Full-time Gaseous particle detectors are essential in particle physics and radiation detection, encompassing technologies such as Micro-Pattern Gaseous Detectors (MPGDs), straw and drift tubes, Resistive Plate Chambers (RPCs), drift chambers, and Time Projection Chambers (TPCs)
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Full-Stack Web Developer (SY-EPC-CCS-2026-155-GRAE)
Employment Type: Full-time As full-stack developer in the Tools Team at SY-EPC-CCS, you'll become the main responsible for a set of crucial web applications used by converter experts to ensure smooth operation of the power converters at CERN. You'll be working closely with other team members, applying an agile work approach and work on different products in sprints (Scrum). Your responsibilities• Working on Full-stack Web applications and databases.
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Mechanical Engineer (ATLAS ITk Pixel) (EP-ATL-TRK-2026-157-GRAE)
Employment Type: Full-time The CERN ATLAS Team plays a major role in the construction of the future silicon ATLAS Inner Tracker (ITk). In particular, the CERN team focuses on the development of the Pixel Outer Barrel, including the design, prototyping and assembly of the support structures as well as the final detector integration and testing.
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Applied Physicist - n_TOF Facility (SY-STI-BMP-2026-103-GRAP)
Employment Type: Full-time The n_TOF facility at CERN provides high-intensity, wide-energy neutron beams for high-precision studies in nuclear astrophysics and medical applications. This position will focus on simulation studies with the aim of optimising the facilities performance. You will contribute to neutronics validation and benchmarking of the latest neutron data libraries
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Embedded Software Engineer (BE-CEM-EDL-2026-102-GRAP)
Employment Type: Full-time Are you passionate about cutting-edge technology and eager to work on innovative projects? We are looking for an Embedded Software Engineer to join the Electronics Design and Low-Level Software to join our team.
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Instrumentation Engineer (TE-CRG-IC-2026-108-GRAP)
Employment Type: Full-time You will contribute to the operation and evolution of the Large Hadron Collider's cryogenic infrastructure. You will lead the development, procurement, and commissioning of radiation-tolerant cryogenic instrumentation, including the replacement of industrial pressure sensors not suited for radiation environments
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Mixed-Signal IC Design Engineer (EP-ESE-ME-2026-107-GRAP)
Employment Type: Full-time Join the CERN Experimental Physics Department and help develop next-generation detector technologies for future High Energy Physics experiments. As part of the High Speed Links programme, you will contribute to radiation-tolerant optical communication systems that combine custom ASICs, silicon photonics, optical modules, and FPGA platforms to enable reliable high-speed data transmission in extreme environments
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GPU & ML Developer for Reconstruction and Simulation (EP-ALI-SC-2026-106-GRAP)
Employment Type: Full-time ALICE is pioneering the use of GPUs in Run 3 for the online processing and partly for offline reconstruction. To better leverage available GPU compute resources and improve reconstruction performance, we aim to investigate the use of machine learning.
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Software Developer for Control Systems (BE-ICS-STF-2026-105-GRAP)
Employment Type: Full-time You will join a team that is responsible for the development and evolution of CERN's industrial control frameworks, JCOP and UNICOS, as well as for evaluating and validating new technologies for future control systems. These frameworks build on the commercial SCADA platform SIMATIC WinCC Open Architecture (WinCC OA) from Siemens, which forms the backbone of more than 800 mission-critical control systems.
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Digital Editor (SR-ECO-PRD-2026-165-GRAE)
Employment Type: Full-time Are you keen to work in one of the world's largest scientific organisations? CERN has an opening for an Early Career Graduate as a digital editor within the Media and Digital Communications section (PRD) in the Education, Communication and Outreach (ECO) group of the Stakeholder Relations (SR) sector. In the SR-ECO-PRD, the digital editor works within the digital communications team with the social media team, alongside the web team and press office.
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FPGA Developer (SY-RF-LIS-2026-164-GRAE)
Employment Type: Full-time In this role, you will join the Accelerators Systems Department (SY) and work within the Radio Frequency (RF) Group, which is responsible for the operation, maintenance, and development of RF power amplifiers and accelerating cavities. As part of an ongoing consolidation of the RF systems of the CERN Proton Synchrotron (PS), the existing vacuum tube-based driver amplifiers are planned to be replaced by new solid-state RF amplifiers
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Mechanical Engineer - LHCb Calorimeter (EP-LCB-2026-163-GRAE)
Employment Type: Full-time As a mechanical engineer, you will participate in the enhancement of the LHCb electromagnetic calorimeter (ECAL) in the coming years. This includes participation in the produciton of new ECAL modules and the re-assembly of the ECAL structure. Your responsibilities• Prepare 3D models and drawings of mechanical parts and assemblies. • Participate in procurement and quality assurance tasks for new ECAL modules.
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Graphic Designer (SR-ECO-VIE-2026-168-GRAE)
Employment Type: Full-time Are you passionate about visuals, design and science? Would you like to take part in a dynamic team of experienced designers? Join the Visual and Design team in the Visual Impact and Exhibitions (VIE) section, the Education, Communications and Outreach (ECO) group in the Stakeholder Relations (SR) sector at CERN!
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Exhibition Developer (SR-ECO-VIE-2026-167-GRAE)
Employment Type: Full-time Are you enthusiastic about exhibition and excited to make science accessible and educational through our exhibitions and within our visits itineraries? Do you enjoy creating learning experiences and working in an international environment? Join the CERN Visual Impact and Exhibition team!
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Silicon Photonics Characterisation and Design Engineer (EP-ESE-BE-2026-109-GRAP)
Employment Type: Full-time Join CERN's detector R&D 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
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Software Engineer in Data Management (EP-ATL-CO-2026-111-GRAP)
Employment Type: Full-time We are offering a position within the ATLAS Experiment at CERN, contributing to the development and operation of Rucio, a widely used open-source scientific data management system supporting some of the largest scientific collaborations in the world. Experiments such as ATLAS, CMS, Belle II, SKA, DUNE, and others rely on Rucio to manage globally distributed data at the multi-exabyte scale.
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Project Engineer - Machine (SCE-PPM-PM-2026-110-GRAP)
Employment Type: Full-time As a Project Engineer within the SCE Department (Project Portfolio Management Group), you will contribute to the delivery of complex construction projects at CERN. Reporting to a CERN Project Manager, you will coordinate interfaces with internal and external stakeholders throughout the design and construction phases, ensuring smooth collaboration while meeting technical, scheduling, budgetary, and safety objectives.
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