senior mechanical engineer Jobs in Genf

IonQ, Inc. [NYSE: IONQ] is the world’s leading quantum platform and merchant supplier - delivering integrated quantum solutions across computing, networking, sensing, and security. IonQ’s newest generation of quantum computers, the IonQ Tempo, is the latest in a line of cutting‑edge systems that have been helping customers and partners including Amazon...

IonQ, Inc. in Geneva seeks a Senior Mechanical Engineer to design, validate, and improve mechanical enclosures and subsystems that integrate optical and electronic components for our quantum products.You will own mechanical solutions from prototype through industrial release, delivering compact, robust, and cost‑effective designs that meet dimensional,...

With over 140 years of Swiss engineering heritage, Sécheron Hasler Group is a global leader in high-power electrical and electronic equipment. Our solutions power railways, renewable energy, DC and AC networks, and industrial systems worldwide trusted for their precision, reliability, and innovation. Safety meets innovation in our Electrical Safety...

Sécheron SA in Geneva is seeking a dynamic Mechanical R&D Engineer to design safety-critical electro-mechanical products, including upgrades to meet customer requirements, and to contribute across the full product lifecycle.You will work in a cross-functional, international environment, using advanced engineering tools, with English as the primary language...

Organizational contextThis position is within the UNECE Sustainable Transport Division’s Vehicle Regulations, Road Traffic Safety and Transport Innovations Section in Geneva. The role reports directly to the P-5 Chief of the Section and indirectly to the D-1 Director of the Division, contributing to international vehicle safety standards and...

Sécheron Hasler Group, a Swiss leader in railway technology, is seeking a Senior R&D Mechanical Engineer for our Geneva office. You will design for manufacturing with robust, cost-efficient solutions and convert advanced concepts into practical designs within a cross-functional team.You will tackle multi-physics challenges, mentor colleagues on robust...

Sécheron Hasler Group continues the Swiss tradition of over 140 years in the field of railway technology. We are a leading global supplier of electrical and electronic safety components and solutions and traction power systems for the railway industry and also provide solutions for renewable energy, DC grid, and other industrial systems. The name Sécheron...

In this role you will play a critical role in the design, construction, operation, and maintenance of beam-intercepting devices essential to our accelerator complex. As a dedicated and skilled production engineer, you will work within a multidisciplinary team to develop, assemble, install, and maintain these precision mechanical systems in challenging...

You will join a team of physicists and engineers working on the development of novel detector concepts for the FCC-ee physics program. You will be the main developer of an electromagnetic calorimeter design based on an innovative technology developed by collaborating institutes.Be sure to meet the eligibility criteriaBy the application deadline, you have a...

Sécheron SA in Geneva seeks an experienced Electro‑Mechanical R&D Engineer to design for manufacturing and drive robust, cost-efficient solutions. You will transform advanced concepts into practical designs and coach teams across departments while supporting existing products with multi-physical insight.Ideal candidates have a Master/PhD in mechanical...

We are seeking an experienced Electro-Mechanical R&D Engineer for our Geneva office to design robust, manufacturable solutions and to transform advanced concepts into practical designs. The role involves coaching on robust design, supporting existing products, and working within a multi-department team to handle complex multi-physical systems.Candidates...

Sécheron Hasler Group continues the Swiss tradition of over 140 years in the field of railway technology. We are a leading global supplier of electrical and electronic safety components and solutions and traction power systems for the railway industry and also provide solutions for renewable energy, DC grid, and other industrial systems. The name Sécheron...

Mechanical Engineer for Tristron Project Datum: 3 februari, 2026 Tid: 11:59 Placering: CERN Mer information Aproject is ongoing at CERN to increase the efficiency of RF power production, designing and prototyping a tristron (a hybrid between triode and klystron), a gridded tube with additional penultimate cavity that boosts the RF power production efficiency...

With over 140 years of Swiss engineering heritage, Sécheron Hasler Group is a global leader in high-power electrical and electronic equipment. Our solutions power railways, renewable energy, DC and AC networks, and industrial systems worldwide trusted for their precision, reliability, and innovation. Safety meets innovation in our Electrical Safety...

You will join the LHCb Technical Coordination section of the LHCb group. You will be part of the LHCb design office, contributing to the CAD modelling of the LHCb detector and helping to develop LHCb digital mock-up and digital twin methodologies that will support installation planning, maintenance, and operation for the next milestones of the...

Sécheron SA in Geneva seeks an experienced Electro-Mechanical R&D Engineer to design robust, manufacturable solutions for railway power systems and related technologies. You will convert advanced concepts into practical designs, coach others, and work within a multi-department team to support active products.Qualifications include a Master/PhD in Mechanical...

CERN seeks a Mechanical Engineer to contribute to the development, assembly, testing and installation of the High Granularity Calorimeter (HGCAL) for the CMS experiment. You will oversee surface assembly, cooling, cabling and services, working with a multinational team of engineers and technicians.Lead in structural and thermal calculations, 3D CAD modeling...

The Mechanical and Materials Engineering (EN-MME) group, within the Engineering Department (EN), is seeking a Mechanical Engineer to contribute to the mechanical design, mechanical and thermo-mechanical simulation, and optimisation of CO2 cooling transfer lines as part of the CMS detector upgrade at CERN.Be sure to meet the eligibility criteriaYou are a...

Join CERN's Vacuum, Surfaces and Coatings Group and contribute to engineering projects supporting the Large Hadron Collider (LHC) experiments.As a Mechanical Engineer in the Experimental Vacuum team, you will work on the design, development, production and testing of ultra-high vacuum equipment around the ATLAS, ALICE, CMS and LHCb experiments.You will take...

Mechanical Engineer in the Future Projects teamPlacering: CERNMer informationAs a Mechanical Engineer, you will join the multidisciplinary Future Projects team working on R&D for the alignment of Future Circular Collider (FCC) components. You will develop mechanical and mechatronic adjustment and support systems requiring high vibration stability and...