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Early Career Professionals - Technical Field – Spontaneous Applications
Summary:
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 yourEmployment Type: Full-time
Experience Level: Entry Level
Mechanical Engineer (TE-MSC-CMI-2026-9-GRAP)
Summary:
Are you a mechanical engineer eager to contribute to cutting-edge scientific infrastructure? Join CERN's High-Luminosity LHC project and work on the mechanical design and integration of new superconducting transfer lines. You will be part of an international team preparing complex cryogenic systemsEmployment Type: Full-time
Experience Level: Entry Level
Procurement Officer for Civil Engineering and Construction (IPT-PI-CE-2026-4-LD)
Summary:
Introduction Are you an experienced Procurement Officer looking for an exciting opportunity in a high-tech, international environment? If so, we invite you to take part in the activities related to CERN's procurement of supplies and contribute to our mission! You will join the Procurement and IndustEmployment Type: Contract
Experience Level: Not Applicable
Applied Physicist for Particle-Flow Reconstruction (EP-CMG-DS-2026-8-GRAP)
Summary:
In this role, you will contribute to the development of machine learning-based Particle-Flow reconstruction for the CMS experiment, integrating advanced algorithms into the High Level Trigger as part of the Next Generation Trigger project, where timing constraints and real-time performance are critiEmployment Type: Full-time
Experience Level: Entry Level
Monitoring Service Operations Engineer (IT-DA-ASM-2025-285-GRAE)
Summary:
The CERN IT Monitoring infrastructure provides monitoring services for the CERN Datacenter and the WLCG and CERN experimental communities. Our infrastructure and services process over 100 thousand log messages per second and expose over 160 million active time series and over 200 billion stored docuEmployment Type: Full-time
Experience Level: Entry Level
Research Fellowship (Experimental Physics)
Summary:
What you'll do You will join one of CERN’s experimental physics groups, if selected for this Research Fellowship, to develop and lead your own research programme at the frontier of particle physics. You will work in a highly collaborative and international environment, analysing data, contributing tEmployment Type: Contract
Experience Level: Mid-Senior Level
Corresponding Associateship (Experimental Physics)
Summary:
What you'll do You help keep abreast of developments in particle physics and related fields through scientific activities carried out within the CERN scientific environment. During your stay, you are on leave of absence from your home institute, pursue research or teaching-related scientific activitEmployment Type: Full-time
Experience Level: Mid-Senior Level
Tags: Engineering Research
Scientific Associateship (Experimental Physics)
Summary:
What you'll do You participate in CERN’s scientific programmes as an established and experienced scientist with an existing professional relationship with the Organization. You make use of CERN’s research facilities to contribute to activities covering experimental and theoretical particle physics,Employment Type: Full-time
Experience Level: Mid-Senior Level
Tags: Engineering Research
Mechanical Safety Engineer (HSE-OHS-PE-2025-270-GRAE)
Summary:
Are you knowledgeable in mechanical design and construction? Do you want to contribute to a unique and challenging research infrastructure? Then your Origin starts here. Deepen your knowledge and expertise faster than anywhere else on earth. Take Part! CERN's Process Engineering and General Safety SEmployment Type: Full-time
Experience Level: Entry Level
Quality and Production Engineer (ATS-DO-2026-7-GRAP)
Summary:
You will join the High Luminosity Large Hadron Collider ( HL-LHC ) Project Office within the dedicated Procurement, Baseline Documentation, Quality, and Risk team. The team's focus is to ensure the installation and endorsement of strict quality assurance throughout the HL-LHC project and the preparaEmployment Type: Full-time
Experience Level: Entry Level
Tags: Engineering Research
Fire Officer (HSE-FRS-2026-3-LD)
Summary:
Introduction You will serve as a hands-on Fire Officer within CERN’s Fire and Rescue Service, combining operational command on shift with managerial responsibilities in a complex, high-risk, international environment. Your primary responsibility is to lead and coordinate emergency response operationEmployment Type: Contract
