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# Principal Senior Technical Architect - National Security

- **Company:** QinetiQ Group plc
- **Location:** Farnborough, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Systems Integration, Workflow Management Systems
- **Published:** September 4, 2026
- **Apply:** https://careers.qinetiq.com/talentcommunity/apply/1373264533/?locale=en_GB

## About the Role

* Significant experience working in or alongside National Security, Intelligence, Defence, or advanced Cyber missions
 * Demonstrable ability to lead capability development integrating people, process, and technology
 * Expertise in systems integration, operational workflow design, and organisation/process transformation
 * A strong background in leading multi-disciplinary teams in complex, sensitive environments
 * Experience in major capability transformation programmes in Defence, Intelligence, or Government
 * Familiarity with national security processes, governance frameworks, and high-assurance operations, We value difference and we don't have a fixed idea when it comes to background or education, provided you can show the required level of experience and willingness to learn then we would like to hear from you.

## Description

As a Principal Senior Technical Architect - National Security, you will be a senior technical leader responsible for shaping, developing, and integrating mission-critical capabilities for Cyber and National Security customers. This role focuses on customer intimacy, operational problem solving, and end to end capability development.

Day-to-day, you will act as a trusted advisor, driving innovation, orchestrating complex delivery, and building high performing teams that directly support national security missions.

Your responsibilities will include:

 * Identifying, shaping, and qualifying new business opportunities within National Security and Defence organisations leading early customer engagements and developing strategies that align with long-term sector growth
 * Providing technical direction for bids and business development activities ensuring that proposed solutions are feasible, innovative, compliant, and mission-aligned
 * Working closely with engineering, data, cyber, AI/ML, and systems integration teams to shape end-to-end solutions
 * Translating complex missions' needs into robust technical architecture, capability concepts, and delivery approaches
 * Technically lead major bids from capture through proposal submission and contract negotiation
 * Leading the design and evolution of end-to-end capabilities that combine people, processes, systems, and technology into coherent, high value outcomes
 * Providing leadership across all areas and shaping and overseeing the delivery of complex capability programmes


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