Cern
Open positions
Asset Accountant (FAP-ACC-GA-2026-214-LD)
Introduction Within CERN’s Finance and Administrative Processes Department (FAP), specifically the Accounting Services Group. We are looking for a dynamic person to join our General Accounting (GA) section and play an…
Software Engineer in Physics Simulation (IT-CE-PSE-2026-167-GRAP)
We are offering a position in the Physics Software Engineering section of the Computing for Experiments group in the CERN IT department (IT-CE-PSE) on Performance Software Engineering in the realm of high energy…
Event Reconstruction Physicist (EP-FCC-2026-166-GRAP)
The next generation of experiments, the HL-LHC upgrade of CMS and the Future Circular Collider, needs event reconstruction that is fast, accurate and portable across CPUs and GPUs. Every reconstruction algorithm and…
Full-Stack Software Developer (Java / React) (EN-IM-CAP-2026-245-GRAE)
CERN's Engineering Information Management group is looking for a Full-Stack Developer to join our dynamic development team. This role involves designing, developing, and maintaining software solutions that support…
Junior Project Engineer (ATS-DO-2026-244-GRAE)
As a Project Engineer for the High-Luminosity LHC, you will join the Project Office (DO) within the Accelerators and Technology (ATS) Sector. In the frame of HL-LHC installations during the Long Shutdown 3 (LS3) your…
Software Engineer (IT-CA-CET-2026-210-LD)
Introduction Are you passionate about building and operating large-scale digital services that connect thousands of users across a worldwide scientific community? As a Computing Engineer in CERN’s IT Department, you…
Software and Infrastructure Engineer (IT-CA-OSI-2026-213-GRAE)
You will contribute to developing, deploying, and maintaining the application supporting the Open Research Europe publishing platform based on Open Journal Systems (OJS). Working under the guidance of a senior…
Digital ASIC Designer (EP-ESE-ME-2026-134-GRAP)
Join CERN's EP-ESE-ME section in the development of a radiation-tolerant microcontroller ASIC for use in future particle physics detectors and accelerator systems. Operating in highly challenging radiation…
Applied Physicist/Engineer - ATLAS ITk Integration (EP-ATL-TRK-2026-207-LD)
Introduction The CERN ATLAS Team plays a major role in the construction and integration of the future silicon ATLAS Inner Tracker (ITk). The different parts of the ITk system are being constructed and integrated in…
Applied Physicist/Engineer - ATLAS ITk (EP-ATL-TRK-2026-208-LD)
Introduction The CERN ATLAS Team plays a major role in the construction of the future silicon ATLAS Inner Tracker (ITk). In particular, the final integration of the ITk detector prior to installation in the experiment…
Instrumentation Engineer (TE-CRG-IC-2026-94-GRAP)
Within the framework of the High-Luminosity Large Hadron Collider project, and long shutdown activities, you will join the Cryogenic Group as a full member of the team, working in a multidisciplinary environment…
Machine Learning Engineer (IT-CD-2026-239-GRAE)
Interested in helping shape the next generation systems handling the very large amount of data coming out of CERN physics detectors? Passionate about machine learning (ML) and how it will reshape how our experiments…
Full-Stack Software Developer (IT-CA-2026-236-GRAE)
Are you passionate about software development and interested in supporting Open Data and Open Science in research? Join our team that is building services for open data and reproducible computational data analyses!…
Planning Engineer (EP-ATL-PO-2026-200-LD)
Introduction As a Planning Engineer within the ATLAS Technical Coordination, you will play a key role in monitoring ATLAS activities during Long Shutdown 3 (LS3). You will be responsible for keeping the installation…
Controls and Automation Engineer (EN-CV-CL-2026-199-LD)
Introduction: The Engineering Department (EN) pushes the boundaries of technology to enable physicists to carry out world-class scientific research. Within the EN Department, the Cooling and Ventilation Group (EN-CV)…
Software Developer - Beam Optics (BE-ABP-LNO-2026-132-GRAP)
Join the Linear and Non-Linear Optics (LNO) Section within CERN's Accelerator and Beam Physics (ABP) Group and help shape the future of the High-Luminosity Large Hadron Collider (HL-LHC). As part of the Optics…