Company Description

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.

Job Description

Introduction:

As a mechanical technician, you will support the development, manufacturing and maintenance of key components used in superconducting accelerator magnets, including busbars and interconnections for the Large Hadron Collider (LHC), as well as preparations for the upcoming upgrade activities for the LHC (Long shutdown 3). You will work hands-on in a workshop environment, contributing to production, integration and refurbishment activities for ongoing accelerator upgrades.

Functions:

  • Contribute to the construction and assembly of powering busbars for superconducting accelerator magnets, including brazing of components and installation of insulating protections. 
  • Participate in the development and construction of tooling and mock-ups for activities related to busbars and magnet interconnections. 
  • Procure components and tooling, both from the central warehouse and from external suppliers, following internal procurement processes. 
  • Contribute to the preparation of consolidation campaigns in the LHC tunnel, including drafting/updating procedures (with support from the section’s quality team) and managing the inventory of tooling and components. 
  • Intervene in the accelerator tunnel with colleagues for activities related to busbar splices and interconnections of superconducting magnets, in line with safety and quality requirements.

Qualifications

Technical certificate or general secondary education or equivalent relevant experience in the field of mechanical engineering, electromechanical engineering or a related field.

Experience:

  • Hands-on experience in mechanical manufacturing. 
  • Experience in mechanical assembly and conventional (non-CNC) machining (milling/turning); ability to read detailed 2D technical drawings. 
  • Experience developing/adapting custom tooling and mock-ups for first-of-a-kind work, while implementing procedures to ensure high QA/QC standards. 
  • Experience with procurement follow-up and inventory management (components, tooling, spare parts).
  • Asset: practical experience with superconducting magnets or similar high-precision electromechanical equipment. 
  • Asset: 3D CAD (CATIA) and mechanical drafting; ability to produce/modify 2D drawings. 
  • Asset: hands-on experience in brazing and / or soldering.
  • Asset: producing, managing and updating technical documentation.

Technical competencies:

  • Knowledge and application of joining techniques: brazing and soldering.
  • Assembly of mechanical structures and equipment.
  • Construction, test and installation of superconducting magnets and systems.
  • Knowledge and application of manufacturing methods and work preparation: including inventory and procurement follow-up of components and tooling, QA/QC and related procedures.
  • Manufacturing of mechanical parts, using conventional machining tools.

Behavioural competencies:

  • Working in Teams: working well in groups and readily fitting into a team; participating fully and taking an active role in team activities.
  • Demonstrating Accountability: taking responsibility for own actions and decisions.
  • Demonstrating Flexibility: adapting quickly and resourcefully to shifting priorities and requirements.
  • Communicating Effectively: listening actively to others and letting others speak.

Language skills:

Spoken and written English or French, with a commitment to learn the other language.

Additional Information

Eligibility and closing date:

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. 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 10.03.2026 at 23:59 CET.

Employment Conditions:

Contract type: Limited duration contract (5 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:

  • A valid driving licence.
  • Work during nights, Sundays and official holidays, when required by the needs of the Organization.
  • Shift work, when required by the needs of the Organization.
  • Stand-by duty, when required by the needs of the Organization.

Job grade: 3-4

Job reference: TE-MSC-LMF-2026-41-LD

Field of work: Mechanical Engineering

Benchmark Job Title: Mechanical Technician

Global Benefits

  • A competitive salary (tax free), increasing in line with your years of relevant experience.
  • 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, removal, travel expenses) depending on your individual circumstances.
  • Possibility to extend your contract up to 8 years + eligibility for indefinite contract tenure.

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!

More information about us, here: careers.cern

At Impactpool we do our best to provide you the most accurate info, but closing dates may be wrong on our site. Please check on the recruiting organization's page for the exact info. Candidates are responsible for complying with deadlines and are encouraged to submit applications well ahead.
Before applying, please make sure that you have read the requirements for the position and that you qualify. Applications from non-qualifying applicants will most likely be discarded by the recruiting manager.