L3Harris is seeking an experienced and innovative Mission System Architect (MSA) to lead our advanced technology team. The ideal candidate will have ownership and extensive expertise in designing, developing, integrating, and delivering a complex Air Traffic Management (ATM) communication network, with a strong emphasis on SD-WAN architecture and requirements. This role requires a strategic thinker capable of driving comprehensive architecture design and setting the technical direction for this mission-critical system, ensuring it meets stringent performance, reliability, and security standards.