Aktuelle job hos CERN - The European Research Center of Particle Physics

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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Computing Engineer (Monitoring) (IT-DA-ASM-2025-256-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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Safety Electrical Technical Engineer (EN-ACE-AQS-2025-253-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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Electrical Technician (SY-EPC-MPC-2025-275-GRAE)

Employment Type: Full-time Your responsibilities: In this role, you will support the replacement and commissioning of power converters for the ISOLDE project. Working under the guidance of an experienced technician, you will contribute to the safe removal, installation, testing, and documentation of new equipment. Key Tasks:• Collaborate with electromechanics during the removal of existing converters. • Coordinate and follow up on transport requests for the evacuation of old equipment.

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Mechanical Technician for LHCb ECAL (EP-LBD-2025-274-GRAE)

Employment Type: Full-time You will become part of an international team working on the Upgrade of the ECAL sub-detector of the LHCb experiment. Your responsibilities• Mechanical assembly of modules made of lead or tungsten absorber and polystyrene fibres; • Participation in the dismantling and reassembly of the LHCb ECAL in the coming years; • Design and machining of precision pieces and tooling; • Mechanical support for test beam campaigns. More information here.

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Data Engineer (IT-DA-ASM-2025-255-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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WLCG Finance & Resource Coordinator (IT-RM-BM-2025-254-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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Applied Physicist in LAr Calorimeters (EP-ADE-CA-2025-251-GRAP)

Employment Type: Full-time Join the ATLAS experiment at the HL-LHC during a pivotal moment. In this role, you will help operate one of the world's most advanced calorimeter systems and shape the next-generation upgrade that will enable groundbreaking physics in the years ahead. You will work closely with experts developing, operating, and innovating the software and control systems that keep the detector running safely and efficiently

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Junior Electrical Engineer (EN-EL-CS-2025-273-GRAE)

Employment Type: Full-time As a Junior Electrical Engineer within the Cabling Section, you'll play a key role in expanding, strengthening, and maintaining CERN's signal and power cable installations, required for various systems within the CERN accelerators. In this role, you will also be closely involved in the High-Luminosity LHC (HL-LHC) programme

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Mechanical Design Technician for SHiP (EP-SME-SHP-2025-272-GRAE)

Employment Type: Full-time Introduction Are you a highly motivated and versatile technician dreaming to take up a challenge at the frontiers of science? Join the central project team of the newly approved Search for Hidden Particles experiment within the CERN's Experimental Physics Department, contributing to detector component prototyping and infrastructure design.

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Reliability Engineer (HSE-RP-IL-2025-247-GRAP)

Employment Type: Full-time CERN designs, develops, and operates world-leading particle accelerators and experiments to deepen our understanding of the fundamental laws of the universe. These activities inevitably produce stray radiation through interactions between particle beams and matter. To monitor radiation levels precisely, CERN deploys a network of detectors positioned near beam lines, targets, and experimental facilities across its site.

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Assistant of Department Safety Officer (EP-DI-SO-2025-195-GRAP)

Employment Type: Full-time Your responsibilities: The candidate will join the Safety Office team within the Physics department (EP-DI) as Assistant DSO (Department Safety Officer). Between others, the Safety Office team is in charge of proposing and monitoring the implementation of appropriate safety measures to ensure the compliance of installations, activities and projects under the responsibility of the department with the CERN Safety Rules and best practices.

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Research Software Engineer - Finance (EP-SFT-2025-194-GRAP)

Employment Type: Full-time Are you excited about bringing together particle physics and finance? Project HighLO applies data analysis techniques from physics to financial markets, helping regulators and exchanges tackle challenges like fraud detection. We are looking for a Research Software Engineer to turn our research into production-ready algorithms and tools. ROOT (root.cern) is a C++/Python framework developed at CERN and used worldwide in particle physics, and also in Project HighLO.

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Design Engineer Monolithic Pixel Sensors (EP-ESE-2025-246-GRAP)

Employment Type: Full-time Join the microelectronics design team at CERN to develop and optimise advanced analog integrated circuits for next-generation monolithic pixel sensors. You will design, simulate, lay out, verify and test innovative circuits supporting high-precision, radiation-tolerant detectors such as ALICE 3.

