Current jobs at CERN - The European Research Center of Particle Physics
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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Industrial Control System Engineer (SY-EPC-CCS-2026-158-GRAE)
Employment Type: Full-time Join us and contribute to the development and commissioning of industrial control systems for CERN's largest power installations. You will have the opportunity to work with cutting-edge automation technologies and modern software engineering tools. Your responsibilities:• Design, develop and commission large, distributed control systems based on Siemens S7-1500 PLCs and the CERN's UNICOS framework.
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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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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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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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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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Fabrication Engineer for RF Components (EN-MME-FW-2026-79-GRAP)
Employment Type: Full-time Are you passionate about cutting-edge fabrication? Do you thrive at the intersection of high-precision machining and advanced joining applied to Radio Frequency components? This is your opportunity to join a multidisciplinary team developing the Tristron - a high-efficiency RF power source critical for the Future Circular Collider (FCC).
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Instrumentation Engineer (TE-CRG-IC-2026-94-GRAP)
Employment Type: Full-time Within the framework of the High-Luminosity Large Hadron Collider project, and long shutdown activities, you will join the Cryogenic Group as a full member of the team, working in a multidisciplinary environment focused on cryogenic instrumentation, control systems, and electrical engineering. You will contribute to R&D activities, as well as to the design, reception, and maintenance of tooling and test benches used for validation and commissioning operations.
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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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Backend Software Developer (Java/Python) (BE-CSS-DSP-2026-151-GRAE)
Employment Type: Full-time You will contribute to the design, development, testing and maintenance of the Data Processing Platform (DPP), used for both offline and online analysis of accelerator and beam data. Working within the Data Processing team of the CERN Controls Software & Services group and following the Scrum methodology, you will help build reliable and scalable backend services supporting the control, monitoring and analysis of particle accelerators and equipment.
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Junior Full-Stack Software Engineer (FAP-BC-DL-2026-143-GRAE)
Employment Type: Full-time Are you a motivated Software Engineer with a passion for delivering complex and compelling information systems end-to-end? Are you at ease with server-side technologies, and also with writing frontends in JavaScript and not afraid to optimise database queries, to dive into data integration processes or configure and debug messaging/eventing systems? Do you enjoy working in an agile environment and a self-organised team?
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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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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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Full-Stack Software Engineer (IT-CE-LCG-2026-54-GRAP)
Employment Type: Full-time Are you a motivated computing graduate interested in global scientific infrastructure? Join CERN and contribute to the Computing Resource Information Catalogue (CRIC), a topology service describing computing and storage resources across the Worldwide LHC Computing Grid (WLCG), which connects over 150 computing centres in 40+ countries supporting particle physics research. CRIC is a key component of the WLCG ecosystem
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Talent Acquisition Officer (HR-TA-2026-57-GRAE)
Employment Type: Full-time As a Talent Acquisition Officer, you will participate within the Talent Acquisition team to attracting and recruiting talent for our Organisation. You will gain hands-on experience and develop valuable skills in sourcing, recruitment, and employer branding. Your responsibilities:• Participate in the full recruitment and sourcing lifecycle, including CV screening, candidate communication, interview coordination, and contract administration.
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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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Knowledge Transfer Officer (IPT-KT-BD-2026-91-GRAP)
Employment Type: Full-time The Knowledge Transfer (KT) group (kt.cern) is in charge of seeking and realising opportunities for the application of CERN technologies in domains such as healthcare, environmental applications, quantum technologies, and aerospace. You will be part of KT's Business Development section, working with CERN's Medical Applications Adviser and colleagues in KT and across CERN.
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Library Cataloguer (OSI-SIS-AL-2026-146-GRAE)
Employment Type: Full-time Are you interested in becoming a library cataloguer and contributing to the dissemination of cutting-edge scientific research? The Scientific Information Service plays a central role in ensuring that CERN's scientific publications are accurately described, indexed, and made discoverable through major digital repositories
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Electronics Technician (TE-MPE-IQ-2026-142-GRAE)
Employment Type: Full-time Join as an Electronics Technician and contribute to the upgrade of a cutting-edge quench detection system used in the operation of the superconducting magnets in the Large Hadron Collider (LHC). During the upcoming major shutdown period, you will work side by side with engineers, taking part in the full lifecycle from removing outdated equipment to building, testing, and deploying next-generation electronics.
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Junior Electrical Safety Engineer (HSE-OHS-GI-2026-144-GRAE)
Employment Type: Full-time Are you knowledgeable in Electrical Engineering? Do you want to contribute to a unique and challenging research infrastructure? Then your Origin starts here. Deepen your knowledge and expertise faster than anywhere else on Earth. Take part!
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Embedded Electronics Engineer (TE-MPE-IQ-2026-89-GRAP)
Employment Type: Full-time You will drive the evolution of high-precision, Ethernet-enabled data acquisition (EDAQ) systems using modern Cortex-M microcontrollers, ensuring sub-microsecond synchronisation accuracy across distributed infrastructures. Your role will span from maintaining and advancing our firmware codebase to deploying operational solutions for HL-LHC and testbenches, while pioneering R&D in Gbit Ethernet, wireless technologies, and ultra-precise timing protocols.
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Electro-Mechanical Technician (TE-MPE-MP-2026-141-GRAE)
Employment Type: Full-time You will participate in the inspection and maintenance of electro-mechanical DC switching systems as well as in the installation and performance validation test of a new equipment. This includes execution of tests, production of specific test equipment, component ordering, mounting, unmounting and service of the electro-mechanical parts. Your responsibilities:• Contribute to the assembly of interface cables and mechanical structures.
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DevOps Engineer - GitLab Service (IT-PW-WDA-2026-109-GRAE)
Employment Type: Full-time In this role, you will be a member of the Web, DevOps and Authoring section in the IT-PW group. We provide, among others, services for software engineers such as the GitLab service and AI coding tools. By joining us, you will manage and contribute to the continuous improvement of these services, and support their users. Your responsibilities:• Contribute to the smooth operation, maintenance, and continuous evolution of the GitLab service.
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SWAN Core Developer (Full-Stack, DevOps) (IT-DA-ASM-2026-140-GRAE)
Employment Type: Full-time As a core member of the SWAN team, you will work across the whole stack from designing new full-stack features, integrating SWAN with other services, and taking part in DevOps tasks, deployments and maintenance. SWAN (Service for Web-based Analysis) is a platform for interactive analysis based on Jupyter and JupyterHub
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Computational Physicist (BE-OP-PS-2026-139-GRAE)
Employment Type: Full-time In this role, you will join a multidisciplinary team of laser physicists, control engineers, and machine learning specialists to develop the automation layer of TALISMAN, a project aimed at automating laser ionization for the production of medically relevant radionuclides. The work combines hands-on laboratory activities with the design, prototyping, and implementation of control algorithms and software.
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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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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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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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