Senior Software Engineer, System Orchestration at IonQ, Oxford, England, United Kingdom. A senior-level full time position in the Compute - Engineering team, listed under software engineering.
The Role
We are looking for a highly technical Senior Software Engineer to join our System Orchestration team in System Software at Oxford Ionics. In this role, you will be responsible for building and operating the software that keeps our systems calibrated, decides what they do next and keeps the record of what they did, contributing to the team's mission of keeping our quantum computers running useful work around the clock.
The trapped-ion quantum computers we are building will control 10,000 ions within two years, and all of that has to be kept in tune - settings that drift over minutes, hours and days. Without it a computer does not stop; it quietly starts producing invalid output.
Calibration routines, scientists' experiments and customer workloads all compete for physical hardware, and our team builds the control plane that arbitrates that: it schedules and prioritises programs, hands exclusive access to one at a time and takes it back cooperatively, streams results while a program is still running, and keeps the record of everything that ran. It runs on every quantum computer in our fleet. Its job is to keep that machine busy and productive: running quantum programs rather than waiting in between, and running them in spec - on a machine still hitting the fidelity it is meant to hit.
The ambition is for that to run without a person in the loop: machines that assess their own readiness, call for the calibrations they need, and keep a full history of how they were tuned.
You'd work closely with the runtime team who own real-time control, the systems teams who build and maintain our quantum computers, and the operators and scientists who run them.
This is a hands-on engineering role and stays that way as you grow in it. You'll play an important part in shaping the services that support our work in building the world's most advanced quantum systems. Previous exposure to quantum systems is not required.
Responsibilities
- Own a service or subsystem end to end - API design, implementation, rollout and ongoing operational health.
- Build closed-loop behaviour that acts on measured system state without a person in the loop.
- Design state machines and their persistence together, so that what survives a restart is a decision rather than an accident.
- Make our services behave correctly under concurrency and partial failure.Move live systems onto new behaviour without losing data or interrupting work in flight.
- Evolve our APIs, and bring the clients that depend on them along.
- Strengthen observability, health checking and alerting.Raise the standard of the code around you through review, and bring less experienced engineers on by working alongside them.
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Senior Software Engineer, System Orchestration in Oxford employer: Entangled Future
At IonQ, we are at the forefront of quantum computing innovation, and as a Staff Supplier Quality Engineer in Oxford, you will play a crucial role in ensuring our supply chain meets the highest standards of quality and reliability. Our collaborative work culture fosters continuous learning and growth, providing you with unique opportunities to lead supplier quality initiatives while working alongside some of the brightest minds in the industry. With a commitment to employee development and a dynamic environment that encourages creativity and excellence, IonQ is an exceptional employer for those seeking meaningful and impactful careers.
