Quantum Computing Jobs

Photonics Technical Lead

The role involves leading the development and execution of integrated photonics technologies for quantum applications, including photonic integrated circuits, laser systems, and subsystems. The technical lead will oversee project delivery, mentor a team, and collaborate across global teams and external partners. Key activities include design, fabrication, testing, and commercialisation of photonics solutions within a quantum technology ecosystem.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Senior AMO Physicist - Inertial Sensing

The role involves developing atomic system designs for inertial sensing applications using atom-based quantum technologies. You will perform modelling, simulations, and analytical calculations, while integrating complex opto-mechanical systems, electronics, and software into quantum devices. The position requires close collaboration with physicists and engineers, conducting laboratory work from setup to system demonstration, and contributing to technical documentation, proposals, and publications.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Staff Software Engineer, Non-Realtime Controllers

Design and develop software for non-realtime control systems that manage supporting hardware in quantum computers, including cryogenics, vacuum systems, and sensors. Work hands-on with real quantum hardware in a lab environment, diagnosing deep technical issues, improving system reliability, and building shared frameworks and tooling. Collaborate closely with quantum scientists, systems engineers, and software teams to ensure stable, observable, and scalable operations across a growing fleet of quantum systems.

IonQ Oxford, United Kingdom

Senior Electronics Engineer

This role involves diagnosing and resolving electronics and control hardware issues in trapped-ion quantum computers, from root cause analysis to permanent design fixes. The engineer will lead reliability upgrades, standardize electronics across systems, and work closely with cross-functional teams to improve uptime and reduce operational costs. Key activities include PCB design, system-level testing, retrofitting live systems, and ensuring all improvements are documented and integrated into future builds.

IonQ Oxford, United Kingdom

Hybrid Permanent Clearance Required

Embedded Systems Engineer - FPGA Platform

Develop embedded Linux software, firmware, and board-support packages for FPGA-based systems used in quantum RF and sensing applications. Integrate FPGA SoCs, microcontrollers, and peripherals into robust control and signal-processing platforms. Perform board bring-up, debugging, and validation in collaboration with multidisciplinary engineering teams.

Infleqtion Kidlington, Oxfordshire, United Kingdom

Hybrid

Quantum Software Engineer - QEC

Designs and implements quantum error correction (QEC) protocols for scalable, high-fidelity quantum computation, with a focus on neutral atom platforms. Develops custom decoders, models noise processes, and collaborates with hardware and software teams to translate theoretical QEC frameworks into practical implementations. Engages in research, simulation, and cross-team collaboration to advance fault tolerance in quantum systems.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Quantum Software Engineer - Algorithms & Applications

Develops quantum algorithms and applications for near-term and fault-tolerant quantum systems, focusing on simulation, optimization, and hybrid quantum-classical workflows. Works across software, hardware, and research teams to implement and optimize algorithms using modern quantum SDKs and compiler toolchains. Contributes to customer support, proposal development, and scientific publication in high-impact journals.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Senior AMO Physicist - Quantum RF

This role involves experimental research and development in atomic, molecular, and optical (AMO) physics for quantum RF sensor systems. The physicist will design and integrate complex opto-mechanical systems, lead high-value research projects, and collaborate with multidisciplinary teams to advance quantum technologies. A strong focus is on translating product requirements into atomic system designs and demonstrating working quantum devices.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Senior Optics Technician

The Senior Optics Technician will join the Optical Manufacturing team to build and commission optics and laser assemblies for quantum systems. Responsibilities include precision optical assembly, system maintenance, and maintaining a safe laboratory environment.

IonQ Oxford, United Kingdom

Senior Software Engineer, Transport

Develop high-performance control software for trapped-ion quantum computers by creating frameworks that translate ion transport specifications into voltage waveforms. Collaborate with physicists and engineers to optimize transport operations, integrate physics simulations, and support scalable quantum computing systems. Work across disciplines to shape system architecture and enable closed-loop calibration for advanced quantum hardware.

IonQ Oxford, United Kingdom

Quantum Scientist

This role involves pioneering advancements in quantum computing using trapped ion technology and proprietary laser-free control methods. Responsibilities include prototyping coherent control schemes, calibrating quantum systems, validating trap technologies, and analyzing experimental data to push the boundaries of system performance.

IonQ Oxford, United Kingdom

Physicist, Resilience Engineering & Operations

Operate, maintain, and optimize trapped-ion quantum computers to ensure reliable, safe, and high-performance system operation. Diagnose issues through telemetry analysis, lead maintenance activities, and collaborate with cross-functional teams to improve system resilience and uptime. Work on-site in Oxford within a global team environment, contributing to the operational excellence of cutting-edge quantum hardware.

IonQ Oxford, United Kingdom

Senior FPGA Verification Engineer

This role involves designing and implementing advanced UVM/SystemVerilog verification environments for FPGA-based quantum control systems. The engineer will develop simulation infrastructure, define verification plans with functional and code coverage, and collaborate with RTL teams to debug and ensure design quality. The position is central to ensuring the reliability of hardware supporting cutting-edge quantum computing systems.

IonQ Oxford, United Kingdom

Software Engineer, Runtime

This role involves developing low-level, real-time control systems for quantum computing hardware, focusing on building robust abstractions and execution environments in Rust. You'll work closely with experimental scientists to enable precise ion manipulation and contribute to core libraries that transform hardware into functional quantum computers. The position emphasizes rapid iteration, high-quality code, and cross-team collaboration within a cutting-edge quantum research environment.

IonQ Oxford, United Kingdom

Staff FPGA Engineer

Design and develop FPGA-based signal processing and control systems for quantum computing hardware. Implement RTL modules, verify logic using simulation tools, and debug real-time control functions using lab equipment. Collaborate with cross-functional teams to deliver high-performance firmware for quantum control systems.

IonQ Oxford, United Kingdom