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Applied Physicist - Silicon-Detector R&D and DAQ (EP-DT-SD-2025-242-GRAP)

Employment Type: Full-time Join the CERN Experimental Physics department in its R&D program on technologies for future experiments, focusing on advanced silicon pixel detectors. You will work on monolithic pixel detectors for the DRD3 OCTOPUS project, further developing and adapting the Caribou data-acquisition system and leading test-beam data-taking and analysis. This role involves close collaboration with the EP R&D team and international DRD3 partners.

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Detector Physicist (EP-NU-2025-245-GRAP)

Employment Type: Full-time Join the Neutrino Platform Project to contribute to the DUNE experiment, an International Collaboration, at the frontier of the research in Neutrino physics. We're looking for a Detector Physicist in High Energy Physics and specific knowledge and expertise in Liquid Argon (LAr) Time Projection Chamber (TPC) detectors to support the activities and the commitments of the scientists and engineers in the CERN Neutrino Platform for the DUNE Vertical Drift Far Detector.

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Data Scientist (EP-SFT-2025-235-GRAP)

Employment Type: Full-time In this role, you will help develop advanced methods to compress deep learning models using low-rank and tensor-network techniques. You will contribute to the pQuant open-source library, working with an interdisciplinary team to make AI models more efficient and scalable, conducting research and development activity as part of a heterogenous team of physicists and computer scientists.

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Computer Scientist (EP-SFT-2025-234-GRAP)

Employment Type: Full-time In this role, you will contribute to the development of advanced AI methods for efficient data processing in high-energy physics. You will work on deep learning and tensor-network techniques to help build next-generation software for real-time data analysis, conducting research and development activity as part of a heterogenous team of physicists and computer scientists.

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Heat and Mass Transfer R&D Engineer (EP-DT-DC-2025-206-GRAP)

Employment Type: Full-time As a mechanical research engineer for the R&D of novel detector cooling solutions you will become part of a new R&D team in the EP-DT-DC section, responsible for the development of new detector cooling solutions. Your field of activity will be especially related to the study of the heat and mass transfer properties of CO2 flows in small channels, in both super-critical and sub-crititcal conditions.

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Applied Physicist for ATLAS Trigger Reconstruction (EP-ADT-TR-2025-201-GRAP)

Employment Type: Full-time The goal of this project is to introduce innovative selections into the ATLAS trigger system to improve the identification of events in difficult regions of the parameter space, including rare Standard Model processes and exotic signatures. In collaboration with NextGen doctoral students, the selected candidate will contribute to the development of the trigger menu for the HL-LHC era.

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Applied Physicist - Pixel-Detector R&D (EP-DT-SD-2025-243-GRAP)

Employment Type: Full-time Join the CERN Experimental Physics department in its R&D program on technologies for future experiments, focusing on advanced silicon pixel detectors. The work involves combining sensors and readout electronics into compact, lightweight detector hybrids. You will develop and test new methods for connecting these components, working closely with the R&D team and international collaborators.

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Mechanical Technician (SY-BI-ML-2025-271-GRAE)

Employment Type: Full-time Are you a passionate mechanical technician, that would like to expand the horizons toward a new generation of beam instrumentation for the Future Circular Collider? Then join the team responsible for the mechanical design of beam instrumentation. You'll be part of a thriving community interfacing with scientists for the conception of new instruments, within a collaboration that spans across Europe

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Liaison Officer for Local Community Engagement (IR-ECO-CE-2025-247-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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Human Resources Adviser (HR-PXE-2025-252-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 for the CMS Experiment (EP-CMX-SCI-2025-249-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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Electrical Technician (SY-EPC-HPC-2025-251-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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Safety and Control Systems Engineer for the CMS Experiment (EP-CMX-SCI-2025-250-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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Data Engineer (FAP-BC-ENG-2025-227-GRAP)

Employment Type: Full-time Are you an experienced and motivated data engineer with a passion for data modeling and modern data architectures? We are currently rebuilding our data platform from the ground up, and we're looking for someone who can help shape its future. If you're at ease designing and implementing robust data pipelines, optimising database queries, integrating diverse data sources, and configuring messaging/event-driven systems, then this is your opportunity.

