Mechanical Designer (EN-MME-EDS-2025-241-LD)

Job Description Introduction Join a multidisciplinary project team designing, fabricating and testing a new generation of components for the High-Luminosity Large Hadron Collider (HL-LHC). Be responsible for the design of the new HL-LHC cryogenic distribution lines (QXL), utilizing computer-aided design (CAD). Key areas include structural and thermomechanical studies, pressure equipment design, cryogenics, ultra-high vacuum technology, sustainable design and manufacturing, safety, reliability, and product lifecycle management. Functions Technical management of design office tasks in close collaboration with a team of mechanical engineers, designers, and draftsmen, specifically for the Cryogenic Distribution Lines of the HL-LHC project: - Analyze design requirements based on functional specifications - Execute design studies of mechanical assemblies, components, tooling, equipment integration, and layout - Create detailed 3D models and technical drawings in consultation with CERN manufacturing and materials experts - Prepare project documentation according to Design Office quality assurance procedures - Follow up on manufacturing, assembly, and installation of mechanical components - Prepare presentations, technical reports, engineering specifications, and calculation notes Qualifications Education: - Bachelor's degree or equivalent relevant experience in Mechanical Engineering or related field Experience: - Proven experience as a mechanical design office designer - Proficiency in mechanical dimensioning and standard mechanical analysis tools - Expertise in computer-aided design - Experience producing technical drawings of mechanical components - CATIA CAD software experience preferred Technical Competencies: - Machine design and construction - Mechanical structure design and analysis - 2D and 3D model production - Mechanical structure and equipment assembly - Proficiency in CAD and Product Lifecycle Management (PLM) tools Behavioral Competencies: - Self-management - Relationship building - Teamwork - Problem-solving - Adaptability Language Skills: - Fluent spoken and written English - Commitment to learn French Additional Information Eligibility and Closing Date: - Open to applicants from CERN Member and Associate Member States - Application deadline: 09.12.2025 at 23:59 CET Employment Conditions: - Positions available: 2 - Contract: Limited duration (5 and 3 years) - Working hours: 40 hours per week - Location: Fully onsite - Additional requirements: Radiation area work, valid driving license, potential night/weekend/shift work - Job grade: 4-5 - Job reference: EN-MME-EDS-2025-241-LD - Field: Mechanical Engineering - Benchmark title: Mechanical Technical Engineer