Latest Defence Jobs

Business Development Manager - Quantum for Defence & Space

ABOUT THE COMPANYInfleqtion is a global quantum technology company delivering advanced sensing, precision timing, and quantum computing technologies to government and commercial customers. We develop and deploy cutting-edge quantum solutions that enhance navigation, positioning, communications, quantum information processing, and sensing...

Infleqtion Kidlington, United Kingdom

Hybrid 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

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

This role involves identifying, developing, and closing strategic opportunities for IonQ's quantum computing solutions across various sectors including enterprise, government, defence, and research. The Senior Quantum Sales Director will build relationships with senior leaders, lead complex sales cycles, and position IonQ as a critical partner in next-generation computing.

Oxford Ionics Oxford, United Kingdom

On-site Permanent

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

Manager, Quantum systems IT

This role involves leading the classical IT infrastructure that supports the development and operation of quantum computing systems. The manager will oversee Linux server provisioning, lab networking, and integration of scientific hardware, while building automated, repeatable processes. The position requires close collaboration with engineering, DevOps, and physics teams in a live R&D and manufacturing environment.

Oxford Ionics Oxford, United Kingdom

Hybrid 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