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 aSenior Systems Engineerto play a key role in delivering high-end systems across three core capability areas: Secure Tactical Datalinksfor critical communications Spectrum Monitoring Systemsfor RF analysis and management Battlespace Technologiesincluding COMINT, HF Direction Finding, C-UAS, and C-RCIED systems This is atechnically hands-on yet strategically involvedposition 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 Technical documentation and specification development Design reviews and technical risk management Essential Requirements 5 years systems engineering experience(7 preferred) Strong background insystems architectureandrequirements capture Experience withfull development lifecyclemanagement Ability totranslate high-level requirements into system architecture Technical leadershipof multidisciplinary teams Someknowledge of RF systemsessential British citizenshipor eligible for UK security clearance (SC) Engineering degree or equivalent experience What We Offer Salary:£60,000 - £65,000 Annual Bonus:3-6% of salary Hybrid Working:3 days onsite in Northamptonshire Holiday:25 days option to buy 5 additional days Pension:5% company contribution (when matched) Benefits:Life cover, comprehensive package Hours:40-hour working week