Current jobs at CERN - The European Research Center of Particle Physics
Software Engineer at CMS Experiment (EP-CMO-2026-11-GRAE)
Employment Type: Full-time In this role, you will take part of the CMS Experiment Physics Performance and Datasets (PPD) project Technical Support Team. You will have exposure to advanced data operations, large-scale service availability, and complex workflows providing strong experience in DevOps practices at the frontier of science and technology.
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Full-Stack Software Engineer (EN-IM-PLM-2026-10-GRAE)
Employment Type: Full-time The Engineering Department's Information Management (IM) group is seeking a highly motivated full stack software engineer with strong technical skills and a passion for learning. You will join an international team within the PLM (Product Lifecycle Management) section, delivering engineering information management solutions for the entire accelerator complex and its detectors
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Electrical Technician (SY-EPC-HPC-2026-9-GRAE)
Employment Type: Full-time You will join the team working with electrical substations and outdoor high-voltage installations at the 18 kV level. The purpose of these installations is the compensation of reactive power that is consumed by CERN's particle accelerators. In close cooperation with our experienced lead technical engineer, you will work on the two worksites for new projects, in HL-LHC P1 and P5.
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Research Fellowship (Applied Physics & Engineering)
Employment Type: Full-time What you'll do You will carry out post-doctoral research activities in the field of applied physics and engineering within CERN’s Experimental Physics (EP) Department. You will contribute to the design, development, deployment and operation of physics experiments or experimental setups, with activities spanning detector technologies, material science, mechanical engineering, electronics and computing.
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Mechanical Technician (TE-VSC-IVO-2025-192-GRAE)
Employment Type: Full-time Your responsibilities: As a Mechanical Technician in the Super Proton Synchrotron (SPS) Vacuum Team, you will play an important role in ensuring the quality, installation, and operation of vacuum components in CERN's accelerator complex. Your main responsibilities will include:• Carrying out the mechanical assembly of vacuum components and sub-assemblies, including leak detection and quality control prior to installation.
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Junior Automation Software Engineer (BE-ICS-ACS-2026-1-GRAE)
Employment Type: Full-time Join our team of control and automation experts and contribute to the development of the UNICOS-CPC framework, used CERN-wide for the development of PLC-based control systems. Your work will focus on PLC code generation tools, supported by a modern software engineering workflow including automated build, test and deployment.
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Junior Linux System Engineer (BE-CEM-IN-2026-5-GRAE)
Employment Type: Full-time The accelerator complex is managed by computers running Linux, currently CentOS7. However, it will soon transition to a custom Linux distribution developed at CERN, based on a vanilla Linux kernel and Debian. This shift focuses on enhancing user experience and leveraging DevOps techniques to improve productivity, particularly in the way software is built, released, and deployed.
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Electronics Technician (TE-VSC-ICM-2025-294-GRAE)
Employment Type: Full-time As an Electronics Control Technician, you will support the installation, upgrade, and maintenance of the vacuum control systems that protect and monitor CERN’s accelerators. You will work both autonomously and within a multidisciplinary team of technicians and engineers, following established procedures and quality assurance standards
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Mechanical Design Engineer (TE-MSC-NCM-2026-4-GRAE)
Employment Type: Full-time Are you interested in shaping the next generation of particle accelerators? As a Mechanical Design Engineer at CERN, you will contribute to the design and development of normal-conducting magnets for the Future Circular Collider (FCC-ee). You will be involved in mechanical design, prototyping, and documentation of magnet components, while also supporting improvements to existing CERN accelerator magnets
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Junior Local Communications Officer (SR-ECO-LC-2026-3-GRAE)
Employment Type: Full-time
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Superconducting Systems Designer (TE-MSC-HSD-2026-2-GRAE)
Employment Type: Full-time Are you interested in contributing to the next generation of superconducting technologies? As a Designer of High-Temperature Superconducting (HTS) systems, you will contribute to the development of REBCO superconducting cables and magnets for advanced accelerator and energy applications. You will work on the design and realisation of HTS components and prototypes, following them from concept through manufacturing and assembly within CERN's HTS R&D programmes.
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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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Research Fellowship (Experimental Physics)
Employment Type: Contract What you'll do You will join one of CERN’s experimental physics groups, if selected for this Research Fellowship, to develop and lead your own research programme at the frontier of particle physics. You will work in a highly collaborative and international environment, analysing data, contributing to detector operations or upgrades, and engaging in the design, execution and interpretation of physics analyses
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Monitoring Service Operations Engineer (IT-DA-ASM-2025-285-GRAE)
Employment Type: Full-time The CERN IT Monitoring infrastructure provides monitoring services for the CERN Datacenter and the WLCG and CERN experimental communities. Our infrastructure and services process over 100 thousand log messages per second and expose over 160 million active time series and over 200 billion stored documents exposed to a community of more than 6000 active users
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Mechanical Safety Engineer (HSE-OHS-PE-2025-270-GRAE)
Employment Type: Full-time Are you knowledgeable in mechanical design and construction? 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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Technical Students for Next Generation Trigger Project 2026
Employment Type: Full-time What you'll do In the coming upgrade to the Trigger system of the CMS Experiment many machine learning algorithms are being developed which will use low-level detector information to make decisions on whether to keep data or not. These algorithms will be exposed to a dynamic inference environment that will not only differ from their training environments but evolve over time as the detector conditions change
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Full-Stack Software Engineer (EP-CMO-2025-288-GRAE)
Employment Type: Full-time CMS is one of the largest physics experiments of the Large Hadron Collider (LHC), located at CERN's Point 5 site in Cessy, France. The position involves contributing to the design, development, and maintenance of software and computing systems supporting the operation of the CMS experiment and communication within its user community
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Junior Mechanical Engineer for CMS Experiment (EP-CMX-SCI-2025-277-GRAE)
Employment Type: Full-time We are seeking a motivated Mechanical Engineer to lead the design, procurement and on-site implementation of a reinforced passage bridge in UXC55, and to support associated heavy lifting operations for the HL (High Luminosity) upgrades. In this role you will act as the technical coordinator for the reinforced bridge that will allow passage of the Endcap Calorimeters structures
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Doctoral Student Programme 2026-2
Employment Type: Full-time What you'll do You’ll spend up 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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CMS DSS Electronics Technician (EP-CMX-2025-276-GRAE)
Employment Type: Full-time You will join a small technical team of engineers and technicians responsible for the design, prototyping, assembly, testing and installation of the Detector Safety System (DSS) and the subdetector safety systems. The team is also responsible for the operation of the existing central DSS system before its replacement by the new DSS system.
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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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