Mechanical Engineer for the CMS High-Granularity Calorimeter (EP-CMS-EC-2026-190-LD) — CERN
- Location
- Genève
- Contract
- full-time
- Posted
- 4 days ago
Role overview
Introduction
As a Mechanical Engineer, you will contribute to the development, procurement, assembly, testing and installation of innovative mechanical structures for the High Granularity Calorimeter (HGCAL) of the Compact Muon Solenoid experiment , working with advanced materials and challenging structural and thermal requirements.
You will help oversee the surface assembly and testing of the 250-tonne detector, including its CO ? cooling, dry gas, cabling and fibre services, as well as its installation and commissioning 100 metres underground.
- Introduction:
- As a Mechanical Engineer, you will contribute to the development, procurement, assembly, testing and installation of innovative mechanical structures for the High Granularity Calorimeter (HGCAL) of the Compact Muon Solenoid experiment , working with advanced materials and challenging structural and thermal requirements.
Application process
- Working in a multinational, multidisciplinary team, you will apply your expertise in structural and thermal calculations, finite element analysis and 3D CAD. Functions:
- Knowledge and application of mechanical measurement techniques: including quality control methods.
- Assembly and integration of detectors: capability to develop and validate manufacturing and installation methods.
- Production of 2D drawings and 3D models: proficiency in Catia V5 or equivalent 3D modelling software, good knowledge of drawing annotations.
- Knowledge and application of numerical modelling applied to mechanics.
- Proficiency in ANSYS would be a strong asset.
- Basic understanding of process engineering systems (i.e. cooling plants) would be an asset. Behavioural competencies:
- Managing Self: working well autonomously; taking on activities and tasks without prompting.
Company and context
- 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.
- Work during nights, Sundays and official holidays, when required by the needs of the Organization. Job grade: 6-7 Job reference: EP-CMS-EC-2026-190-LD Field of work: Mechanical Engineering Benchmark Job Title: Mechanical Engineer 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.
- At CERN, the European Organization for Nuclear Research, we are pushing the frontiers of science and technology.
Additional details
- Working in a multinational, multidisciplinary team, you will apply your expertise in structural and thermal calculations, finite element analysis and 3D CAD.
- Master's Degree or equivalent relevant experience in the field of Mechanical Engineering or a related field.
- Ability to work successfully and efficiently within multinational, multicultural teams of engineers, scientists and technicians would be an advantage. Technical competencies:
- Assembly of mechanical structures and equipment: knowledge of usual manufacturing methods (milling, turning, etc.), assembly methods (bolted, welding, etc.).
- Basic understanding of process engineering systems (i.e. cooling plants) would be an asset. Behavioural competencies:
- Demonstrating Flexibility: adapting quickly and resourcefully to shifting priorities and requirements.
- Spoken and written English, with a commitment to learn French. Eligibility and closing date:
- This vacancy will be filled as soon as possible, and applications should normally reach us no later than 05.10.2026 at 23:59 CEST. Employment Conditions:
- 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:
- Interventions in underground installations. A valid driving licence.
Notes and original content
- Experience:
- Ability to work successfully and efficiently within multinational, multicultural teams of engineers, scientists and technicians would be an advantage.
- Technical competencies:
- Basic understanding of process engineering systems (i.e. cooling plants) would be an asset.
- Behavioural competencies:
- Language skills:
- Spoken and written English, with a commitment to learn French.
- Eligibility and closing date:
- This vacancy will be filled as soon as possible, and applications should normally reach us no later than 05.10.2026 at 23:59 CEST.
- Employment Conditions:
Questions about this listing
What salary does CERN offer for this role?
CERN lists CHF 71'000 - 107'500 gross per year for this position in Genève. This is the salary published in the original listing (or, when the employer omits a figure, a realistic estimate for the role and sector) — the calculator on this site converts it to your actual net take-home once cross-border tax and social contributions are applied.
Is this a full-time role, and what type of contract does CERN offer?
This listing is a full-time position. The contract type shown here comes directly from the employer's original posting; always confirm exact hours, notice period and probation length with CERN during the application process, since these details can vary by role even within the same contract category.
Do I need a cross-border work permit for a role in Geneva?
EU/EFTA residents living in the border zone of the country adjoining Canton Geneva can apply for a G permit; the Swiss employer files it with that canton's migration office after the contract is signed. Border-zone rules and processing times vary by neighbouring country and canton, so confirm the specifics with Geneva's cantonal migration office or with HR during the application.
How do I apply for this position at CERN?
Use the "Apply now" button on this page — it links directly to CERN's original listing at jobs.smartrecruiters.com, so your application goes straight to the employer's own applicant-tracking system. Frontaliere Ticino does not collect or forward applications itself.
