Job Description
As a Mechanical Technician for Collimator Systems, you will join the Targets, Collimators and Dumps (TCD) Section of the Sources, Targets, and Interactions (STI) Group within the Accelerator Systems (SY) Department. In this role, you will contribute your expertise to the team by overseeing the production of collimators and masks within WP5 of the High-Luminosity LHC Project.
The role involves supporting critical operational tasks, such as mechanical assemblies, components logistics, on-site assembly area management, and execution of assembly and testing procedures related to collimators and masks essential for LS3 (Long Shutdown 3).
This position offers a unique opportunity to contribute to a crucial phase of the HL-LHC Project (WP5). To succeed and grow in this role, you should possess a blend of technical skills, hands-on experience, and a proactive problem-solving approach.
Your responsibilities will include:
1. Executing collimator reception tests, quality checks, and related mechanical assembly activities, ensuring adherence to project timelines and quality standards.
2. Managing tests related to the collimator's surface mock-up:
o Handling of collimators;
o Monitoring tests with CERN teams;
o Writing test reports.
3. Assisting with the removal of collimators from the LHC machine, organizing storage, and modifying radioactive supports as needed.
4. Managing the thermal test bench of collimator jaws (located in Italy), including replacing parts and conducting maintenance.
5. Organizing and following up on transport and packing of hardware.
6. Ordering components required for surface activities of collimators at CERN.
7. Managing the production of parts and sub-assemblies for collimators when required.
8. Participating in the installation of collimators and masks in the machine, schedule permitting.
The responsibilities may vary slightly depending on project priorities and schedule progress.
More information here: https://cds.cern.ch/record/2928947
Your profile
Skills
* Knowledge of assemblies in ultra-high vacuum environments (desired)
* Operating conventional and numerical production machines (saw, lathe, milling machine) (desired)
* Experience with rapid prototyping technology
* Handling, packing, labeling
* Controlling cranes (training at CERN if required)
* Ability to work with Microsoft Office (Word, Excel, PowerPoint)
* Proficiency in spoken and written English or French, with a commitment to learn the other language.
Eligibility criteria:
* You are a national of a CERN Member or Associate Member State.
* By the application deadline, you have a maximum of two years of professional experience since graduation in Mechanics or a related field, and your highest educational qualification is a general secondary education diploma.
* You have never held a CERN fellow or graduate contract before.
* Applicants with a Bachelor's, Master's, or PhD degree are not eligible.
Additional Information
Job closing date: 29th of May at 23:59 (midnight) CEST.
Contract duration: 24 months, with a possible extension up to 36 months.
Working hours: 40 hours per week
Target start date: 01-September-2025
This position involves:
* Work in Radiation Areas.
* Interventions in underground installations.
* A valid driving license.
* Use of mobile work equipment or lifting equipment requiring a driving authorization.
Medical clearance is required before contract confirmation due to occupational health risks.
Job reference: SY-STI-TCD-2025-80-GRAE
Field of work: Mechanical Engineering
What we offer
* A monthly stipend of 4624 Swiss Francs (net of tax).
* Coverage by CERN's health scheme and pension fund.
* Additional allowances and travel expenses depending on circumstances.
* 30 days of paid leave per year.
* Training and language courses at CERN.
About us
At CERN, physicists and engineers probe the universe's fundamental structure using the world's largest scientific instruments. Discover more at http://home.cern.
Diversity is a core value at CERN, central to our success.
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