Mechanical Design Engineer for LHCb

What you'll do

You will join the LHCb Technical Coordination section of the LHCb group. You will be part of the LHCb design office, contributing to the CAD modelling of the LHCb detector and helping to develop LHCb digital mock-up and digital twin methodologies that will support installation planning, maintenance, and operation for the next milestones of the experiment.

Learn more

Your responsibilities

Contribute to the conceptual design and development of mechanical systems.
Collaborate with physicists, engineers, and technicians to translate conceptual requirements into practical engineering solutions.
Produce engineering documentation, technical specifications, 3D models, and manufacturing drawings.
Support the manufacturing, assembly, testing, and installation of equipment.

Still here? Let's make a quick check about

Your profile

Initial experience in designing mechanical components and assemblies using 3D CAD software.
Knowledge of CATIA V5, PDM/PLM environments, or structured engineering data management; familiarity with these tools is considered an advantage.
Exposure to the machining of parts, assembly, and testing of mechanical systems is considered an advantage.
Familiarity with 3D scanning, reverse engineering, or digital twin concepts is considered an advantage.
Your studies focused on Mechanical Engineering.

Your skills

Ability to work effectively in an international, multidisciplinary team with physicists, engineers, and technicians is mandatory.
3D CAD modelling and 2D drafting skills, preferably using CATIA V5 (or an equivalent CAD system, with a willingness to learn CATIA), are mandatory.
Good knowledge of mechanical drawing standards, dimensioning and tolerancing (ISO GPS), materials, and manufacturing processes, is mandatory.
Basic programming skills, ideally in JavaScript and/or Python, are optional.
Interest in or experience with 3D web visualisation technologies (e.g. Three.js, WebGL, and the glTF format), is optional.
Spoken and written English or French, with a commitment to learn the basics of the other language.

Ideal start date: 01/01/2027

Contract duration (in months): 24

Job flexibility: Fully Onsite

Medical hazard

Radiation worker, category A.
Exposure to electromagnetic fields under certain conditions.

Given the occupational health risks associated with this position, the selected candidate must obtain medical clearance before a contract offer is confirmed.

Employment conditions

Work in Radiation Areas.
Interventions in underground installations.

Global Benefits at CERN

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.

Let's get you ready

Be sure to meet the eligibility criteria

You are a national of a CERN Member State or Associate Member State. Currently, we cannot consider applications from Pakistani, Lithuanian, Latvian, Cypriot, Croatian and Turkish nationals, as the ceiling defined under Article II.5 of the Associate Membership Agreement has been reached.
By the application deadline, you have a maximum of 2 years of professional experience since graduation in the respective field and your highest educational qualification is either a bachelor’s or master’s degree. You must have a university degree and can’t hold a PhD.
You have never had a CERN fellow or graduate contract before.
Please pay attention to the additional criteria and requirements for this specific position and mentioned above.

You will need these documents to complete your application

Your CV (English or French)
A copy of your most relevant diploma or a certificate of achievement from your school (if you don't yet have your paper diploma)
Any document you consider relevant to your application

Your CERNDepartment

The EP department conducts research in experimental particle physics in close collaboration with and supporting the wider scientific community working at CERN. This includes designing and operating experiments, developing and constructing detectors, acquiring and analysing physics data.

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!

Ready To apply?

Be prepared with our resources and tips

All good?

Apply now Allow 15 minutes to complete your online application

Still have a doubt ? Here are the most frequently asked questions

What should I expect during my first week at CERN?

Your onboarding at CERN includes a comprehensive induction programme, which starts with an official welcome session at the beginning of each month. In addition, you will receive important information both before and after your arrival to ensure a smooth transition into your new role. This process is designed to help you get acquainted with CERN’s environment, your team, and the tools and systems you’ll be using.
How big would the team be?

The size of the team you'll be working with at CERN depends on the specific role and department. Some teams are small and highly specialized, while others are larger and more interdisciplinary. During the interview process, you'll have the opportunity to learn more about the team structure for the position you are applying for.
What is the working language at CERN?

The working languages at CERN are English and French. However, it is not always mandatory to speak both languages to work at CERN. We offer language training to help you acquiring the other language.
What support does CERN provide for relocation?

CERN does not offer direct assistance with relocation. However, depending on your role and specific criteria, you may be eligible for certain benefits such as an installation allowance and coverage of travel expenses to join CERN. These benefits are designed to help ease the transition when relocating to the Geneva area. For more information, please consult the “Salary, Benefits and Support“ page.
Do I need a visa to work at CERN?

Whether you need a visa to work at CERN depends on your nationality and the duration of your stay. CERN assists with the necessary visa and work permit processes for its employees and visitors. The specific requirements will be communicated to you during the recruitment process.
What would my salary be?

Salaries at CERN are determined by a structured scale. Salaries are based on your role, qualifications, and experience, and are not subject to negotiation. Specific details will be provided as your application progresses. For more information, please refer to the dedicated page.