A leading national security firm is seeking a Senior / Lead Solution Architect to join their National Security & Defence programme. This is a senior role focused on enhancing complex systems through incremental changes rather than overhauls. You will guide technical solutions, work across multiple projects, and collaborate with engineering teams, with a salary up to £105,000 offered. UK DV clearance is essential, and the role requires a commitment to continuous improvement and stakeholder engagement. #J-18808-Ljbffr