> Markdown version of [/jobs/ext/3101871-principal-senior-technical-architect](https://www.wearedevelopers.com/jobs/ext/3101871-principal-senior-technical-architect). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Senior Technical Architect - **Company:** QINETIQ LIMITED - **Location:** Orpington, UK - **Experience:** Expert - **Salary:** £43,000.0 - £83,000.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Systems Integration, Workflow Management Systems - **Published:** September 27, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5899591357 ## 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 * 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 * Willingness to learn, with no fixed background or education requirement provided you can show the required level of experience * Willingness to go through DV Clearance ## Description * Shape, develop, and integrate mission-critical capabilities for Cyber and National Security customers * Act as a trusted advisor, driving innovation, orchestrating complex delivery, and building high performing teams * Identify, shape, and qualify new business opportunities within National Security and Defence organisations * Lead early customer engagements and develop strategies aligned with long-term sector growth * Provide technical direction for bids and business development activities * Ensure proposed solutions are feasible, innovative, compliant, and mission-aligned * Work closely with engineering, data, cyber, AI/ML, and systems integration teams to shape end-to-end solutions * Translate complex mission needs into robust technical architecture, capability concepts, and delivery approaches * Technically lead major bids from capture through proposal submission and contract negotiation * Lead the design and evolution of end-to-end capabilities combining people, processes, systems, and technology * Provide leadership across all areas and shape and oversee the delivery of complex capability programmes ## Related Videos - [AI Agents & Agentic AI](https://www.wearedevelopers.com/videos/2017-ai-agents-agentic-ai) - [Edit Your Future: Queerverse Radical AI](https://www.wearedevelopers.com/videos/909-edit-your-future-queerverse-radical-ai) - [Transforming Task Management: Integrating Camunda with Scalable Frontend Solutions](https://www.wearedevelopers.com/videos/1433-transforming-task-management-integrating-camunda-with-scalable-frontend-solutions) - [The Software Engineer 2030: From Coder To AI Orchestrator? - Patrick Schnell](https://www.wearedevelopers.com/videos/1825-the-software-engineer-2030-from-coder-to-ai-orchestrator-patrick-schnell) - [Physical AI: The Era of Intelligent Machines](https://www.wearedevelopers.com/videos/100141-physical-ai-the-era-of-intelligent-machines) - [Hiring AI Native Talents](https://www.wearedevelopers.com/videos/100268-hiring-ai-native-talents) ## Related Articles - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [IT Salaries in UK](https://www.wearedevelopers.com/magazine/288-it-salaries-in-uk) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing)