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 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: