Junior Project 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.
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 work will focus on the follow up of de-installation and installation activities in support to the HL Activity coordinators and ensuring proper update of 3D models in as built status.
Your responsibilities:
- Daily follow up of the ongoing activities in the worksites, tracking progress according to schedule and identify schedule issues and technical divergences. - Report to HL Activity coordinators and propose mitigation actions for schedule issues and technical divergences. - Actively contribute to the installation schedule updates and changes considering the field work progress. - Take part in the onsite organisation meeting, preparing material for it, providing support to the HL Activity coordinators. - Analyse the impacts of submitted Engineering Change Requests (ECR) to the installation schedule and on project budget. - Validate equipment integration and ensure the 3D models are updated accordingly. - Supporting the Work Packages for the de-installation and…
Excerpt shown; read the full notice on the official page. The structured breakdown below covers the key facts.
Key responsibilities
According to the vacancy notice, the role centres on the following duties:
- Daily follow up of ongoing activities in worksites, tracking progress according to schedule and identifying schedule issues and technical divergences
- Report to HL Activity coordinators and propose mitigation actions for schedule issues and technical divergences
- Actively contribute to installation schedule updates and changes considering field work progress
- Take part in onsite organisation meetings, preparing material and providing support to HL Activity coordinators
- Analyse impacts of Engineering Change Requests (ECR) to installation schedule and project budget
- Validate equipment integration and ensure 3D models are updated accordingly
- Support Work Packages for de-installation and installation procedure preparation and contribute to Installation Readiness Reviews
- Take part in HL Technical coordination team activities for organising meetings, editing reports, updating SharePoint pages
Are you eligible?
Check these requirements from the notice before investing time in an application:
- Education: Bachelor's or Master's degree in Mechanical/Electrical/Industrial Engineering or a related field
- Experience: Maximum two years of professional experience since graduation; experience with project control and scheduling; experience with multi-stakeholder negotiations; experience with working in the field
- Languages: English, French
- Key skills: Familiarity with MS Project, Familiarity with CATIA V5 or equivalent, Basic knowledge of 3D modelling, Spoken and written English, Spoken and written French
- Eligibility: National of a CERN Member or Associate Member State; maximum two years of professional experience since graduation; never had a CERN fellow or graduate contract before; must have a University degree; applicants with a PhD are not eligible; valid driving licence required; work in radiation areas and underground installations; stand-by duty and work during nights, Sundays and official holidays when…
Contract and working arrangements
Contract duration: 24 months, with a possible extension up to 36 months maximum.
Working arrangements: Fully Onsite.
Hiring unit: Project Office (DO) within the Accelerators and Technology (ATS) Sector.
Position details
- Reference
- ATS-DO-2026-244-GRAE
- Last Verified
- 18 October 2026
Position overview
This is the official EU Careers listing for Junior Project Engineer at CERN based in Geneva (Other). The vacancy reference is ATS-DO-2026-244-GRAE. The role falls under the Research domain.
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 work will focus on the follow up of de-installation and installation activities in support to the HL Activity coordinators and ensuring proper update of 3D models in as built status.
Your responsibilities:
- Daily follow up of the ongoing activities in the worksites, tracking progress according to schedule and identify schedule issues and technical divergences. - Report to HL Activity coordinators and propose mitigation actions for schedule issues and technical divergences. - Actively contribute to the installation schedule updates and changes considering the field work progress. - Take part in the onsite organisation meeting, preparing material for it, providing support to the HL Activity coordinators. - Analyse the impacts of submitted Engineering Change Requests (ECR) to the installation schedule and on project budget. - Validate equipment integration and ensure the 3D models are updated accordingly. - Supporting the Work Packages for the de-installation and installation procedure preparation and contributing to the Installation Readiness Reviews required for starting of major installation phases. - Take part in HL Technical coordination team activities for organising meetings, editing reports, updating SharePoint pages, etc.
Your profile:
- Experience with project control and scheduling. - Experience with multi-stakeholder negotiations. - Experience with working in the field.
Skills:
- Familiarity with MS project. - Familiarity with CATIA V5 or equivalent. - Basic knowledge of 3D modelling. - Spoken and written both English and French.
Eligibility criteria:
- You are a national of a CERN Member or Associate Member State. - By the application deadline, you have a maximum of two years of professional experience since graduation in Mechanical/Electrical/Industrial 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: 05.11.2026 at 23:59 CET.
Contract duration: 24 months, with a possible extension up to 36 months maximum.
Working hours: 40 hours per week
Job flexibility: Fully Onsite
Target start date: 01-January-2027
This position involves:
- Work in Radiation Areas. - Interventions in underground installations. - A valid driving licence. - Stand-by duty, when required by the needs of the Organization. - Work during nights, Sundays and official holidays, when required by the needs of the Organization.
Job reference: ATS-DO-2026-244-GRAE
Field of work: Facilities & Infrastructure Management
Benchmark job: 200040 - Electromechanical Engineer
Global Benefits
- A monthly net stipend of either 5266 or 5793 Swiss Francs per month 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
Application timeline
This vacancy was first listed on 15 October 2026, 3 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 18 October 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.
Career trajectory
Language profile
Application cadence
Visit the official European Organization for Nuclear Research website
Source: This job listing was sourced from the officialEU Careers portal (EPSO). First published: .