Europe Arbeitnow ·
full-timeSenior Silicon Validation Engineer
Ionq · Oxford
About IonQ: 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 Web Services, and AstraZeneca 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, setting a world record in quantum computing performance . 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. Location: Oxford, England, UK Working pattern: Hybrid Role: We are looking for a Senior Silicon Validation Engineer to join our Cryo-CMOS IC team at IonQ Oxford. You will lead the validation and characterisation of analogue and mixed-signal ASICs for our trapped-ion quantum processors, from test planning and platform development through first-silicon bring-up, debug and system integration. This is a hands-on technical role. You will shape our validation architecture, build reusable hardware and software, and provide the evidence needed to make confident silicon acceptance decisions. The work includes room-temperature silicon validation and silicon characterisation at cryogenic temperatures (around 4 kelvin), on packaged parts, chip-on-board assemblies and bare die on a cryogenic probe station. Responsibilities: You will own validation delivery across chip and system interfaces, working closely with analogue and digital design, verification, modelling, firmware and systems engineers. You will turn requirements into measurable tests, prepare platforms before silicon arrives and resolve failures across the chip, board and software. As a Senior engineer, you will set technical standards, guide other engineers and improve coverage, repeatability and test efficiency across successive ASIC generations. Key responsibilities include: <ul&
| Role | Senior Silicon Validation Engineer |
|---|---|
| Company | Ionq |
| Location | Oxford |
| Type | full-time |
| Compensation | Not disclosed |
| Deadline | Rolling |
Typical process for this type of role
A general guide — the exact steps for this specific listing may vary; check the original posting for details.
- 1ApplicationSubmit your resume through the apply link.
- 2ScreeningRecruiter reviews your background against the role.
- 3AssessmentA technical test, assignment, or coding round, depending on the role.
- 4Interview(s)One or more rounds with the hiring team.
- 5OfferOffer letter with compensation and start date.
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