Aktuelle job hos CERN - The European Research Center of Particle Physics
Electrical Engineer for Safety Systems (EN-AA-CSE-2026-112-GRAP)
Employment Type: Full-time As an Electrical Engineer, you will join the Engineering Department (EN), specifically the EN-AA-CSE team, to work on the Future Circular Collider (FCC) study. The Future Circular Collider study is developing designs for the next generation of higher-performance particle colliders that could follow the Large Hadron Collider (LHC). The FCC Feasibility Study investigated the technical and financial viability of the FCC at CERN
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Electrical Design Engineer (EN-EL-DDO-2026-104-GRAP)
Employment Type: Full-time The Electrical Engineering Group (EN-EL) at CERN is responsible for the electrical power-distribution network (from 400 kV to 400/230V), for the fibre-optics infrastructure, and for signal and DC-power cabling for the accelerator complex. You will join the Electrical Design and Documentation Office (EN-EL-DDO) as an Electrical Designer
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3D Integration Engineer (EN-ACE-INT-2026-183-GRAE)
Employment Type: Full-time The 3D Integration Office, part of CERN's EN-ACE group, coordinates integration activities for the third Long Shutdown (LS3), a major programme shaping the future of the accelerator complex. In this role, you will coordinate a multidisciplinary team of designers, oversee complex 3D integration studies, and drive continuous improvement of data quality processes
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Electrical Technician (TE-MSC-HSD-2026-184-GRAE)
Employment Type: Full-time You will work on the qualification and characterisation of High Temperature Superconductor (HTS) tapes and cables that will be used for the High-Luminosity Upgrade of the Large Hadron Collider (HL-LHC) as well as for the development and fabrication of high-field magnets. We are looking for you who is curious and eager to learn
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L0 Muon Trigger Development (SW&FW) (EP-ATL-TRG-2026-122-GRAP)
Employment Type: Full-time The objective of the project is to introduce novel selections in the ATLAS trigger to enhance performance in challenging parts of the parameter space, including exotic signatures and rare Standard Model processes, and to improve the robustness of the muon trigger. Together with NexGen doctoral students, the selected candidate will work on the design of new algorithms for the L0 muon trigger. This position is part of the Next Generation Trigger programme.
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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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Applied Physicist for ATLAS Trigger Reconstruction (EP-ATL-OSW-2026-124-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 High-Luminosity Large Hadron Collider (HL-LHC) era
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Physicist / Engineer for Radiation Environments and Effects (SY-STI-BMP-2026-120-GRAP)
Employment Type: Full-time In the context of Radiation to Electronics (R2E) activities within CERN's Beam Matter Interaction Physics (BMP) section, you will work on studying radiation environments and their impact on accelerator systems. Within the Monitoring and Calculation Working Group, your work will focus on the analysis of radiation data with the aim of mitigating the exposure of electronic systems and improving the availability of the accelerators.
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Detector Scientist (EP-ATL-TRK-2026-116-GRAP)
Employment Type: Full-time During the ATLAS Phase-II upgrade in Long Shutdown 3, an all-silicon Inner Tracker (ITk) will be installed, consisting of four silicon strip layers and five hybrid pixel layers. The detector will provide exceptional radiation hardness and fast charged-particle reconstruction
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C++ Software Engineer (SY-EPC-CCS-2026-115-GRAP)
Employment Type: Full-time As a Software Engineer, you will engage in the development, evolution, and long-term maintenance of C++ software solutions running in Linux environments. Working within a collaborative team of software engineers and domain experts, you will contribute to the core control applications that govern more than 5,000 power converters across the accelerator complex.
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Project Engineer - Machine (SCE-PPM-PM-2026-110-GRAP)
Employment Type: Full-time As a Project Engineer within the SCE 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 interfaces with internal and external stakeholders throughout the design and construction phases, ensuring smooth collaboration while meeting technical, scheduling, budgetary, and safety objectives.
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Electronics Engineer Silicon Sensors R&D (EP-ATL-TRK-2026-117-GRAP)
Employment Type: Full-time Dense tracking environments in experiments at CERN's High-Luminosity LHC and future FCC experiments require increased use of timing information in addition to the position measurements provided by pixel detectors. This adds an extra dimension to the available information and is essential for mitigating pile-up effects at high luminosities
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Full-Stack Software Engineer for CERN's PLM Platform (EN-IM-PLM-2026-127-GRAE)
Employment Type: Full-time Company Description The Engineering Department's Information Management group is seeking a highly motivated full stack software engineer with strong technical skills and a passion for learning. The group is leading a major modernisation effort to simplify a heterogeneous application landscape and enable the Organization's move toward engineering Digital Twins, supporting more than 5000 users.
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Material Scientist - ISOL Targets (SY-STI-RBP-2026-166-GRAE)
Employment Type: Full-time The Radioactive Beam Production section (SY-STI-RBP) is seeking a Material Scientist, Materials Engineer, Chemist, or related specialist to contribute to the development of next-generation target materials for radioactive ion beam production at the ISOLDE facility.
