The Senior Systems Security Engineer will be a member of a multi-disciplinary group of System, Hardware, and Software Engineers at Collins Aerospace, a leader in technologically advanced solutions for the aerospace and defense industry. This role focuses on supporting programs for the US military and various international customers, ensuring safety from foreign threats. The position is not an IT or programming role but an embedded cybersecurity role that emphasizes technical writing, system security analysis, and requirements assessment. The ideal candidate will engage in requirement allocation, system model analysis, security vulnerability assessment, and formal cybersecurity verification. The candidate will report to the Lead Systems Security Engineer and collaborate with cross-functional teams.