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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Senior Technical Architect - Systems Integration - **Company:** QinetiQ Group plc - **Location:** Great Malvern, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Agile Methodology, Systems Engineering, DevOps, Systems Architecture, Systems Integration, C4ISR - **Published:** September 4, 2026 - **Apply:** https://careers.qinetiq.com/talentcommunity/apply/1373252433/?locale=en_GB ## About the Role * Extensive experience solving complex systems engineering and integration projects within the Defence sector * A strong understanding of Defence acquisition, engineering, and governance frameworks * Demonstrated experience leading system-of-systems integration across platforms, sensors, networks, and missions systems * Strong stakeholder management skills with the ability to influence senior decision-makers * Significant involvement in major Defence bids, technical solutions, or acquisition programmes * Previous experience applying Agile and modern engineering practices in sensitive or heavily regulated environments Essential qualifications for the Principal Senior Technical Architect - Systems Integration: 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 - Systems Integration, you will be a senior technical leader responsible for architecting, integrating, and delivering complex Defence capabilities across land, maritime, air, space, cyber, and C4ISR domains. The role focuses on systems engineering excellence, large-scale integration, and Agile Delivery within the Defence enterprise. Day-to-day, you will operate as a trusted advisor to MOD stakeholders and Front-Line Commands for an architect that defines and drives the technical strategy for major Defence programmes, competitive bids, and capability transformation initiatives. Your responsibilities will include: * Leading end to end Systems Engineering activities in accordance with Defence and our customers best practices, covering requirements capture, system design, interface definition, verification, validation and acceptance * Developing and managing system of systems architecture supporting multi domain integration * Leading technical integration efforts across platforms, sensors, data links, applications, networks, and command-and-control systems overseeing the integration across multiple partners and stakeholders * Leading technical solutions and architecture development for major MOD bids developing credible, compliant, and value-drive capability propositions * Developing trusted relationships with MOD stakeholders, Front-Line Commands, and Defence industry partners whilst translating Defence user needs * Leading multi-disciplinary engineering teams across systems, software, cyber, security, operational analysis, and platform integration fostering a culture of systems thinking ## Related Videos - [Hosting a modern justice system](https://www.wearedevelopers.com/videos/332-hosting-a-modern-justice-system) - [ShapeShift: Reinventing Agile for a B2B SaaS Scale-Up](https://www.wearedevelopers.com/videos/1655-shapeshift-reinventing-agile-for-a-b2b-saas-scale-up) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Why Your Best Mediors Never Become Seniors (And How to Fix It)](https://www.wearedevelopers.com/videos/2108-why-your-best-mediors-never-become-seniors-and-how-to-fix-it) - [From Punch Cards to AI-assisted Development](https://www.wearedevelopers.com/videos/611-from-punch-cards-to-ai-assisted-development) ## Related Articles - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [IT Salaries in UK](https://www.wearedevelopers.com/magazine/288-it-salaries-in-uk) - [Events like RSAC Get You CISOs. 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