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SW & FW Developer / Physicist (EP-ATL-TRG-2026-123-GRAP)
Employment Type: Full-time The Global Hardware Trigger is part of the upgrade to the Trigger and Data Acquisition that ATLAS plans to deploy for the High-Luminosity LHC programme (HL-LHC). It is a custom hardware, real-time data processing and filtering system, currently under construction, that uses fine-granularity detector information and will employ advanced pattern recognition algorithms.
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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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Mechanical Technician (SY-RF-AC-2026-172-GRAE)
Employment Type: Full-time You will contribute to the development, assembly, and installation of RF components for the High-Luminosity LHC (HL-LHC) galleries, working closely with a multidisciplinary mechanical team. You will be fully integrated into the R&D team, collaborating with engineers, technicians, and students on innovative projects aimed at improving the performance of existing accelerators and contributing to the development of future high-energy machines
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Full-Stack Software Engineer (IT-CA-IR-2026-99-GRAE)
Employment Type: Full-time The CERN Document Server (CDS) is CERN's institutional repository, dedicated to archiving, preserving, and disseminating research outputs, multimedia content, and other key documents produced by the organisation. We are building the next-generation web platform based on the open-source technology InvenioRDM, and as a Graduate, you will play a crucial role in shaping its future.
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ATLAS Forward Detector DAQ Developments (EP-ATL-AM-2026-119-GRAP)
Employment Type: Full-time Are you a hands-on physicist with a strong interest in advanced detector technologies and software development? Join CERN's Experimental Physics (EP) Department and contribute to the next generation of instrumentation for the ATLAS experiment at the High-Luminosity LHC. You will work in close collaboration with international teams contributing to the LUminosity Cherenkov Integrating Detector (LUCID-3) and the High-Luminosity Zero Degree Calorimeter (HL-ZDC).
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Project Engineer/Scientist - Radiation Effects (SY-STI-BMP-2026-118-GRAP)
Employment Type: Full-time RADNEXT 2030 is a Horizon Europe Research Infrastructure Services project that provides coordinated transnational access to radiation effects testing facilities across Europe and beyond. CERN is the project coordinator and also operates two key facilities within the network: CHARM and HEARTS@CERN. This position is embedded in the Radiation to Electronics (R2E) activity within the Accelerator Systems department
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SW Developer / Experimental Physicist (EP-ATL-OSW-2026-121-GRAP)
Employment Type: Full-time The Event Filter (EF) is part of the ATLAS Trigger and Data Acquisition (TDAQ) system and consists of a multi-threaded asynchronous processing farm of commodity servers (CPUs with or without accelerators) running a subset of offline-like reconstruction algorithms together with menu-driven event selection.
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People Experience Assistant (HR-PXE-2026-174-GRAE)
Employment Type: Full-time Join our Human Resources People eXperience and Engagement team of HR Coordinators and HR Advisors to play a key role in shaping the employee journey at CERN, supporting a diverse community of students, graduates, and staff while navigating a dynamic and evolving environment, by designing and delivering tailored HR support, services, and policies
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Sustainability Reporting & Communications Project Officer (OSI-ICS-2026-125-GRAP)
Employment Type: Full-time Do you have experience in sustainability reporting? Do you enjoy gathering and analysing information to deliver powerful communications that meet the needs of a variety of stakeholders? Do you have good project management skills and the ability to share complex data and stories in way that is engaging, inspiring and which supports culture change?
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Calorimeter Development Physicist (EP-LCB-2026-126-GRAP)
Employment Type: Full-time As an applied physicist, you will contribute to the development of radiation-hard Spaghetti Calorimeter (SpaCal) technology with dense absorbers to achieve picosecond-level time resolutions. This work is part of the strategic detector R&D programme within the Experimental Physics (EP) Department at CERN.
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CERN Pension Fund Governing Board External Professional Expert
Employment Type: Contract Company Description Background The CERN Pension Fund is the pension fund of the European Organization for Nuclear Research (CERN). The purpose of the Fund is to provide pension and disability benefits to over 7,000 members and beneficiaries employed at CERN and at the European Southern Observatory (ESO). Operating as a funded defined benefit scheme, the CERN Pension Fund's assets currently exceed CHF 4.6 billion.
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ATLAS Detector Installation Technician (EP-ATL-PO-2026-178-GRAE)
Employment Type: Full-time The EP-ATL-PO section plays a key role in the upgrade and maintenance of the ATLAS detector at the LHC. As a Junior Mechanical Technician, you will support experienced colleagues in mechanical installation and integration activities on the detector and its infrastructure during Long Shutdown 3 (LS3), while gaining hands-on experience in a cutting-edge experimental physics environment.
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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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Installation and Maintenance Technician (SY-BI-BL-2026-176-GRAE)
Employment Type: Full-time In this role, you will contribute to a major upgrade program of CERN's accelerator complex by maintaining, replacing, and installing beam instrumentation systems. Your day-to-day work involves removing and installing equipment components across accelerator facilities, tracking interventions using CERN's management tools, and coordinating on-site progress with engineers and technicians
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Mechanical Technician (SY-STI-BDE-2026-181-GRAE)
Employment Type: Full-time The SY-STI-BDE 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.
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