Your responsibilities

Are you a hands-on mechanical engineer with a passion for cutting-edge technology and precision assemblies? If so, seize this opportunity to join CERN's Experimental Physics (EP) Department, where you will contribute to the development and construction of the next generation of particle detectors.

The CERN ATLAS Team plays a leading role in building the future silicon ATLAS Inner Tracker (ITk). In particular, the CERN team focuses on the development of the Pixel Outer Barrel (OB), including the design, prototyping, and assembly of support structures, as well as the final integration and testing of the detector.

As a Mechanical Engineer in the CERN ATLAS Team, your key responsibilities will include:

• Participating in the conception, detailed design, production, testing, and installation of detector components, assembly tooling, and test infrastructure for the ITk Pixel Outer Barrel.
• Developing, documenting, and implementing procedures for the assembly, testing, and repair of detector components and sub-assemblies.
• Managing the procurement of materials, detector components, and tooling, including follow-up on acceptance and installation.
• Contributing hands-on to the production and quality control of the OB local supports and global structures, supporting both the cell loading and integration activities at CERN.

Your profile

Skills:

• Proven experience in the design of precision mechanical components and systems.
• Demonstrated experience in the use of CAD software for 3D modelling (ideally CATIA V5), and in producing 2D technical drawings in accordance with relevant ISO standards for dimensioning and tolerancing.
• Hands-on experience in the assembly and testing of prototypes.
• A "can-do" attitude, and a willingness to take part directly in the assembly and testing of unique detector components.
• A rigorous and organised approach to work, delivering high-quality results from the outset.
• Ability to work effectively as part of a team.
• A flexible approach to work, with the ability to adapt quickly to changing priorities and requirements.
• The following skills would be considered an asset, but are not essential:
• A good understanding of tracking detector mechanics.
• Practical knowledge of adhesive bonding and composite materials.
• Experience using metrology equipment.
• Spoken and written English, with a commitment to learn French.

Eligibility criteria:

• You are a national of a CERN Member or Associate Member State.
• You have a professional background in Mechanical Engineering or equivalent (or a related field) and have either:
• a Master's degree with 2 to 6 years of post-graduation professional experience;
• or a PhD with no more than 3 years of post-graduation professional experience.
• You have never had a CERN fellow or graduate contract before.

Additional Information

Job closing date: 01.07.2025 at 23:59 CEST.

Contract duration: 24 months, with a possible extension up to 36 months maximum.

Working hours: 40 hours per week

Target start date: 01-September-2025

This position involves:

• Work in Radiation Areas.
• Residence in the immediate vicinity of the Organisation's installations.
• Exposure to ionising radiation and classified as category A.

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

Job reference: EP-ADE-TK-2025-84-GRAP

Field of work: Mechanical Engineering

What we offer

• A monthly stipend ranging between 6287 and 6911 Swiss Francs per month (net of tax).
• Coverage by CERN's comprehensive health scheme (for yourself, your spouse and children), and membership of the CERN Pension Fund.
• Depending on your individual circumstances: installation grant; family, child and infant allowances; payment of travel expenses at the beginning and end of contract.
• 30 days of paid leave per year.
• On-the-job and formal training at CERN as well as in-house language courses for English and/or French.

About us

At CERN, the European Organization 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. Find out more on http://home.cern.

We are on a Quest. A Journey into discovery like no other. Bring your expertise to our unique work and develop your knowledge and skills at pace. Join world-class subject matter experts on unique projects, in a Quest for greater knowledge and deeper understanding.

Begin your CERN Quest. Take Part!

Diversity has been an integral part of CERN's mission since its foundation and is an established value of the Organization. Employing a diverse workforce is central to our success.