Mechanical Designer (EN-MME-EDS-2025-241-LD)
* Contract
At CERN, the European Organisation for Nuclear Research, physicists and engineers are probing the fundamental structure of the universe. Using the world's largest and most complex scientific instruments, they study the basic constituents of matter - fundamental particles that are made to collide together at close to the speed of light. The process gives physicists clues about how particles interact, and provides insights into the fundamental laws of nature.
Introduction
Join a multidisciplinary project team designing,fabricatingand testing a new generation of components for the High-Luminosity Large Hadron Collider (HL-LHC).
Be in charge ofthe design of the new HL-LHC cryogenic distribution lines (QXL), relying on computer-aided design (CAD).
Structural and thermomechanical studies, design of pressure equipment, cryogenics, ultra-high vacuum technology, sustainable design and manufacturing, safety, reliability, product lifecycle management are just a few of the keywords related to this position.
* Technical management of design office jobs closely collaborating with a team of mechanical engineers, designers and draftsmen, in particular for the Cryogenic Distribution Lines for the HL-LHC project.
* Analysis of design requirements based on functional specifications or other relevant information.
* Execution of design studies of mechanical assemblies, components, tooling, equipment integration and layout.
* Creation of detailed 3D models and technical drawings (including specification, detail, manufacturing, assembly, installation, as-built and verification drawings), in consultation with CERN manufacturing and materials experts and in compliance with relevant design and drafting standards.
* Preparation of the project documentation according to the Design Office quality assurance procedures.
* Follow-up, in close interaction with other teams and services, of the manufacturing, assembling and installation of mechanical components.
* Preparation of presentations, technical reports, engineering specifications and calculation notes.
Bachelor's degree or equivalent relevant experience in the field of Mechanical Engineering or a related field.
Experience:
* Proven experience as a designer in a mechanical design office, performing mechanical dimensioning and using standard mechanical analysis tools (both analytical and numerical).
* Proven experience with computer-aided design.
* Experience in the production of technical drawings of mechanical components and systems, ideally according to ISO Geometrical Product Specifications (GPS) standards for drawing dimensioning and tolerancing.
* Experience with the CATIA computer-aided-design software suite would be an asset.
* Design and construction of machines: with ability to analyse and solve mechanical engineering problems using strength of materials and materials selection principles.
* Design and analysis of mechanical structures: with basic knowledge of numerical and analytical calculation methods.
* Production of 2D drawings and 3D models: in compliance with relevant standards for drawing dimensioning and tolerancing, in particular ISO Geometrical Product Specifications (GPS).
* Assembly of mechanical structures and equipment: knowledge of manufacturing methods and processes such as machining, forming, joining (e.g. welding, brazing).
* Configuration and use of information management systems: with the ability to effectively use Computer Aided Design (CAD) and Product Lifecycle Management (PLM) tools.
* Managing Self: working well autonomously; taking on activities and tasks without prompting.
* Building Relationships: showing courtesy and consideration in dealings with others.
* Working in Teams: cooperating constructively with others in the pursuit of team goals; balancing personal goals with team goals.
* Solving Problems: identifying, defining and assessing problems, taking action to address them.
* Demonstrating Flexibility: adapting quickly and resourcefully to shifting priorities and requirements.
Spoken and written English, with a commitment to learn French.
Eligibility and closing date:
Diversity has been an integral part of CERN's mission since its foundation and is an established value of the Organisation. Employing a diverse workforce is central to our success. We welcome applications from all Member States and Associate Member States .
This vacancy will be filled as soon as possible, and applications should normally reach us no later than 09.12.2025 at 23:59 CET.
Employment Conditions
Number of positions available: 2
Contract type: Limited duration contract (5 years & 3 years). Subject to certain conditions, holders of limited-duration contracts may apply for an indefinite position.
Working Hours: 40 hours per week
Job Flexibility: Fully Onsite
This position involves:
* Work in Radiation Areas.
* A valid driving licence.
* Work during nights, Sundays and official holidays, when required by the needs of the Organisation.
* Shift work, when required by the needs of the Organisation.
Job grade: 4-5
Job reference: EN-MME-EDS-2025-241-LD
Field of work: Mechanical Engineering
Benchmark Job Title: Mechanical Technical Engineer
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