3D Integration Engineer - European Organization for Nuclear Research (Geneva)

About this position

The summary below is published by European Organization for Nuclear Research on the official vacancy notice. Our own analysis — salary realism, comparable openings, career trajectory, language profile — follows further down the page.

Key responsibilities

According to the vacancy notice, the role centres on the following duties:

• Coordinate, monitor and follow up 3D integration studies supporting the third Long Shutdown (LS3) of the CERN accelerator complex
• Collaborate with multidisciplinary teams during on-site installation and maintenance activities to identify and resolve integration issues
• Prepare and maintain technical documentation, update project information in internal IT platforms (e.g. Track It, EDMS), and develop dashboards to support project monitoring and decision-making
• Create, update and maintain 3D models using CATIA V5 to ensure accurate and reliable integration data
• Contribute to improving the quality of CAD data within the PDM/PLM environment and support robust 3D integration validation workflows
• Help develop and standardise 3D integration processes, methodologies and best practices across the Integration Office
• Verify mechanical and magnetic references in close collaboration with the Layout and Configuration Management team
• Support the organisation and reporting of Integration Committee meetings, fostering effective communication and coordination between stakeholders

Are you eligible?

Check these requirements from the notice before investing time in an application:

• Education: Bachelor's or Master's degree in Mechanical, Industrial, Systems or Integration Engineering or a related field
• Experience: Maximum of two years of professional experience since graduation in Engineering or a related field
• Languages: English (spoken…), French (commitm…)
• Key skills: 3D CAD modelling skills, preferably using CATIA V5 or an equivalent CAD software, Understanding of mechanical assemblies, installation constraints and 3D integration principles, Interest in process improvement, standardisation and engineering quality, Ability to analyse technical issues and propose practical solutions in a collaborative environment, Excellent organisational skills, with attention to detail and the ability to manage several tasks simultaneously, Organising and managing technical data using digital engineering or information management tools, Preparing clear technical documentation and presenting engineering information in a structured and accessible way, Coordinating technical activities involving multiple stakeholders and managing priorities effectively
• Eligibility: National of a CERN Member or Associate Member State. Maximum of two years of professional experience since graduation. Highest educational qualification is either a Bachelor's or Master's degree. Never had a CERN fellow or graduate contract before. Applicants without University degree are not eligible. Applicants with a PhD are not eligible. Valid driving licence required.

Contract and working arrangements

Contract duration: 24 months, with a possible extension up to 36 months maximum.

Working arrangements: Hybrid.

Hiring unit: 3D Integration Office, EN-ACE group.

Position details

Reference

EN-ACE-INT-2026-183-GRAE

Last Verified

23 July 2026

Position overview

This is the official EU Careers listing for 3D Integration Engineer at CERN based in Geneva (Other). The vacancy reference is EN-ACE-INT-2026-183-GRAE. The role falls under the Research domain.

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. Working at the core of one of CERN's most ambitious engineering programmes, you will collaborate with diverse technical experts and contribute to the successful integration of advanced systems in a highly international environment.

Your responsibilities

* Coordinate, monitor and follow up 3D integration studies supporting the third Long Shutdown (LS3) of the CERN accelerator complex. * Collaborate with multidisciplinary teams during on-site installation and maintenance activities to identify and resolve integration issues. * Prepare and maintain technical documentation, update project information in internal IT platforms (e.g. Track It, EDMS), and develop dashboards to support project monitoring and decision-making. * Create, update and maintain 3D models using CATIA V5 to ensure accurate and reliable integration data. * Contribute to improving the quality of CAD data within the PDM/PLM environment and support robust 3D integration validation workflows. * Help develop and standardise 3D integration processes, methodologies and best practices across the Integration Office. * Verify mechanical and magnetic references in close collaboration with the Layout and Configuration Management team. * Support the organisation and reporting of Integration Committee meetings, fostering effective communication and coordination between stakeholders. * Coordinate laser scanning activities with survey and scheduling teams, ensuring efficient planning, compliance with safety requirements and preparation of access authorisations. * Develop and maintain collaborative web workspaces to centralise information, facilitate knowledge sharing and strengthen communication within the Integration Office and with project stakeholders.

More information [here](https://videos.cern.ch/record/2301718).

Your profile

* Mechanical, industrial, systems or integration engineering. * Organising and managing technical data using digital engineering or information management tools. * Preparing clear technical documentation and presenting engineering information in a structured and accessible way. * Coordinating technical activities involving multiple stakeholders and managing priorities effectively. * Working with PDM/PLM environments or engineering data management systems is an advantage.

Skills

* 3D CAD modelling skills, preferably using CATIA V5 or an equivalent CAD software. * Understanding of mechanical assemblies, installation constraints and 3D integration principles. * Interest in process improvement, standardisation and engineering quality. * Ability to analyse technical issues and propose practical solutions in a collaborative environment. * Excellent organisational skills, with attention to detail and the ability to manage several tasks simultaneously. * Spoken and written English, with a commitment to learn French.

Eligibility criteria:

* You are a national of a [CERN Member or Associate Member State](https://home.cern/about/member-states). * By the application deadline, you have a maximum of two years of professional experience since graduation in Engineering (or a related field) and your highest educational qualification is either a Bachelor's or Master's degree. * You have never had a CERN fellow or graduate contract before. * Applicants without University degree are not eligible. * Applicants with a PhD are not eligible.

Job closing date: 30.07.2026 at 23:59 CEST.

Contract duration: 24 months, with a possible extension up to 36 months maximum.

Working hours: 40 hours per week

Job flexibility: Hybrid

Target start date: 01-September-2026

This position involves:

* Work in Radiation Areas. * Interventions in underground installations. * A valid driving licence.

Job reference: EN-ACE-INT-2026-183-GRAE

Field of work: Mechanical Engineering

Benchmark job: 200090 - Mechanical Engineer

Global Benefits

* A monthly stipend between 5266-5793 Swiss Francs per month (tax free) depending on your degree. * 30 days of paid leave per year plus 2 weeks annual closure. * Coverage by CERN’s comprehensive health insurance scheme (for yourself, your spouse and children), and membership of the CERN Pension Fund. * Family, child and infant monthly allowances depending on your individual circumstances. * A relocation package (installation grant and travel expenses) depending on your individual circumstances. * Possibility to extend your contract up to 36 months. * On-the-job and formal training including language classes.

Overview of CERN -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.

Every day, we face exciting new challenges and opportunities to contribute to cutting-edge research that shapes our understanding of the universe. We meet these challenges through the diverse perspectives within our teams, ensuring every contribution is valued and driving our shared sense of inclusion and purpose. Diversity is a core value of CERN since its foundation, and it remains central to our mission and continued success.

If you are ready to be part of a dynamic, inclusive community pushing the boundaries of knowledge, CERN is the place where your curiosity and skills can thrive. Be part of our mission to uncover what lies at the heart of the universe!TAKE PART!

More information about us, here:[careers.cern](https://careers.cern/)

Application timeline

This vacancy was first listed on 9 July 2026, 13 days ago.

No closing date is published in the source feed for this position. EU vacancies typically remain open for four to eight weeks; check the official vacancy notice for the cut-off date and time.

Last verified against the EU Careers feed on 23 July 2026.

Where to learn more

For headcount, mission, and other open vacancies at CERN see the CERN institution page; for the cost of living, correction coefficient, and other postings in Geneva see our Geneva location page; for related vacancies in the Research field browse our Research domain page.

New to EU careers? Our beginner's guide walks through entry routes, EPSO competitions, and what to prepare. For application logistics see application tips and EPSO competitions.