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Lead Electronics Engineer - Oxford

Oxford Ionics
Oxford
3 weeks ago
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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’re looking for a Lead Electronics Engineer to become the founding member of our new Electronics Engineering function, a chance to shape both the technology and the team that will power the world’s most advanced quantum computers.

In this role, you’ll take ownership of mixed-signal PCB development for our quantum systems, from low-noise analogue paths to high-speed digital subsystems (FPGAs, DACs, DDS). You’ll also establish the processes, standards and tools that will define the Electronics function, helping to grow the team in Oxford and collaborating closely across hardware and software.

Our quantum core is based on trapped-ion qubits, controlled by devices fabricated by a tier-one semiconductor partner. We manipulate the ions using precision electrical signals and laser light driven by real-time FPGA systems. Quantum states are read out by CMOS sensors and tuned lasers, with the entire system orchestrated by Xilinx FPGAs and SoCs.

This is a lab-centred role that blends hands-on technical delivery with technical leadership. You’ll be the engineer optimising today’s lab-grade systems and the architect driving tomorrow’s production-grade, data-centre-class electronics.

What you'll be responsible for

You’ll own the design, validation and delivery of the electronic systems that power our quantum computers and establish the foundation of the Electronics Engineering function.

  • Lead the end-to-end PCB and electronic module development – requirements capture, schematic design, simulation, bring-up, verification and production release.
  • Design and optimise low-noise analogue, RF (up to 1 GHz), power-distribution and mixed-signal circuits, collaborating with FPGA and software teams for seamless system integration.
  • Build and maintain component libraries, BoMs, design rules and documentation, setting best-practice standards for the function.
  • Own supplier and manufacturing partnerships, agree design rules and stack-ups, resolve build queries, and sign off first-article inspections.
  • Develop automated test fixtures and calibration routines, improving first-pass yield and supporting EMC, safety and compliance requirements.
  • Oversee system validation in the lab, addressing earth-leakage, ground loops and integration challenges in complex multi-rack systems.
  • As the founding member of the team, recruit and mentor engineers, lead design reviews, and set the technical direction to build a scalable, high-performing function.

Requirements

You’ll bring a proven track record in multi-layer PCB design and a strong grasp of mixed-signal electronics, with the confidence to take designs from concept all the way through to production in demanding industrial environments. You’ll combine deep technical expertise in analogue, RF and digital design with the practical mindset needed to debug, optimise and validate complex systems in the lab.

We’re looking for someone who’s as comfortable rolling up their sleeves with test equipment as they are planning work packages, mentoring colleagues and engaging senior stakeholders.

Key skills and experience

  • Extensive multi-layer PCB design experience, ideally using Altium, delivering complex mixed-signal boards in industry.
  • Strong expertise in analogue (low-noise DAC circuits, filters, crosstalk mitigation, power supplies) and RF circuits (up to 1 GHz: modulation, filtering, impedance matching), plus digital design (FPGA systems, high-speed serial links, SPI, I²C, JTAG, clock distribution, DDS devices).
  • Solid understanding of system-level architecture, integrating PCBs with FPGA/software teams.
  • Skilled in testing, debugging and validation, confident with oscilloscopes, VNAs, spectrum analysers and logic analysers.
  • Demonstrated experience in design-for-test, engineering best practices and working to EMC and compliance standards.

Benefits

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.

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