Current jobs at CERN - The European Research Center of Particle Physics
Mechanical Technician for AD e-Cooler (SY-BI-ML-2025-140-GRAE)
Employment Type: Full-time Your responsibilities Are you a Mechanical Technician at the beginning of your career? Join the Mechanics and Logistics (ML) Section within the Beam Instrumentation (BI) Group at CERN!
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Senior Mechanical Drafter (SCE-SAM-IN-2025-153-LD)
Employment Type: Contract Company Description At CERN, the European Organisation 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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Post Career Break Fellowship
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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Computing Engineer: Data Storage Systems (IT-SD-TAB-2025-155-GRAE)
Employment Type: Full-time Your responsibilities Join CERN's Storage and Data Management group, to evolve the data storage systems used at the Large Hadron Collider (LHC) and across CERN's experimental programme. The Storage and Data Management Group is responsible for enabling data access for the laboratory, in particular the long-term archival, preservation and distribution of LHC data to a worldwide scientific community
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Individual & Digital Fundraising Officer (IR-DS-PFU-2025-133-GRAE)
Employment Type: Full-time Your responsibilities Are you passionate about fundraising and partnerships? Would you like to work at the world's leading particle-physics laboratory and thrive? Come and join the Partnerships and Fundraising section in the International Relations (IR) sector!
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Computing Engineer (EN-ACE-2025-130-GRAP)
Employment Type: Full-time Your responsibilities Our Engineering Department (EN) is looking for a Computing Engineer to join our Accelerators, Coordination, and Engineering Group (ACE). The ACE Group is in charge of the coordination of the activities for the interventions and changes to the LHC and its injectors. As part of the EN-ACE group, you will:• Maintain and develop EN-ACE applications (database, back-end, front-end) to add new features for users. Example: https://panoramas-outreach
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Technical Project Manager (BE-EA-PR-2025-177-LD)
Employment Type: Contract Company Description At CERN, the European Organisation 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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Cooling Engineer for the ATLAS Detector (EP-ADO-PO-2025-175-LD)
Employment Type: Contract 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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Environmental Project Assistant (HSE-ENV-SP-2025-153-GRAE)
Employment Type: Full-time Your responsibilities Are you passionate about soil, sustainability, and innovative environmental solutions? Join us at OpenSkyLab, a cutting-edge project exploring the reuse of excavation materials for the Future Circular Collider feasibility study. This is an opportunity to gain practical experience in interdisciplinary research, environmental monitoring and sustainable land management - all in a dynamic, international setting
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CAD - PLM Application Engineer (EN-IM-PLM-2025-143-GRAE)
Employment Type: Full-time Your responsibilities The Engineering (EN) Department's Information Management (IM) group is looking for an early-career Engineer who is skilled is the domains of CAD and PLM, enjoys helping others, and is eager to learn new things. You will join a young and international team of application engineers and business analysts inside the group's PLM Service team, with the mission to support, improve and digitalise the organisation's engineering processes.
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Business Analyst (FAP-BC-DZN-2025-174-LD)
Employment Type: Contract Company Description At CERN, the European Organisation 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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IT Network Technician (IT-CS-DO-2025-152-GRAE)
Employment Type: Full-time Your responsibilities We are looking for an IT Network Technician to join the Deployment and Operations section of the Communication Systems group in the IT Department, providing hands-on support for infrastructure rollout and upgrade projects during the exciting long shutdown period of the CERN accelerator complex.
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Mechanical Engineer (BE-GM-FP-2025-151-GRAE)
Employment Type: Full-time Your responsibilities Join the Geodetic Metrology group at CERN, where you will push the limits of accelerator alignment to shape the future of CERN accelerators! Participate in the development, qualification and installation of new high precision alignment methods with sensors based on advanced technologies and novel adjustment solutions!
