ATLAS Detector Installation Technician (EP-ATL-PO-2026-178-GRAE) — CERN
NewCHF 60'500 - 91'500
CERN · Geneva, GENEVA, Switzerland (GE)
- Location
- Geneva
- Contract
- full-time
- Posted
- 2 days ago
SalaryCHF 60'500 - 91'500
Role overview
The EP-ATL-PO section plays a key role in the upgrade and maintenance of the ATLAS detector at the LHC.
As a Junior Mechanical Technician, you will support experienced colleagues in mechanical installation and integration activities on the detector and its infrastructure during Long Shutdown 3 (LS3), while gaining hands-on experience in a cutting-edge experimental physics environment. of CERN
Discover a world where the impossible is made possible!
- The EP-ATL-PO section plays a key role in the upgrade and maintenance of the ATLAS detector at the LHC.
- As a Junior Mechanical Technician, you will support experienced colleagues in mechanical installation and integration activities on the detector and its infrastructure during Long Shutdown 3 (LS3), while gaining hands-on experience in a cutting-edge experimental physics environment. of CERN
- Your responsibilities:
- Participate in large-scale ATLAS detector movements in the experimental cavern and in the installation of access platforms.
- Initial hands-on experience in mechanical assembly, fitting, or maintenance.
- Ability to read and interpret mechanical drawings, blueprints, and 2D/3D CAD models.
Main responsibilities
- Your responsibilities:
- Participate in large-scale ATLAS detector movements in the experimental cavern and in the installation of access platforms.
- Support sub-detector installation activities, including handling, transport, and positioning using appropriate lifting and alignment techniques.
- Prepare and set up work areas and tooling, and provide logistical support for detector interventions.
- Read and interpret mechanical drawings, perform basic dimensional checks, and report progress to supervising engineers.
- When required, manufacture parts and tooling using conventional machining techniques, such as drilling, milling, and turning.
Key requirements
- Initial hands-on experience in mechanical assembly, fitting, or maintenance.
- Ability to read and interpret mechanical drawings, blueprints, and 2D/3D CAD models.
- Initial experience with conventional machining techniques and workshop practices.
- Basic metrology skills, including the use of calipers, gauges, and dimensional inspection tools.
- Awareness of occupational health and safety principles in workshop and industrial environments. Skills:
- Follow technical procedures, assembly instructions, and work specifications.
- Use of standard hand and power tools for mechanical operations.
- Strong teamwork and communication skills, with the ability to collaborate in an international and multidisciplinary environment.
- Rigorous, detail-oriented, and safety-conscious approach to work.
- Accurately document completed work and maintain high quality standards while following technical procedures and safety requirements.
- Spoken and written English or French, with a commitment to learn the basics of the other language. Eligibility criteria:
- You are a national of a CERN Member or Associate Member State .
Application process
- By the application deadline, you have a maximum of two years of professional experience since graduation in Mechanical Engineering or equivalent (or a related field) and your highest educational qualification is a general secondary education diploma .
- You have never had a CERN fellow or graduate contract before.
- Applicants with a Bachelor's, Master's or PhD degree are not eligible.
- Job closing date: 23.07.2026 at 23:59 CEST.
- Contract duration: 24 months, with a possible extension up to 36 months maximum. Working hours: 40 hours per week Job flexibility: Fully Onsite Target start date: 01-November-2026 This position involves:
- Work in Radiation Areas.
- Interventions in underground installations. A valid driving licence.
Company and context
- Work during nights, Sundays and official holidays, when required by the needs of the Organization.
- Exposure to risk of falling from heights during scaffolding assembly and dismantling operations.
- 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-ATL-PO-2026-178-GRAE Field of work: Mechanical Engineering Benchmark job: 300090 Mechanical Technician Global Benefits A monthly stipend of 4687 Swiss Francs per month (tax free).
- 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.
- At CERN, the European Organization for Nuclear Research, we are pushing the frontiers of science and technology.
Additional details
- As a Junior Mechanical Technician, you will support experienced colleagues in mechanical installation and integration activities on the detector and its infrastructure during Long Shutdown 3 (LS3), while gaining hands-on experience in a cutting-edge experimental physics environment.
- Awareness of occupational health and safety principles in workshop and industrial environments.
- Spoken and written English or French, with a commitment to learn the basics of the other language. Eligibility criteria:
- Contract duration: 24 months, with a possible extension up to 36 months maximum. Working hours: 40 hours per week Job flexibility: Fully Onsite Target start date: 01-November-2026 This position involves:
- Interventions in underground installations. A valid driving licence.
- 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-ATL-PO-2026-178-GRAE Field of work: Mechanical Engineering Benchmark job: 300090 Mechanical Technician A monthly stipend of 4687 Swiss Francs per month (tax free).
Notes and original content
- Your profile:
- Spoken and written English or French, with a commitment to learn the basics of the other language.
- Eligibility criteria:
- Contract duration: 24 months, with a possible extension up to 36 months maximum.
- Working hours: 40 hours per week
- Job flexibility: Fully Onsite
- Target start date: 01-November-2026
- This position involves:
- Interventions in underground installations.
- A valid driving licence.