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Full-Stack Software Engineer (RCS-SIS-TS-2025-226-GRAP)

Employment Type: Full-time Are you a passionate Full Stack Engineer looking to work in a dynamic and innovative environment? Are you eager to learn and grow in a collaborative and supportive setting?

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Software Engineer for GPU-Accelerated Scientific Libraries

Employment Type: Full-time Join the Next-Generation Triggers project at CERN to work on optimising key algorithms for real-time data processing on GPUs. Take an active role in developing and improving components such as matrix operations and approximation algorithms, exploring varied floating-point precision to maximise performance and efficiency

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Superconducting RF Engineer (SY-RF-SRF-2025-248-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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Digital IC Design Engineer (EP-ESE-ME-2025-225-GRAP)

Employment Type: Full-time We are looking for a digital ASIC design engineer to work on the next generation of advanced MAPS particle-detector ASICs for the CERN detector complex. You will contribute to the design, implementation, and verification of high-performance digital readout and control circuits that meet demanding targets in speed, density, power efficiency, and radiation tolerance, while collaborating closely with analog and verification specialists.

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Senior Geotechnical Engineer (SCE-PPM-2025-208-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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Computational Physicist - Beam Simulation Software (BE-ABP-CAP-2025-217-GRAP)

Employment Type: Full-time The Computational Accelerator Physics section (BE-ABP-CAP) develops and maintains CERN's software ecosystem for accelerator design and beam-dynamics simulation, providing the tools and models that drive machine performance and future upgrades. In this role you will directly contribute to the development an evolution of these tools

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Applied Physicist - CLEAR Facility (BE-ABP-PEC-2025-216-GRAP)

Employment Type: Full-time You will contribute to the operation and development of the CLEAR user facility, optimising beam parameters to meet experimental needs. The role includes coordinating with user groups, supporting experiments, and following up on requests. A key focus is on medical research, including Very High Energy Electrons (VHEE) and FLASH radiotherapy

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CERN Pension Fund Actuarial and Technical Committee External Expert

Employment Type: Contract Job Overview: You will join the Actuarial and Technical Committee (ATC) of the CERN Pension Fund as one of its external professional experts. In this role, you will contribute to the oversight of the Fund’s actuarial matters by reviewing periodic actuarial valuations, monitoring the Fund’s funding status and advising the Pension Fund Governing Board (PFGB) on measures aimed at securing full funding

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Robotics Software Engineer (BE-CEM-MRO-2025-209-GRAP)

Employment Type: Full-time You will contribute to the software architecture and algorithm development for the robotic Beam Loss Monitor (BLM) calibration mission. You will oversee the integration, testing, and commissioning of software modules, including communication with hardware actuators and sensors, first in simulation and later on the Train Inspection Monorail robot using the CERN Robotic Framework

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Fibre Optic Site Engineer (EN-EL-FO-2025-208-GRAP)

Employment Type: Full-time Great technology needs great people! Join the Fibre Optics Section in the Electrical Engineering Group (EN-EL) and actively participate in the design, preparation, supervision and validation of optical fibre installations. The Engineering Department (EN) pushes forward the limits of technology so that physicists can carry out their research.

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Software Developer (EP-ADT-TR-2025-207-GRAP)

Employment Type: Full-time Join the ATLAS Trigger and DAQ system as part of the Next-Generation-Trigger project to work on the Global Hardware Trigger, an upgrade that will be deployed for the High-Luminosity LHC programme for real-time data processing and event filtering using state-of-the-art field programmable gate arrays (FPGAs).

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Controls Engineer (EP-DT-FS-2025-267-GRAE)

Employment Type: Full-time Your responsibilities As a Control Engineer in the detector cooling team, you will play a key role in the installation and commissioning of critical CO2 detector cooling control systems for ATLAS and CMS Phase II upgrade. These systems are PLC based with deported input/output and connected to a centralised SCADA system. Field equipment are using refrigeration instrumentation and actuators following industrial standards

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Full-Stack Software Developer (EN-ACE-2025-260-GRAE)

Employment Type: Full-time 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 engage in the development and enhancement of software solutions for the group. This includes participating in the complete lifecycle of software development.

