Quantum Computing Jobs

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

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.

Jira · GitHub · HubSpot +1

• Remote (within the countries we operate from); UK, France, Netherlands, Spain, or Belgium. Some travel to our offices will be required from time-to-time
• Remote
• Lead · manages people

Lead a cryptographic software IP team, owning the full development lifecycle from architecture and planning to testing and customer delivery. Combines hands-on embedded C expertise with line management, hiring, mentoring and cross-team strategy, working on post-quantum cryptography and RISC-V with hardware and vulnerability teams.

GitLab CI · NIST PQC · RISC-V +1

• Kidlington
• Hybrid
• Mid-level
• Permanent

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.

• Kidlington
• Hybrid
• Mid-level
• Permanent

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.

Superstaq

• Haywards Heath
• On-site
• Permanent

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.

• Glasgow
• On-site
• £47,389 – £58,225 pa
• Contract

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.

Cold-Atom Clock · Microwave Amplifiers · Power Systems

• Haywards Heath
• Hybrid
• Permanent

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.

• London
• Hybrid
• Senior
• Permanent · Flexible

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.

Python

• Oxford
• Remote
• Director

Owns an annual new business and expansion quota selling Capella Data as a Service subscriptions, SAR imagery and analytics, tasking capacity and complete satellite systems to enterprise, defence and civil government accounts across EMEA. Runs long-cycle capital programmes alongside faster data subscriptions, responding to RFIs, RFPs and government tenders and forecasting in CRM.

CRM · AWS

• Oxford
• Hybrid
• Senior

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.

Python · Rust

• Berkeley, United States
• Hybrid
• US$190,000 – US$225,000 pa
• Lead · manages people

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.

Python · cQED Simulation Tools

• Berkeley, United States
• Hybrid
• US$175,000 – US$200,000 pa
• Senior

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.

QuTiP · Rigetti Quantum Cloud Services

• Warrington
• £73,300 – £86,100 pa
• Senior

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 fault-tolerant photonic quantum computing.

Python · C++

• London
• £44,861 – £55,099 pa
• Entry level
• Contract

Two postdoctoral Research Fellow positions at the newly established David Potter Institute for Quantum Information and Spacetime, working at the interface of quantum information theory and gravity to probe the quantum nature of spacetime. The roles sit within a highly collaborative environment spanning Physics, Mathematics, Computer Science, Philosophy and Science and Technology Studies, involving several theory groups plus an experimental group. Posts are initially funded for two years, starting October 2027 or earlier by arrangement.

• London
• £44,861 – £55,099 pa
• Entry level
• Contract

Postdoctoral role developing and applying tensor network methods to quantum and classical systems, deploying them on both classical and quantum hardware. Based in Prof Andrew Green's group at the London Centre for Nano and Quantum, with collaboration across UK institutions and international partners, plus research secondments. Fixed-term for two years.