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.

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