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Mechanical Technical Engineer (SY-STI-TCD-2025-173-LD)
Employment Type: Contract 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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Ion Beam Systems Technical Engineer (SY-STI-LP-2025-172-LD)
Employment Type: Contract Company Description At CERN, the European Organisation 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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Mechanical Technician (SY-STI-TCD-2025-131-GRAE)
Employment Type: Full-time Your responsibilities The SY-STI-TCD Section oversees the conceptual design, construction, operation, and maintenance of beam-intercepting devices across the CERN's accelerator complex. The beam intercepting devices are precision mechanical equipment working in harsh environments that must be very reliable to guarantee the operation of CERN accelerators. Are you passionate about mechanical engineering and skilled at multitasking? Join us!
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Applied Physicist - Non-linear Beam Dynamics (BE-ABP-NDC-2025-129-GRAP)
Employment Type: Full-time Your responsibilities As an Applied Physicist, you will join the Non-Linear Dynamics and Collimation Section within the Accelerator and Beam Physics Group (ABP) under the Beams Department (BE), where you will work on advanced nonlinear beam manipulations aimed at boosting the performance of existing and future circular particle accelerators with emphasis on beam-halo manipulations.
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Early Career Professionals - University Graduates – Spontaneous Applications
Employment Type: Full-time Your responsibilities We offer an opportunity to take part in the largest scientific experiment in the world. Unique early careers programme in a multicultural, multidisciplinary environment. It is an effort to uncover what the universe is made of and understand how it works. A path to develop the next generation of scientific, technical and administrative experts. Origin. Where your career begins. Take part!
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Early Career Professionals - Support Services (Finance, HR, International Relations, Legal, etc.) – 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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Mechanical Technician - Ultra-High Vacuum Technology (TE-VSC-BVO-2025-171-LD)
Employment Type: Contract Company Description At CERN, the European Organisation 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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Mechatronics Engineer for Robotics (BE-CEM-MRO-2025-150-GRAE)
Employment Type: Full-time Your responsibilities As a Mechatronics Engineer, you will join the Mechatronics, Robotics & Operations (MRO) section within the Controls Electronics and Mechatronics (CEM) group under the Beams Department (BE). The section oversees the design, installation, control, operation, and maintenance of the mechatronics control systems for Beam Intercepting Devices (BIDs) in all of the CERN accelerator complex and experimental facilities.
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Applied Physicist / Material Engineer for Thin Film Coatings (TE-VSC-SCC-2025-162-LD)
Employment Type: Contract 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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DevOps Engineer for OAuth Token Issuer (IT-PW-IAM-2025-127-GRAE)
Employment Type: Full-time Your responsibilities Are you passionate about secure, scalable infrastructure? CERN's Identity and Account Management (IAM) team is looking for a DevOps Engineer to help scale up our grid token issuers to meet the future needs of physics experiments, and support cutting-edge research across the globe.
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CERN Non-Member State Doctoral Student Programme
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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CERN-STFC Non-Member State Doctoral Student Programme
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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Electronics Engineer (SY-BI-BL-2025-142-GRAE)
Employment Type: Full-time Your responsibilities The SY-BI-BL section oversees the R&D on the development of longitudinal beam loss monitors (BLMs) designed to cover larger areas than conventional detectors. These optical BLMs are based on the detection of Cherenkov light in optical multi-mode pure silica fibres. Its first application will be to extend the beam loss monitoring capabilities in the CERN North Area secondary beam lines
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Embedded Control Software Engineer (BE-CEM-MRO-2025-150-LD)
Employment Type: Contract 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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Quality Control Scientist (EP-ADE-TK-2025-98-GRAP)
Employment Type: Full-time Your responsibilities The ATLAS Experiment at CERN's Large Hadron Collider (LHC) is advancing its inner tracking system (ITk) in preparation for the High-Luminosity LHC era. At the core of this upgrade lies a sophisticated hybrid pixel detector composed of over 8,000 silicon pixel modules. Approximately half of these modules form the Outer Barrel (OB) subsystem, with the CERN ATLAS group actively participating in its development and assembly.
