Latest Quantum Cryptography Jobs

I'd love to work at PQShield - Speculative Application

Speculative application for a deep-tech startup building a RISC-V MCU-based subsystem with post-quantum cryptography algorithms and security features. Successful candidates collaborate directly with founders and inventors, working across data science, optimisation and AI in the semiconductor space, with occasional travel to offices.

PQShield Remote); within Belgium, France, Netherlands, UK, Germany. Some travel to our offices will be required from time-to-time

Hybrid

Senior Sales Engineer (FAE)

Customer-facing technical role supporting sales of post-quantum cryptography software and hardware into large manufacturers, enterprises and semiconductor/security accounts. Involves requirements discovery, demos, statements of work and Q&A documentation, working closely with Sales, Engineering and Management. Open to experienced sales engineers or embedded/hardware engineers moving into sales, with 10-20% travel.

PQShield Remote (within the USA); Ideally Austin or California. Some travel to our offices will be required from time-to-time

Remote

Quantum Specialist KTP Associate

Lead a Knowledge Transfer Partnership project to commercialise an optical atomic clock, working across CPI TMD Technologies and the University of Sussex. Day to day involves reviewing and redesigning atomic clock subsystems, sourcing components and suppliers, and testing, characterising and integrating the full system through a gate-stage new product introduction process.

University of Sussex Brighton £51,753 – £56,535 pa

Contract Clearance Required

Quantum Software Engineer - QEC

Designs, analyses and implements fault-tolerant architectures for scalable quantum computation, developing error-correcting codes, decoders and fault-tolerant gate constructions tailored to neutral atom hardware. Works with hardware, control and compiler teams to model noise, optimise syndrome extraction and define logical performance metrics, bridging QEC theory and experimental implementation.

Infleqtion Kidlington

Hybrid Permanent

Quantum Software Engineer - Algorithms & Applications

Designs, implements and optimises quantum algorithms for simulation, optimisation and hybrid quantum-classical workloads, working with hardware, control and research teams to turn theory into executable applications. Deploys software optimisations to the Superstaq cloud platform using industry-grade engineering practices, supports customers, and contributes to research publications and commercial proposals.

Infleqtion Kidlington

Hybrid Permanent

Quantum Specialist (KTP Associate) (862154)

Lead the commercial development of a compact cold-atom clock physics package, translating university research into a viable product. The role is based at CPI-TMD in Hayes after an initial 8-12 month placement at the University of Strathclyde, working with academic researchers and industrial engineers.

University of Strathclyde Glasgow £47,389 – £58,225 pa

On-site Contract

Quantum Operator

Operate, monitor and maintain ion-trap quantum computing hardware and experimental systems, running calibration, optimisation and characterisation of quantum hardware and control systems. Work closely with physicists and engineering teams to integrate and test new hardware, collecting and analysing experimental data to support performance and troubleshooting.

Universal Quantum Haywards Heath

On-site Permanent

Quantum Error Correction Scientist

Designs and simulates quantum error correction protocols, tailoring them to hardware strengths and characterising physical qubit noise profiles. Performs resource estimation for large-scale applications and advises on hardware and software control choices to optimise error correction performance in the near and far term.

Universal Quantum Haywards Heath

Hybrid Permanent

Quantum Error Correction Engineer - W/M

Develops and benchmarks quantum error-correcting codes and fault-tolerant protocols tailored to neutral-atom hardware, including decoder design, logical error models and error budgets. Builds and maintains QEC simulation and emulation tools, analyses experimental data, and provides QEC-driven inputs to future QPU architecture design. Involves writing technical reports and scientific articles and representing the company at international conferences.

Pasqal London

Hybrid Permanent Flexible

Senior Quantum Physicist

Validates and optimises trapped-ion quantum computers, prototyping coherent control and cooling schemes, calibrating and benchmarking qubit gates, and validating emerging trap technologies with integrated electronics and photonics. Involves coding and debugging experiments in Python or Rust and documenting findings within a fast-moving UK science team.

IonQ Oxford

Hybrid Clearance Required

Lead Quantum Engineer, Systems Performance

Lead a cross-functional team building next-generation superconducting quantum hardware, proposing new technical directions and designing experiments to improve performance and scalability. Own delivery of key quantum technologies, using cryogenic systems, RF and time-domain measurement, and Python to close performance gaps.

Rigetti Berkeley, United States US$190,000 – US$225,000 pa

Hybrid

Senior Quantum Engineer, Gate Calibration

Lead experimental programs to characterize, calibrate and optimize two-qubit gates on tunable-coupler superconducting processors, isolating error sources such as leakage, crosstalk and decoherence. Develop pulse shaping, dynamical decoupling and automated calibration methods that scale across hundreds of qubit pairs, feeding findings back into device design and fabrication.

Rigetti Berkeley, United States US$175,000 – US$200,000 pa

Hybrid

Senior Quantum Applications Architect

Translate computational tasks into abstract quantum-algorithm specifications, analyse asymptotic performance, and define problem instances beyond classical reach. Work with the Compilation team on explicit implementations and resource estimates, and lead research programs with industrial and academic partners across domains such as life sciences and sustainability.

PsiQuantum Warrington £78,900 – £92,900 pa

Research Fellow in Quantum Technology

Postdoctoral role in experimental quantum technology, combining trapped ions and photons to build a distributed quantum network. The work involves testing and characterising a multi-zone ion trap, implementing an efficient ion-photon interface based on strongly-coupled cavity-QED, and setting up a second system for a basic quantum network. The position sits within the EPSRC Quantum Technology Hub and a team led by Prof Matthias Keller.

University of Sussex Brighton

Contract

Research Associate in Optimal Quantum

Designs optimised driving schemes for noise-resilient entangling gates with trapped ions, supporting an experimental partner in Innsbruck and a theory partner in Sofia. Combines analytical and numerical optimal control methods to identify and overcome imperfections limiting gate fidelities at finite temperature and without accurate calibration.

Imperial College London London £50,733 – £62,001 pa

On-site Contract