Senior Mechanical Engineer

Job Description

Job Title: Senior Mechanical Engineer. Location: Geneva, Switzerland

Responsibilities:

• Own mechanical design from prototype through industrialized product release, including CAD documentation, assembly bring-up, and validation testing.
• Develop compact, robust, cost-effective mechanical solutions for quantum systems.
• Drive thermal management through heat sinking, conduction, convection, interfaces, and material selection.
• Ensure dimensional stability, manufacturability, and compliance with design requirements;
• Perform thermal simulations to predict temperatures, gradients, and heat flows.
• Correlate simulation models with laboratory measurements and optimize designs based on test results.
• Collaborate with optical, electronic, and systems engineers to optimize interfaces and block specifications.
• Work with external suppliers to efficiently prototype and manufacture components.
• Support multiple projects as a mechanical subject-matter expert.
• Improve design practices and promote a rigorous engineering approach.

Qualifications:

• Bachelor’s or Master’s degree in Mechanical Engineering, Microtechnology, or equivalent.
• At least 5 years of relevant experience in mechanical design and product development.
• Hands-on experience designing sheet metal and/or machined parts.
• Strong experience developing thermal dissipation solutions for compact systems;
• Solid mechanical engineering foundation and experience delivering compact, industrial-grade designs.
• Knowledge of applicable standards and compliance requirements, including EMC and electrical/product safety.
• Experience taking mechanical subsystems through requirements, design, verification, and industrialization.
• Strong communication skills and ability to work independently in a multidisciplinary Agile environment.
• Fluency in English is required.
• French is considered an advantage.
• Familiarity with cryogenic systems is an advantage.

Benefits and Compensation:

• Compensation varies based on education, qualifications, experience, office location, market data, and internal team equity.
• Comprehensive medical, dental, and vision plans.
• Matching 401(k).
• Unlimited PTO and paid holidays.
• Parental and adoption leave.
• Legal insurance.
• Home technology stipend.
• Benefit participation details are provided with an employment offer.

Other Information:

• The position involves access to technology subject to U.S. export control and government contract restrictions.
• Additional immigration and citizenship information may be required for export-control compliance;
• Employment may require verification of U.S. Person status, an applicable license, or confirmation of a license exception for certain technology and government-contract work.
• IonQ conducts pre-employment background and risk screening where permitted by law.