Salary: £60,000 - 90,000 per year Requirements: Extensive experience leading complex IT projects and teams Strong background in systems engineering and enterprise architecture (e.g., TOGAF) Recognised expertise in secure networks, cloud, edge computing, and mission-critical software Proven ability to influence strategy, develop innovative solutions, and foster positive cultural change Excellent communication skills, capable of engaging senior stakeholders and motivating teams A degree in Science or Engineering, complemented by professional qualifications and ongoing CPD Knowledge of MOD acquisition frameworks and a track record of outstanding technical contributions in the defence or security sectors Responsibilities: Lead multi-disciplinary technical teams to deliver innovative, secure IT solutions aligned with MOD standards, JSPs, DEFSTANs, NIST, and NATO frameworks Oversee programme delivery, bidding activities, and develop end-to-end architectures for Defence IT, C5ISR, and mission systems Collaborate across functions to develop strategies for new capabilities and evaluate emerging technologies such as cloud, AI/ML, and secure networks Ensure architectural governance, technical assurance, and compliance with statutory and regulatory standards Support business development, strategic planning, and key facility development to meet future customer needs Technologies: AI Cloud Support Security TOGAF DevOps More: We are a leading organisation in national security and defence, seeking to appoint a Senior Principal Engineering Lead to provide strategic IT platform and engineering leadership within mission-critical environments. This role is pivotal in shaping technical strategies, delivering complex solutions, and driving growth across on-premise, hybrid, and cloud capabilities. Join our team and contribute to impactful projects that support national security. If you are a respected leader with a passion for innovation and strategic delivery, we want to hear from you! last updated 12 week of 2026