Latest Post-Quantum Cryptography Jobs

Quantum & Cryptography Principal Sales Specialist, UK Public Sector

This role involves leading the commercial strategy for AWS quantum computing and cryptography services across UK public sector organisations, from national security to the NHS and local government. The specialist will drive adoption of quantum-safe technologies and cybersecurity solutions by engaging senior leaders, shaping go-to-market plans, and navigating complex procurement environments. Success requires combining technical depth with mission-driven value selling in high-stakes, regulated domains.

Amazon London, United Kingdom

Hybrid Permanent Clearance Required

Senior Quantum Sales Director, South Korea

The Senior Quantum Sales Director will lead strategic sales growth in South Korea, developing high-value commercial and government opportunities. Responsibilities include building executive relationships, progressing complex sales opportunities, and aligning customer needs with IonQ’s quantum computing platform.

Oxford Ionics Daejeon, Korea (Republic of)

On-site Permanent

Cryptographer

The Cryptographer role involves collaborating with sales and technical teams to explain cryptographic concepts, prepare technical presentations, and design secure solutions. You will also support RFP responses, risk assessments, and engage with the academic cryptography community, maintaining up-to-date knowledge of cryptographic protocols and compliance standards.

Arqit United Kingdom

Hybrid Permanent

Technical Team Lead

This role involves leading a distributed software engineering team while maintaining hands-on technical contribution in the development of post-quantum cryptography solutions. The Technical Team Lead will guide full-stack software design, implementation, and deployment, ensuring high performance and resilience. Emphasis is placed on agile practices, code quality, and fostering a collaborative, high-performance culture within a cutting-edge cybersecurity environment.

Arqit United Kingdom

Hybrid Permanent Clearance Required

I'd love to work at PQShield - Speculative Application

Join Our Pioneering Team in Post-Quantum Cryptography and RISC-VEstablished in 2018, our deep-tech startup is at the forefront of developing a RISC-V MCU-based subsystem, integrating advanced post-quantum cryptography algorithms and security features. With the feasibility of our technology confirmed and...

PQShield United Kingdom

Senior Software Engineer

As a Senior Software Engineer at PQShield, you will design and implement secure cryptographic solutions, focusing on classical and post-quantum cryptography. You will work on optimizing performance, hardening implementations against attacks, and ensuring compliance with security standards. Collaboration with cross-functional teams, including hardware and security engineers, is key to this role.

PQShield United Kingdom

Remote Permanent

Lead Quantum Device Theorist

As a Lead Quantum Device Theorist, you will work on advancing the performance of superconducting quantum processors by developing advanced simulation tools, modeling noise sources, and improving gate and readout performance. You will collaborate closely with experimental teams and specialists in various areas to drive innovations in scalable architectures and quantum error correction.

Rigetti United States US$195,000 – US$225,000 pa

On-site Permanent

Senior Embedded Software Engineer - Systems Team

The role involves bridging the gap between Riverlane and its customers by configuring Deltaflow Hardware to connect with quantum computers, ensuring low-latency and high-throughput operations. Responsibilities include technical workshops, system integration, troubleshooting, and customer advocacy, working closely with a diverse team of experts in quantum error correction.

Riverlane Boston, United Kingdom £145,000 – £205,000 pa

Hybrid Permanent

Mechanical Design Engineer – Photonic Hardware

This role involves the mechanical and thermal design, prototyping, and validation of high-specification photonic hardware for quantum computing. The engineer will work closely with photonics, systems, and architecture teams to develop robust, testable, and manufacturable hardware for controlled environments, focusing on precision assemblies, thermal management, and environmental control.

PsiQuantum Runcorn, WA7 1UP, United Kingdom

On-site Permanent

Deployment Physicist, On-premises Installation - 572

We are seeking a highly qualified Deployment Physicist, On-premises Installation based in our London or Cambridge locations to install and service Helios systems worldwide for our Hardware-as-a-Service business.Helios is our current-generation quantum computer with 98 physical qubits and >99.9% two-qubit...

Quantinuum United Kingdom

Hybrid

Senior Counsel (Commercial Contracts) / (6 months)

The Senior Counsel will manage corporate contracts and legal activities, focusing on drafting and negotiating various agreements, providing legal advice, and supporting compliance. You will work closely with the legal team and cross-functional stakeholders to ensure the company's growth and innovation are legally sound and compliant.

Quantinuum United Kingdom

Hybrid Contract

Customer Service Claims Handler

Job Title: Customer Service Claims HandlerLocation: LiverpoolSalary: £26,937 per annum plus bonus potential of up to £1500 annual bonus after successful probation.Job Type: Permanent, Full TimeWorking Hours:37.5 hours, Monday to Friday from 9:00am to 5:30pmBored in your current role?Looking to...

Acorn Insurance Liverpool, United Kingdom £26,937 pa

Permanent

FAE - Japan

FAE(Japan)Industry Focus: Semiconductor, Security Hardware & Software, Hyperscalers, Networking & Telecom, AutomotiveTerritory: JapanOpening date: April 2026Here at PQShield we are at the forefront of Post-Quantum Cryptography that is changing how the world operates. We’ve helped shape all of the first...

PQShield United Kingdom

Field Applications Engineer (FAE)

This role involves supporting sales through the technical integration of cryptography software and hardware into large manufacturers and enterprises. You will work closely with the sales, engineering, and management teams to understand customer requirements, create technical solutions, and ensure successful customer onboarding.

PQShield United Kingdom

Remote Permanent

Sales Director - Japan

Sales Director (Japan)Industry Focus: Semiconductor, Security Hardware & Software, Hyperscalers, Networking & Telecom, AutomotiveTerritory: JapanOpening date: April 2026💼 About the roleHere at PQShield we are at the forefront of Post-Quantum Cryptography that is changing how the world operates. We’ve helped...

PQShield United Kingdom