Company · 197 open roles
Careers at CERN
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197 positions at CERN
Administrative Assistant (EP-AGS-2026-227-GRAE)
CERN·Geneva, GENEVA, ch
As an Administrative Assistant in the CERN Users Office, you will contribute to the delivery of customer-focused administrative services for CERN's international community of guest scientists, supporting processes related to registration, personnel formalities, and Host State doc…
Online Software Developer (EP-CMS-TDQ-2026-153-GRAP)
CERN·Geneva, GENEVA, ch
As a Software Developer, you will contribute to the upgrade of the CMS data acquisition system for the High-Luminosity LHC. You will design and develop software for FPGA-based electronics platforms, enabling the configuration, control and monitoring of the Trigger and Timing Cont…
Detector Simulation Physicist (EP-SFT-2026-152-GRAP)
CERN·Geneva, GENEVA, ch
In this role, you will develop and improve GPU-accelerated Monte Carlo detector simulation software within the Geant4 team, with a particular focus on optical photon transport. You will contribute to software design and implementation, physics validation against established CPU s…
Mechanical Technician for CMS (EP-CMS-IC-2026-226-GRAE)
CERN·Geneva, GENEVA, ch
We are recruiting two early-career graduates for Mechanical Technician positions within the CMS experiment. Both positions involve hands-on mechanical work and close collaboration with technicians, engineers, and physicists, but each will have a different main area of responsibil…
Mechanical CAD Designer at CERN
CERN·Schweiz
What you'll do: As a Mechanical CAD Designer in the Superconducting Magnet Technology section, you will develop three-dimensional computer-aided design (CAD) models and detailed drawings for novel superconducting magnets and associated tooling. Working closely with engineers and …
Research Fellowship: Theoretical Physics
CERN·Geneva, GE, ch
You will join one of CERN’s theoretical physics research groups, if selected for this Research Fellowship, to develop and lead your own research programme at the frontier of fundamental physics. You will work in a highly collaborative and international environment, contributing t…
Transport and Handling Specialist (EN-THE-HH-2026-196-LD)
CERN·Geneva, GENEVA, ch
Introduction The Engineering Department (EN) provides CERN with the Engineering expertise, Infrastructure Systems and Technical Coordination necessary for the design, installation, operation, maintenance and dismantling phases of the CERN accelerator complex and its experimental …
Electrical Design Engineer (EP-DT-DI-2026-225-GRAE)
CERN·Geneva, GENEVA, ch
You will join a team responsible for developing and optimising hardware and software solutions for control, protection and safety systems used in CERN's experimental facilities. In this role, you will contribute to the operation and reliability of the magnet systems of the LHC ex…
Mechanical CAD Designer at CERN
CERN·Switzerland
What you'll do: As a Mechanical CAD Designer in the Superconducting Magnet Technology section, you will develop three-dimensional computer-aided design (CAD) models and detailed drawings for novel superconducting magnets and associated tooling. Working closely with engineers and …
Governance, Risk and Compliance Lead
CERN·Schweiz
What you'll do Within the Office of the CIO, you will advise senior management and governance bodies on data governance, architecture, cybersecurity, ICT risk and compliance, establishing the frameworks, principles and accountabilities that enable coherent and sustainable use of …
Safety Engineer (EP-CMS-SSI-2026-224-GRAE)
CERN·Geneva, GENEVA, ch
As part of the Technical Coordination team for the CMS Experiment at the Large Hadron Collider (LHC), you will join the Safety Team and familiarise yourself with CERN and CMS safety systems and alarms, hazard identification and risk assessment processes, as well as CMS infrastruc…
DevOps Engineer for Large Scale Compute (IT-CD-CC-2026-223-GRAE)
CERN·Geneva, GENEVA, ch
Join the team responsible for the High Throughput Compute systems at the heart of CERN's data processing! Are you a recent graduate with an interest in large-scale computing, automation, and infrastructure technologies? Would you like to develop your skills while contributing to …
Governance, Risk and Compliance Lead
CERN·Switzerland
What you'll do Within the Office of the CIO, you will advise senior management and governance bodies on data governance, architecture, cybersecurity, ICT risk and compliance, establishing the frameworks, principles and accountabilities that enable coherent and sustainable use of …
Mechanical CAD Designer (TE-MSC-SMT-2026-195-LD)
CERN·Geneva, GENEVA, ch
Introduction As a Mechanical CAD Designer in the Superconducting Magnet Technology section, you will develop three-dimensional computer-aided design (CAD) models and detailed drawings for novel superconducting magnets and associated tooling. Working closely with engineers and oth…
Software Developer (Java & Angular) (BE-GM-APC-2026-151-GRAP)
CERN·Geneva, GENEVA, ch
Drive the modernisation of CERN's Geodetic Metrology data management system, migrating legacy Oracle APEX/PL/SQL applications to a Java/Spring Boot and Angular platform, while leading the redesign of a mission-critical application for CERN's Accelerator Complex. Your responsibili…
Electromechanical Technical Engineer - Switzerland
CERN·Schweiz
What you'll do: High-temperature superconducting materials have interesting characteristics that make them suitable for future magnet applications. Come join CERN and take part in this exciting development. You will develop and implement electromechanical systems for the manufac…
High-Level Trigger Calibration Scientist (EP-CMS-TDQ-2026-150-GRAP)
CERN·Geneva, GENEVA, ch
The Compact Muon Solenoid (CMS) experiment's High-Level Trigger, as deployed during the LHC's 2009-2026 running period, reconstructs high-energy proton-proton collision events using detector conditions that often lag behind the best available calibrations. Closing that gap by del…
Electromechanical Technical Engineer - Switzerland
CERN·Switzerland
What you'll do: High-temperature superconducting materials have interesting characteristics that make them suitable for future magnet applications. Come join CERN and take part in this exciting development. You will develop and implement electromechanical systems for the manufact…
Mechanical Technician at CERN
CERN·Switzerland
What you'll do:High-temperature superconducting materials have interesting characteristics that make them suitable for future magnet applications. Come join CERN and take part in this exciting development.As a mechanical technician, you will assemble models, prototypes and associ…
Power System Physicist/Engineer for the CMS HGCAL
CERN·Switzerland
What you'll do As Power System Physicist/Engineer for the CMS High-Granularity Calorimeter (HGCAL), you will play a key role in the development, integration, testing and commissioning of the power systems for one of the most innovative particle detectors ever conceived. Working w…
rdinator for the CMS High-Granularity Calorimeter
CERN·Switzerland
What you'll do As Field Coordinator for the CMS High-Granularity Calorimeter (HGCAL), you will play a key role in coordinating and overseeing the assembly, integration, testing and commissioning of one of the most innovative particle detectors ever conceived. Working within a mul…
Electrical Works Supervisor - Switzerland
CERN·Switzerland
What you'll do: As an Electrical Works Manager within the Cabling Section, you'll play a key role in expanding, strengthening, and maintaining CERN's control and power cable installations, required for various systems within the CERN accelerators, such as alarm systems, process c…
Applied Physicist at CERN
CERN·Switzerland
What you'll do: As an Applied Physicist, you will join the ATLAS Group at CERN and be part of the team which is working on the upgrade of the muon spectrometer of the ATLAS detector. In this upgrade you will play a crucial role, leading the electronics integration in the new RPC …
Mechanical Engineer for the CMS High-Granularity Calorimeter
CERN·Switzerland
What you'll do: As a Mechanical Engineer, you will contribute to the development, procurement, assembly, testing and installation of innovative mechanical structures for the High Granularity Calorimeter (HGCAL) of the Compact Muon Solenoid experiment, working with advanced materi…
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