Position overview
Mechanical Engineer for HL-LHC Beam Dump (SY-STI-TCD-2025-134-GRAP). Full-time role within CERN’s TCD (Targets, Collimators and Dumps) Section, STI group, responsible for upgrading the beam dumps for HL-LHC (WP14) and entering the early production phase.
Responsibilities
* Perform finite-element simulations for the detailed design of the beam dumps in all operational conditions and document the results in the detailed design report for the devices.
* Perform cooling simulations for the detailed implementation of the upgraded cooling system.
* Assess potential limitations for the HL dumps and propose suitable interlocks and injection inhibitors, as afforded by the proposed instrumentation package.
* Prepare procedures for the in-beam commissioning of the devices.
* Coordinate advanced material tests and perform detailed simulations to assess the limitations of the Run 3 spare dumps in case of their use in the HL era.
* Coordinate the reception of the raw materials, maintain follow-up with suppliers, document non-conformities and establish corrective actions if necessary.
* Strong knowledge of systems engineering principles.
* Strong technical understanding of mechanical engineering principles, with expertise in mechanics of materials, heat transfer, and material science.
* Experience in relevant FEA software tools, such as Ansys (or equivalent). Knowledge of LS-DYNA is a strong plus.
* Experience in redaction of technical documents (engineering reports, scientific publications, and procurement specifications).
* Effective communication and interpersonal skills to facilitate collaboration.
* Proactive problem-solving mindset with the ability to defend ideas using technical arguments.
* Autonomy in handling specific technical tasks within a team context.
* Strong organizational skills to manage own and other people's work.
* Hands-on approach and readiness to support technical activities.
* Spoken and written English, with a commitment to learn French.
* You have a professional background in Mechanical, Aerospace, Nuclear Engineering (or a related field) and have either:
o A Master's degree with 2 to 6 years of post-graduation professional experience;
o 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.
Contract and working conditions
* Contract duration: 24 months, with a possible extension up to 36 months maximum.
* Working hours: 40 hours per week.
* This position involves work in Radiation Areas, interventions in underground installations, and requires a valid driving licence.
* Exposure to ionizing radiation and classified as category A.
* Medical clearance may be required before a contract offer is confirmed.
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. The field description and project overview are provided by CERN communications. Find out more on http://home.cern.
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.
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