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Software Engineer for Distributed Storage Systems (IT-SD-PDS-2025-161-LD)
Employment Type: Contract 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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Experienced Electrical Technician (EN-EL-CS-2025-121-LD)
Employment Type: Contract Company Description At CERN, the European Organisation 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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Legal Assistant (DG-LS-2025-158-LD)
Employment Type: Contract Company Description At CERN, the European Organisation 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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Open Science Manager (RCS-SIS-OS-2025-154-LD)
Employment Type: Contract 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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Network Engineer (IT-CS-DO-2025-159-LD)
Employment Type: Contract Company Description At CERN, the European Organisation 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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Scientific Associateship in 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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Open Science & EU Project Support Officer (IT-CA-OSI-2025-157-LD)
Employment Type: Contract 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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Civil Engineering Technical Engineer (SCE-SAM-CE-2025-155-LD)
Employment Type: Contract Company Description At CERN, the European Organisation 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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Electronics Technician (BE-CEM-IN-2025-141-GRAE)
Employment Type: Full-time Your responsibilities Are you passionate about cutting-edge control systems and embedded technologies? Our Infrastructure section within the Controls Electronics and Mechatronics group of the Beams Department is looking for a new colleague to join them. The team is responsible for the deployment, monitoring and maintenance of accelerator controls, embedded frontend systems, and fieldbuses.
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Junior Mechanical Engineer (BE-EA-EC-2025-139-GRAE)
Employment Type: Full-time Your responsibilities As a Junior Mechanical Engineer, you will be joining:• The Beams department, responsible for the beam generation, acceleration, diagnostics, controls and performance optimization for the LHC and its injector accelerators.
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Engineer for Superconducting High Field Magnets (TE-MSC-SMT-2025-152-LD)
Employment Type: Contract 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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Java Software Engineer (BE-CSS-CSA-2025-151-LD)
Employment Type: Contract Company Description At CERN, the European Organisation 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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Mechanical Engineer (TE-CRG-ME-2025-148-LD)
Employment Type: Contract 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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Mechanical Engineer for Beam Instrumentation (SY-BI-ML-2025-138-GRAE)
Employment Type: Full-time Your responsibilities Are you a Mechanical Engineer with a passion for challenging and exciting projects in the field of beam instrumentation for particle accelerators? Then seize the opportunity! Join the CERN Beam Instrumentation (BI) Group and be part of the team working on the study and development on the next generation of beam instrumentation across the whole accelerator chain.
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Junior Full-Stack Software Engineer (FAP-BC-ENG-2025-132-GRAE)
Employment Type: Full-time Your responsibilities
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Cryogenic Engineer (EN-MME-EDM-2025-135-GRAE)
Employment Type: Full-time Your responsibilities Are you passionate about measuring thermal properties in extreme environments? Do you have hands-on experience with cryogenic technologies and advanced measurement techniques? This could be your next opportunity. Join CERN and become part of a multidisciplinary team dedicated to testing and qualifying a wide range of materials and components used in cutting-edge scientific research.
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Research Fellowship : Experimental 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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Theoretical Physicist (TH-SP-2025-60-LD)
Employment Type: Contract 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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Experimental Physicist (EP-DI-2025-9-LD)
Employment Type: Contract 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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Electronics Engineer (TE-CRG-IC-2025-61-GRAP)
Employment Type: Full-time Your responsibilities As an Electronics Engineer, you'll join the Instrumentation Controls (IC) Section of the Cryogenics (CRG) Group within the Technology (TE) Department. The TE-CRG-IC section is responsible for providing the required instrumentation and readout electronics for the cryogenics equipment of the HL-LHC upgrade of the LHC.
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Electrical Engineer - FCC project (EN-EL-EPM-2025-134-LD)
Employment Type: Contract 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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EP Research Fellowship: Applied Physics and Engineering
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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Corresponding Associateship
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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Scientific Associateship
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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Corresponding Associateship in 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 2025
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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Radio Frequency Engineer (SY-RF-SRF-2025-144-GRAE)
Employment Type: Full-time Your responsibilities Join the Superconducting RF Cavity Technology (SRF) Section within the Radio Frequency (RF) Group as an RF Engineer! As an RF Engineer, you will receive training to perform measurements on superconducting radiofrequency cavities and cryomodules at both ambient and cryogenic temperatures
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Junior Science Educator (IR-ECO-TSP-2025-145-GRAE)
Employment Type: Full-time Your responsibilities Are you passionate about engaging students in science and inspiring the next generation of scientists and engineers? Are you an enthusiastic science educator who feels comfortable interacting with diverse audiences? Join the CERN Science Gateway education team as a science educator to facilitate science shows and hands-on workshops!
