Latest Quantum Cryptography Jobs

Lead Software Engineer

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.

PQShield 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

Technical Product Manager (Software Security & Firmware)

Owns the product roadmap for software-based security IPs, cryptographic libraries and firmware, defining how security software integrates with hardware IPs and SoC architectures. Acts as domain expert on classical and post-quantum cryptography, hardening products against side-channel, DPA and timing attacks, and authoring PRDs that translate crypto standards into engineering requirements. Works directly with founders and customers in a deep-tech semiconductor context.

PQShield Remote (within the countries we operate within; Some travel to our offices will be required from time-to-time

Remote

Quantum Control Theorist

Design, model and test high-fidelity quantum operations, developing control methods and accurate physics models based on real hardware specifications. Work closely with hardware teams to implement new methods on quantum devices, build benchmarking procedures and compare experimental results against theoretical predictions.

Universal Quantum Haywards Heath

Hybrid Permanent

Senior Experimental Quantum Physicist

Lead the operation, calibration and characterisation of ion-trap quantum computing hardware, owning experimental performance. Develop methods for quantum measurement and control, applying AMO physics to laser cooling, trapping and detection, and build models to guide optimisation. Mentors junior scientists within a multidisciplinary team.

Universal Quantum Haywards Heath

On-site Permanent

Manager, Quantum Applications Software

Lead a small team of quantum applications software developers while remaining hands-on, building simulators, resource estimators and circuit compilation pipelines for fault-tolerant quantum computing. The role combines people management with technical delivery, partnering with algorithm researchers and architects to turn quantum algorithms into practical, production-quality tools.

PsiQuantum Warrington £99,400 – £116,900 pa

PhD Studentship: In Silico Directed Evolution of Biological Qubits: Rational Design of Nanoscale Quantum Transducers

A computational PhD project unifying open quantum spin dynamics simulations with deep-learning protein generation to build an in silico directed evolution pipeline. The candidate will design biological qubits that transduce spin-dependent events into functional effector signals, using tools such as ColabDesign, ProteinMPNN, molecular dynamics and DFT, with co-supervision from NPL and collaboration with Orion Life.

University of Exeter Exeter £21,805 pa

Contract

Solutions Engineer - Government, Defence and Critical Industries

Customer-facing technical role translating defence and national security challenges into mathematical models, building prototypes on quantum-enabled simulators and probabilistic hardware, and benchmarking against classical solvers. Spans Solutions, Applied Research, Engineering and Commercial teams, leading projects from requirements capture to pilot under security classification and export control constraints.

Quantum Dice Oxford

Hybrid Permanent Clearance Required

Senior Technical Program Manager (TPM)

Owns end-to-end delivery of complex quantum systems programs, building roadmaps, milestones and integration schedules across device fabrication, cryogenics, control hardware and software teams. Tracks readiness across hardware, firmware and software layers, manages cross-team dependencies and risks, and establishes scalable program management practices for research-driven deep-tech R&D.

Rigetti Berkeley, United States US$160,000 – US$190,000 pa

Hybrid Permanent

Embedded DevOps Engineer

Builds and maintains CI/CD pipelines, container orchestration and infrastructure-as-code for integrated software, firmware and gateware, including hardware-in-the-loop testing rigs. Also owns lab system management, network and server administration, backup and recovery planning, and software security procedures for production systems. Split between Kidlington and the National Quantum Computing Centre at Harwell, with up to two days remote.

Infleqtion Kidlington

Hybrid Permanent

Systems Integration Engineer - Compute

Integrate RF, optical, electronic and third-party devices into complex quantum computing systems, translating system requirements into practical architectures, interconnects and control schemes. Perform bring-up, commissioning, fault isolation and EMI/EMC troubleshooting, and define verification and validation test plans. Work within multi-disciplinary teams of physicists, engineers and technicians.

Infleqtion Kidlington

Hybrid Permanent

Senior Mechanical Engineer - Cryogenic

Owns the mechanical architecture of quantum hardware systems, from room-temperature infrastructure down to the millikelvin core of dilution refrigerators. Leads the cryogenic signal chain design, thermal interface definition, simulation in COMSOL or ANSYS, prototype builds and qualification, working alongside quantum physicists and RF engineers.

Rigetti Berkeley, United States US$165,000 – US$190,000 pa

Hybrid

Intern, System Architecture

Interns in the optical architecture group work at the interface of hardware, manufacturing and quantum architecture, prototyping software to control and simulate optical networks inside photonic quantum computers. They apply quantum information theory, network design and optimisation to improve designs, simulate and benchmark protocols, and document results. Placements run 3-6 months on a rolling basis, with a mix of analytical and programming work.

PsiQuantum Warrington £31,200 – £56,160 pa

Hybrid Internship

Internship at Quantinuum’s UK QEC team - 1095 / 1096

Interns join the UK Quantum Error Correction team to work on an active research project spanning architectural design, analysis and implementation of the QEC stack, from tensor networks and ZX calculus to fault-tolerant magic state gadgets and trapped-ion demonstrations. Based in London or Cambridge, the role sits in a research-focused group with close ties to hardware and software engineers, aiming at a publication and/or software libraries.

Quantinuum London £2,500 pm

On-site Internship

General Interest in working for Quantinuum - London-Cambridge-Oxford

A speculative general-interest application rather than a defined role, inviting candidates with an interest or experience in quantum technologies to submit details for future openings. Work spans quantum hardware and software, including quantum chemistry, AI, machine learning/QML, encryption, QNLP and algorithms, across London, Cambridge and Oxford.

Quantinuum London

Sr. AMO Physicist

Build and operate a next-generation neutral-atom quantum computer at the Harwell Science and Innovation campus, verifying and validating modules and subsystems with engineering teams. Run, calibrate and improve the QPU, investigate noise and decoherence, and analyse experimental data to guide system improvements alongside physicists, engineers and computer scientists.

Quera Computing Didcot

On-site Permanent