Experience Level: Not Applicable
Technician for Water Treatment Systems (EN-CV-WMC-2025-211-LD)
Summary:
Introduction The Engineering Department (EN) pushes forward the limits of technology so that physicists can carry out their research. Within the cooling and ventilation (CV) group of the EN department, you will join the Water Management and Consolidation Section, which is in charge of the operationEmployment Type: Contract
Experience Level: Not Applicable
Applied Physicist for Particle-Flow Reconstruction (EP-CMG-DS-2026-8-GRAP)
Summary:
In this role, you will contribute to the development of machine learning-based Particle-Flow reconstruction for the CMS experiment, integrating advanced algorithms into the High Level Trigger as part of the Next Generation Trigger project, where timing constraints and real-time performance are critiEmployment Type: Full-time
Experience Level: Entry Level
DevOps Engineer (IT-CA-OSI-2026-2-LD)
Summary:
Introduction: You will build, deploy, and maintain the infrastructure supporting the Open Research Europe publishing platform based on Open Journal System (OJS). This includes managing Kubernetes/OpenShift deployments, developing integrations, and ensuring secure, reliable, and scalable operations oEmployment Type: Contract
Experience Level: Not Applicable
Digital IC Design & Validation Engineer (EP-ESE-ME-2025-244-GRAP)
Summary:
Join CERN as a Digital IC Design & Validation Engineer, and help shape the future of Monolithic Active Pixel Sensors for particle detectors. In this role, you will contribute to the design, verification, and lab-based validation of complex digital circuits, working alongside a multidisciplinary teamEmployment Type: Full-time
Experience Level: Entry Level
Tags: Engineering Research
Cryogenic Systems Engineer (EP-ADO-SO-2026-1-GRAP)
Summary:
Your responsibilities In this role you will engage in the development of a cryogenic cooling loop for a superconducting system, including magnet and current leads. This includes participating in the magnet and leads development fitting the cooling requirements. Responsibilities: Design and operate cEmployment Type: Full-time
Experience Level: Entry Level
Liaison Officer for Local Community Engagement (IR-ECO-CE-2025-247-LD)
Summary:
Introduction: Are you passionate about building strong and inclusive relationships with local communities and civil society, fostering dialogue in support of science? Do you thrive in dynamic environments where you can contribute to research projects with national and international impact? CERN is uEmployment Type: Contract
Experience Level: Not Applicable
Technical Students for Next Generation Trigger Project 2026
Summary:
What you'll do In the coming upgrade to the Trigger system of the CMS Experiment many machine learning algorithms are being developed which will use low-level detector information to make decisions on whether to keep data or not. These algorithms will be exposed to a dynamic inference environment thEmployment Type: Full-time
Experience Level: Entry Level
Cryogenic Systems Engineer (EP-ADO-SO-2026-1-GRAP)
Summary:
Your responsibilities In this role you will engage in the development of a cryogenic cooling loop for a superconducting system, including magnet and current leads. This includes participating in the magnet and leads development fitting the cooling requirements. Responsibilities: Design and operate cEmployment Type: Full-time
Experience Level: Entry Level
Robotics Engineer (BE-CEM-MRO-2025-199-GRAP)
Summary:
Are you a motivated and hands-on Robotics Engineer eager to support the robotic maintenance and inspection of CERN's experimental facilities? Robotics enables safe, remote interventions in challenging environments. You will contribute to developing and optimising perception systems, integrating sensEmployment Type: Full-time
Experience Level: Entry Level
Digital IC Design Engineer (EP-ESE-ME-2025-225-GRAP)
Summary:
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 taEmployment Type: Full-time
Experience Level: Entry Level
Tags: Engineering Research
Fibre Optic Site Engineer (EN-EL-FO-2025-208-GRAP)
Summary:
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 soEmployment Type: Full-time
Experience Level: Entry Level