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Welding Engineer: Project Support (EN-MME-FW-2025-182-GRAP)

Employment Type: Full-time The Engineering Department (EN) pushes forward the limits of technology to provide innovative research tools to the physics and engineering worldwide community. The position is opened in the Mechanical and Materials Engineering (MME) Group, which owns, maintains and develops the 40 years old know-how on the mechanical design, manufacturing and assembly of accelerator and detector devices.

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Converter Controls Architecture Engineer (SY-EPC-CCE-2025-259-GRAE)

Employment Type: Full-time Study converter digital control architectures for the next generation particle accelerator (the Future Circular Collider – FCC), creating a model, and a parameterised scenario building tool to compare architectures. Your results will be used to select the most suitable control philosophy for power converters for the FCC, optimising dependability, versus capital investment (CAPEX) and ongoing operational costs (OPEX) Your responsibilities

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Robotics Automation Engineer (BE-CEM-MRO-2025-246-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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Applied Physicist in TPC Calibration (EP-AIP-2025-198-GRAP)

Employment Type: Full-time Join the ALICE experiment team at the Large Hadron Collider to contribute to cutting-edge research on Quark-Gluon Plasma and high-rate heavy-ion collisions. We are seeking an applied Physicist with strong expertise in Time Projection Chamber (TPC) calibration to support the optimisation, correction procedures, and data-quality workflows of the upgraded ALICE TPC. Your responsibilities• Tools and procedures for extraction of calibration data.

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Data Steward (RCS-SIS-OS-2025-197-GRAP)

Employment Type: Full-time We are seeking a motivated open science specialist to help us to streamline data management practices within CERN. This is a unique opportunity to build a new function from the ground up and shape how we manage, preserve and make our research data openly available. You will work in a small team within CERN's Open Science Office which supports the implementation of the CERN Open Science policy signed in 2022.

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Electronics Technical Engineer (SY-RF-LL-2025-72-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-MSC-CMI-2025-196-GRAP)

Employment Type: Full-time Are you a mechanical engineer with an interest in vacuum, cryogenics, and electro-mechanical systems, eager to contribute to cutting-edge projects at CERN? Join the Cryostat and Machine Integration (CMI) Section, an international team responsible for designing and constructing cryostats for superconducting accelerator devices and integrating technical systems within the accelerator environment.

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Mechanical Engineer for FCC-ee (EN-MME-EDS-2025-251-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 follow-up the construction, planning, maintenance and upgrade of the FCC-ee arc half-cell mock-up. The FCC-ee is one of the proposed new accelerators to be built at CERN in the coming years. It is a lepton circular collider with a circumference of ~90km, more than 70km of which are made by the arcs

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Software Engineer for Geodetic Metrology Applications (BE-GM-APC-2025-252-GRAE)

Employment Type: Full-time You will contribute to the maintenance and evolution of the existing software infrastructure, with a focus on enhancing C++, Qt, and Python modules that are essential to the daily operations of CERN's Surveying teams. Your responsibilities• Investigate and resolve software issues reported by users, provide timely feedback, and coordinate development activities with the supervisor in accordance with current priorities;

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Technical Infrastructure Control Room Operator (BE-OP-TI-2025-245-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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Survey Engineer – AWAKE Project (BE-GM-ASG-2025-247-GRAE)

Employment Type: Full-time Join the Geodetic Metrology group at CERN, where you will take part in the metrology and alignment of a wide variety of components that are used in particle physics experiments! You will use state-of-the art surveying tools and software to achieve the sub-millimetre accuracy necessary to meet our goals

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Data and Analytics Engineer (FAP-BC-ENG-2025-243-GRAE)

Employment Type: Full-time Are you passionate about data, problem-solving, and turning complex information into clear insights? Do you enjoy maintaining and improving data systems, from legacy databases to modern reporting platforms? Join our agile, self-organized team of engineers to help maintain and develop CERN's Corporate Information Systems! You'll be part of the Business Computing (BC) group, supporting Finance and Procurement.

