Current jobs at CERN - The European Research Center of Particle Physics
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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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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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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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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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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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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Junior Survey Engineer (BE-GM-ASG-2026-119-GRAE)
Employment Type: Full-time As a Junior Survey Engineer you will join the Geodetic Metrology group at CERN, where you will take part in the metrology and alignment of a wide variety of components used in the particle accelerators. You will be using state-of-the-art surveying tools and software to achieve the sub-millimetre accuracy necessary to achieve our goals
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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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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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Short Term Internship 2026
Employment Type: Intern 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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