Senior Systems Engineer - Mission-Critical RF Systems £60,000 - £65,000 + Benefits | Northamptonshire | Hybrid Working About the Role Join a leading technology company developing cutting-edge, mission-critical RF systems for defense and security applications. We're seeking a Senior Systems Engineer to play a key role in delivering high-end systems across three core capability areas: * Secure Tactical Datalinks for critical communications * Spectrum Monitoring Systems for RF analysis and management * Battlespace Technologies including COMINT, HF Direction Finding, C-UAS, and C-RCIED systems This is a technically hands-on yet strategically involved position working across the full product lifecycle from bids to delivery. Key Responsibilities Systems Architecture & Strategy: * Systems architecture definition and high-level design * Requirements capture, analysis, and management * Translate customer requirements into technical solutions * Interface definition and system performance analysis Technical Leadership: * Lead and guide multidisciplinary engineering teams * Maintain technical vision across complex projects * Support bid processes and customer technical discussions * Cross-functional collaboration and stakeholder management Product Development: * Work across full development lifecycle * System verification and validation activities * Tec...