Principal Architect

Title: Principal Architect / Head of TDA Duration: 6 Months but a likely to be extended due to the Multi‑year programme Contract: Inside IR35 Location: Stevenage 2 days in the office but flexible - Hybrid Working Overview Lead the architecture, design authority and technical delivery of a large, high‑profile government service. You’ll oversee the end‑to‑end digital solution, shape the technology roadmap, and guide multiple suppliers to deliver a secure, resilient and scalable platform. Ideal for a senior contractor experienced in major defence‑related technology programmes. Key Responsibilities Act as the overall design authority for the programme’s digital and data systems. Own the enterprise architecture, technical standards and roadmap. Oversee security, performance, resilience and end‑to‑end solution integrity. Coordinate and assure delivery across multiple primary and secondary suppliers. Manage technical risk, lead incident response where required, and maintain service continuity. Represent the programme in senior governance forums and with government stakeholders. Drive continuous improvement, innovation and value creation across the technology landscape. Lead and mentor cross‑functional technology teams. Strong enterprise architecture and systems integration background. Proven track record of delivering complex digital services in Agile or hybrid environments. Strong stakeholder management and communication skills at senior levels. Experience managing security, accreditation, data protection and high‑assurance environments. Ability to operate in fast‑moving, high‑scrutiny environments. #J-18808-Ljbffr