Quantum Systems Scientist
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Quantum is now, and it's built here.
Oxford Ionics, now part of IonQ, is pioneering the next generation of quantum computing. Using our world-leading trapped-ion technology, we’re building the most powerful, accurate and reliable quantum systems to tackle problems that today’s supercomputers cannot solve.
Joining Oxford Ionics means becoming part of a global IonQ team that is transforming the future of quantum technology - faster, at scale, and with real world impact.
What to expect:
We are searching for a Quantum Systems Scientist to join our Systems team. This is a key role responsible for ensuring our quantum systems are continuously operational, scalable and robust, enabling cutting-edge experiments and development across the business.
You’ll play a central role in building tools and systems that monitor and improve uptime, troubleshoot downtime and drive technical changes to enhance system reliability. Working with complex optomechanical systems, this role will combine diagnosis of faults with systems-level thinking and collaborative problem solving across hardware and software teams.
What you’ll be responsible for:
As a Quantum Systems Scientist, you will play a critical role in ensuring the continuous operation and performance of our trapped-ion quantum systems. Your primary focus will be to maximise system uptime by enhancing diagnostic capabilities, identifying root causes of downtime and working collaboratively across engineering teams to develop robust, preventative solutions. You will be deeply involved in system-level analysis, building tools and dashboards to surface key performance indicators and helping shape the procedures and infrastructure that support our growing number of quantum systems. This is a hands-on, systems-oriented role that combines technical rigour with operational ownership.
Key responsibilities include:
- System diagnostics and monitoring - Expand and refine hardware and software diagnostics; log and visualise key parameters; implement sensors and build dashboards to enable rapid fault-finding.
- Downtime analysis and resolution - Analyse performance data to identify system bottlenecks or weak points; lead cross-functional efforts to design and implement robust engineering fixes.
- Preventative and reactive maintenance - Own and schedule maintenance plans; support and mentor technicians; debug complex system issues as they arise.
- Process and tooling improvement - Improve documentation, procedures and training for system maintenance and upgrades, including trap changes and routine operations.
- System design - Bring reliability to the core of future system designs, addressing current problems with engineering solutions.
What you’ll need:
To be successful in this role you will have a strong background in AMO Physics and a proven ability to design, build and operate complex cold-atom systems (e.g. ion traps, ultra-cold atoms, optical clocks). You will bring hands-on expertise in lab-based hardware environments, with a deep understanding of free-space optics and a track record of delivering high-performance experimental setups. You will be comfortable working collaboratively across disciplines, communicating effectively with engineers and technicians to drive improvements in system reliability and performance.
You’d be a great fit with:
- A PhD in AMO Physics or relevant field
- Background in hardware focused experimental Physics
- Strong problem solving skills and a proactive, ownership-driven approach
Desirable experience includes programming in Python or ARTIQ, familiarity with automation and monitoring of lab systems, and the potential to grow into a leadership role as the team expands.
So why us?
Be part of a team that’s shaping the future of quantum. We offer more than just a role, you’ll join a world class community of scientists, engineers and innovators working to unlock the full potential of quantum computing.
We offer a range of benefits, including opportunities to further your career alongside industry leaders, a competitive salary with IonQ stock options, an annual performance bonus, generous annual leave, flexible hybrid working, private medical and dental insurance for you and your family, and much more.
Join us and be part of the future of quantum computing.
We’re proud to be an equal opportunity employer and welcome applicants from all backgrounds.