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Kubernetes Service Engineer (IT-CD-PI-2025-18-LD)
Employment Type: Contract Company Description At CERN, the European Organisation 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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Design Engineer - Monolithic Pixel Sensors (EP-ESE-2025-111-GRAP)
Employment Type: Full-time Your responsibilities CERN is developing next-generation detectors for high-energy physics experiments, such as the new ALICE 3 detector. These detectors rely on highly advanced Monolithic Active Pixel Sensors (MAPS), which must deliver extremely precise measurements of particle positions and timing, withstand high radiation levels, and minimise inactive areas on the sensor.
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IT Technician (BE-CEM-EPR-2025-147-GRAE)
Employment Type: Full-time Your responsibilities Are you a Technician qualified in the field of Software Engineering or IT and eager to apply your skills to real-world challenges? Are you passionate about science and technology? We’re looking for early career professionals to join the Electronics Production & Radiation Tolerant Section (EPR) within the Controls Electronics and Mechatronics (CEM) under the Beams Department (BE), and contribute to the world’s greatest scientific institution.
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Applied Physicist - FCC-ee Collimation Studies (BE-ABP-NDC-2025-126-GRAP)
Employment Type: Full-time Your responsibilities As an Applied Physicist, you will join the Non-Linear Dynamics and Collimation Section within the Accelerator and Beam Physics Group (ABP) under the Beams Department (BE), where you will work on Collimation and Machine-Detector Interface (MDI) studies contributing directly to the design of the Future Circular Electron Positron Collider (FCC-ee).
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Applied Physicist - Collimation Studies for HL-LHC (BE-ABP-NDC-2025-125-GRAP)
Employment Type: Full-time Your responsibilities As an Applied Physicist, you will join the Non-Linear Dynamics and Collimation Section within the Accelerator and Beam Physics Group (ABP) under the Beams Department (BE), where you will work on advanced studies for beam collimation and halo characterization. Starting in 2030, the High-Luminosity LHC project aims to significantly enhance the performance of the LHC, increasing its potential for groundbreaking discoveries
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Mechanical Design Engineer (EN-HE-PO-2025-146-GRAE)
Employment Type: Full-time Your responsibilities Our Engineering Department (EN) is looking for a Mechanical Design Engineer to join our Handling Engineering Group, specifically in the Project Office section. The Project Office is composed a group of multicultural mechanical engineers and designers and tackles all handling issues and requests in the CERN accelerator complex
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Computing Engineer (IT-CD-PI-2025-149-GRAE)
Employment Type: Full-time Your responsibilities Are you ready to contribute to one of the world's largest scientific communities? Passionate about cloud-native platforms and cutting-edge infrastructure? This is your chance to be part of CERN's Platforms Infrastructure team, supporting critical services and repositories that power campus service, continuous integration, machine learning, and much more.
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Mechanical Engineer for LHC Collimators (EN-MME-EDS-2025-148-GRAE)
Employment Type: Full-time Your responsibilities The Mechanical and Materials Engineering (EN-MME) group, within the Engineering Department (EN), is looking for a Mechanical Engineer to perform engineering studies, calculations and support to the fabrication for the High Luminosity (HL)-LHC Collimators. The collimators are critical elements of the LHC machine, providing particle beam cleaning and protecting the superconducting magnets
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Accelerator Physicist (SY-RF-BR-2025-128-GRAP)
Employment Type: Full-time Your responsibilities Join the Beams and Radio Frequency Studies (BR) Section of the Radio Frequency (RF) Group as an Accelerator Physicist! Machine development studies in the LHC, including the RF commissioning during the "heat run" are a major priority, and a mandatory step to prepare the operation with the high-efficiency klystrons at HL-LHC intensities
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