Job Title: DV Cleared Senior Principal Engineering Lead - Mission IT Location: Basingstoke Duration: 6 months Rate: Up to £849 per day via an approved umbrella company Must be willing and eligible to go through the DV clearance process Our client, a leading organisation in national security and defence, is hiring for a reputable client 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. What you''ll be doing: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, 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. What you''ll bring:Extensive experience leading complex IT projects and teams, with a strong background in systems engineering and enterprise architecture (eg, TOGAF).Recognised expertise in ..... full job details .....