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Senior Civil Engineering Project Manager (SCE-PPM-2025-238-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 (SY-STI-TCD-2025-193-GRAP)

Employment Type: Full-time The successful candidate will be responsible for the analysis and design of various beam intercepting devices for the FCCee study, including collaboration with P3 on the positron source, as well as work on lepton and beamstrahlung dumps, depending on the project priorities. The activity will also include development of the radiation shielding for the FCCee main dipole system. Your responsibilities

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System & Network Administrator (HSE-RP-CS-2025-242-GRAE)

Employment Type: Full-time The Radiation Protection (RP) Group of the Occupational Health and Safety and Environmental Protection (HSE) Unit ensures that personnel on the CERN sites and the public are protected from potentially harmful effects of ionising radiation linked to CERN activities

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Full-Stack Software Engineer (Java, JavaScript) (EN-IM-AMM-2025-240-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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CERN OPENLAB Summer Student Programme 2026

Employment Type: Intern Company Description Discover a world where the impossible is made possible! At CERN, the European Organization for Nuclear Research, we are pushing the frontiers of science and technology. Our groundbreaking work brings together not only physicists but also a diverse range of professionals from engineering, technical, scientific, and administrative fields. Together, we foster an environment where innovation and collaboration thrive.

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Senior Legal Adviser (DG-LS-2025-235-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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Survey Engineer (BE-GM-ESA-2025-189-GRAP)

Employment Type: Full-time Join the Geodetic Metrology group at CERN, where you will take part in the metrology and alignment of a wide variety of components that are used in particle physics experiments! You will use state-of-the art surveying tools and software to achieve the sub-millimetre accuracy necessary to meet our goals

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Survey Engineer for LHC Experiments (BE-GM-ESA-2025-240-GRAE)

Employment Type: Full-time Join the Geodetic Metrology group at CERN, where you will take part in the metrology and alignment of a wide variety of components that are used in particle physics experiments. You will use state-of-the art surveying tools and software to achieve the sub-milimetre accuracy necessary to meet our goals! Your responsibilities:

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Safety Engineer (SCE-2025-237-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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CERN Summer Student Programme 2026 (Member and Non-Member State)

Employment Type: Intern Company Description Discover a world where the impossible is made possible! At CERN, the European Organization for Nuclear Research, we are pushing the frontiers of science and technology. Our groundbreaking work brings together not only physicists but also a diverse range of professionals from engineering, technical, scientific, and administrative fields. Together, we foster an environment where innovation and collaboration thrive.

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Electronics Technician - PCB Assembly (BE-CEM-EPR-2025-239-GRAE)

Employment Type: Full-time Join CERN's Electronics Service (EPR) team within the BE-CEM group, responsible for the layout, industrialisation, and production of electronics modules for CERN's accelerator complex. You will contribute to the assembly and testing of printed circuit boards (PCB), gaining hands-on experience with state-of-the-art industrial equipment and quality standards. Your responsibilities:• Perform PCB assembly and soldering of Surface Mount Devices (SMD) and connectors.

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Survey Technician (BE-GM-ASG-2025-233-GRAE)

Employment Type: Full-time Within a team of surveyors, you will perform high-precision measurements for the metrology and alignment of components installed in the accelerators, their beam transfer lines and physics experiments throughout CERN. Your responsibilities:• Perform metrology measurements at all stages of the assembly of accelerator components using laser tracker technology. • Carry out the alignment of various components throughout the CERN complex.

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Junior Survey Engineer (BE-GM-ASG-2025-234-GRAE)

Employment Type: Full-time Within a team of surveyors, you will perform high-precision measurements for the metrology and alignment of components installed in the accelerators, their beam transfer lines and physics experiments throughout CERN. Your responsibilities• Perform metrology measurements at all stages of the assembly of accelerator components using laser tracker technology. • Carry out the alignment of various components throughout the CERN complex.

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Junior Controls and Automation Engineer (BE-ICS-ECS-2025-222-GRAE)

Employment Type: Full-time Join the team that keeps CERN's accelerators and detectors cool and running at peak performance! As part of the Cooling & Ventilation Developers Team, you'll design and commission advanced HVAC and cooling control systems vital to the LHC's operation. Collaborate with experts from the Beams Department and Industrial Control Systems Group to ensure precision and reliability at an unprecedented scale

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Gas Systems and Worksite Supervision Technician (BE-EA-EC-2025-228-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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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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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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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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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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