Latest Quantum Cryptography Jobs

Optical Engineer

Provide optical engineering support to a team developing commercial trapped-ion quantum computers. Design, assemble, align and characterise laser and optical subsystems, integrate fibre-optic and opto-mechanical assemblies, and develop test methods to improve alignment stability and throughput. Work alongside electronics, mechanical, physics and quantum engineers.

Universal Quantum Haywards Heath

On-site Permanent

open application pool for Electronics Engineers

Hands-on electronics role focused on the hardware system design and realisation of a large-scale control system for quantum computers. Involves analogue and digital circuit design, CAD and test equipment, documentation and verification, plus close collaboration with mechanical engineers, software engineers and physicists on proof-of-concept work.

Universal Quantum Haywards Heath

On-site Permanent

Senior Optical Packaging & Assembly Engineer

Develops scalable fibre-to-chip alignment schemes and opto-electronic packaging workflows for chip-based photonic integrated circuits at the UK R&D facility in Daresbury. Involves prototyping packaging flows, reviewing BOMs, sourcing materials with supply chain and external vendors, and transferring designs to manufacturing partners.

PsiQuantum Warrington

On-site

Senior Mechanical Engineer

Owns mechanical design of ion-trap quantum computer hardware, from first requirements through manufacture and integration. Produces CAD assemblies, drawings and BOMs for cryostat, vacuum and cooling systems, routes cabling and optical fibre, and supports lab technicians. Works with scientists and hardware teams on complex multidisciplinary systems.

IonQ Oxford

Software Engineer, Non-Realtime Controllers

This role involves working closely with software engineers, systems teams, and quantum scientists to build and operate the software that controls the hardware surrounding quantum computers. Responsibilities include designing and implementing device controllers, ensuring robustness and observability, and integrating with the wider software architecture.

IonQ Oxford

Network & Infrastructure Engineer

Hands-on role owning networking and physical infrastructure across Berkeley labs and a Fremont fabrication facility, including routing, racking, cabling, switches, firewalls and storage, while also supporting AWS cloud environments and infrastructure-as-code. The engineer flexes between data center work and cloud/DevOps tasks such as Terraform, Kubernetes and CI/CD, building new infrastructure as lab and fab space expands.

Rigetti Berkeley, United States US$190,000 – US$240,000 pa

Hybrid

Field Engineer: Cryogenics & RF Hardware

Hands-on field role operating, maintaining and debugging RF and cryogenic systems for quantum processors deployed at customer sites worldwide. Owns dilution refrigerator cooldowns, vacuum and helium leak detection, RF hardware validation, and on-call support, with 35%+ international travel.

Rigetti Berkeley, United States US$115,000 – US$140,000 pa

Optics Technician

Hands-on role supporting the optical manufacturing team building and upgrading quantum computer systems. Day to day involves optical, mechanical and electrical assembly, keeping the lab and workshop tidy and safe, and producing and maintaining technical documentation alongside engineers, scientists and senior technicians.

IonQ Oxford

Clearance Required

Senior FPGA Verification Engineer

Architect, develop and maintain advanced UVM/SystemVerilog verification environments for complex FPGA designs, defining verification plans with constrained-random testing and functional coverage. Build automated regression suites and CI pipelines, and debug issues with RTL designers to support quantum control systems.

IonQ Oxford

Hybrid

Staff Software Engineer, Runtime

Join the Runtime Software team to build the real-time control system that turns a collection of hardware into a quantum computer. You'll develop Rust libraries and execution environments, write drivers for real-time devices, and work closely with experimental scientists, FPGA and compiler teams to drive ions with nanosecond precision.

IonQ Oxford

Hybrid Clearance Required

Staff Analog Mixed-Signal Design and Modelling Engineer

Owns full-chip mixed-signal modelling and verification for cryo-CMOS ASICs used in trapped-ion quantum processors, building Verilog-A/AMS and real-number SystemVerilog models correlated against schematic and measured silicon. Leads AMS methodology, sign-off criteria and reviews, runs Cadence AMS/Xcelium-Spectre co-simulation and regressions, and mentors engineers through tape-out and silicon bring-up.

IonQ Oxford

Hybrid Clearance Required

Technical Programme Manager, System Delivery

Lead end-to-end delivery of quantum computing systems to customer sites across Europe and Asia, owning deployment and commissioning from early planning and export through installation, commissioning and handover. Coordinate engineering, science, legal, trade compliance, logistics, facilities, security and customer teams, with around 30-40% travel.

IonQ Oxford

Hybrid Clearance Required

Senior Electronics Engineer

Owns the full lifecycle of electrical reliability fixes on operational trapped-ion quantum computers, from triaging and root-causing control and drive-electronics faults to designing, prototyping and retrofitting permanent solutions. Works across Operations, Science and Manufacturing on fleet-wide upgrades, standardising hardware and building telemetry to cut downtime.

IonQ Oxford

Hybrid Permanent Clearance Required

Senior QPU Design Engineer

Integrate all features needed to operate quantum computers into complex multi-layer ion-trapping chips, taking designs from requirements through layout and tape-out. Work closely with scientists and fabrication engineers, handling metal-track routing and interfaces with photonics and CMOS, and independently owning project delivery.

IonQ Oxford

Hybrid Clearance Required

Staff Software Engineer, Non-Realtime Controllers

Hands-on staff engineering role owning the non-realtime control software for quantum computers, integrating supporting hardware such as cryogenic compressors, vacuum pumps, lasers and cameras on general-purpose Linux. You will write Rust controllers and shared frameworks, build simulators and test infrastructure, and diagnose failures that only appear against real hardware in a live lab.

IonQ Oxford

Hybrid Clearance Required