Senior Mechanical Engineer

About the role

<div class="content-intro"><p><strong>About IonQ:&nbsp;</strong><strong><br></strong></p> <p><u><a href="https://cts.businesswire.com/ct/CT?id=smartlink&amp;url=https%3A%2F%2Fionq.com%2F&amp;esheet=54451094&amp;newsitemid=20260316477473&amp;lan=en-US&amp;anchor=IonQ%2C+Inc&amp;index=7&amp;md5=0818ffbedc6dbad8c4d1611ac94c2a0f" target="_blank">IonQ, Inc</a></u>. [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 <u><a href="https://cts.businesswire.com/ct/CT?id=smartlink&amp;url=https%3A%2F%2Fionq.com%2Fnews%2Fionq-speeds-quantum-accelerated-drug-development-application-with&amp;esheet=54451094&amp;newsitemid=20260316477473&amp;lan=en-US&amp;anchor=Amazon+Web+Services%2C&amp;index=8&amp;md5=a7f94ee9b71a392dca3cd6c413722e51" target="_blank">Amazon Web Services, </a></u><u><a href="https://cts.businesswire.com/ct/CT?id=smartlink&amp;url=https%3A%2F%2Fionq.com%2Fnews%2Fionq-speeds-quantum-accelerated-drug-development-application-with&amp;esheet=54451094&amp;newsitemid=20260316477473&amp;lan=en-US&amp;anchor=and&amp;index=9&amp;md5=2bed627b388878763f41ffe0e4edb16c" target="_blank">and </a></u><u><a href="https://cts.businesswire.com/ct/CT?id=smartlink&amp;url=https%3A%2F%2Fionq.com%2Fnews%2Fionq-speeds-quantum-accelerated-drug-development-application-with&amp;esheet=54451094&amp;newsitemid=20260316477473&amp;lan=en-US&amp;anchor=AstraZeneca&amp;index=10&amp;md5=757c1f2c2ec94cf3982700106122164f" target="_blank">AstraZeneca</a></u> achieve 20x performance results and accelerate innovation in drug discovery, materials science, financial modeling, logistics, cybersecurity, and defense. In 2025, the company achieved 99.99% two-qubit gate fidelity, <u><a href="https://cts.businesswire.com/ct/CT?id=smartlink&amp;url=https%3A%2F%2Fionq.com%2Fnews%2Fionq-achieves-landmark-result-setting-new-world-record-in-quantum-computing&amp;esheet=54451094&amp;newsitemid=20260316477473&amp;lan=en-US&amp;anchor=setting+a+world+record+in+quantum+computing+performance&amp;index=11&amp;md5=32e9cb88afbd439026a352666cc72c91" target="_blank">setting a world record in quantum computing performance</a></u>.<br><br>Headquartered in College Park, Maryland, IonQ has operations in California, Colorado, Massachusetts, Tennessee, Washington, Italy, South Korea, Sweden, Switzerland, Canada, and the United Kingdom. Our quantum computing services are available through all major cloud providers, while we also meet the needs of networking and sensing customers across land, sea, air, and space. IonQ is making quantum platforms more accessible and impactful than ever before. &nbsp;</p></div><p><strong>What to Expect</strong></p> <div> <p>We are seeking a <strong>Senior Mechanical Engineer</strong> to join our R&amp;D team in Geneva. In this hands-on role, you will design, validate, and continuously improve mechanical enclosures and subsystems that integrate optical and electronic components for our quantum products.</p> <p>You will take ownership of mechanical solutions from early prototyping through to industrialized product release, with a strong focus on delivering compact, robust, and cost-effective designs. Your work will ensure compliance with dimensional, thermal, and manufacturability requirements, including for highly demanding applications such as cryogenic systems.</p> </div> <p><strong>What You'll be Doing</strong></p> <p>You will be responsible for the mechanical development of cutting-edge quantum systems, translating requirements into detailed designs and verified assemblies. This includes 3D modelling and documentation, engineering calculations and simulations, and hands-on testing to validate thermal dissipation and mechanical performance. You will collaborate closely with optic

Skills