C5IPrincipalPlatformEngineer

**Date Posted:** 2026-06-04 **Country:** United States of America **Location:** US-MA-REMOTE **Position Role Type:** Remote **U.S. Citizen, U.S. Person, or Immigration Status Requirements: ** The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance **Security Clearance Type:** DoD Clearance: Secret **Security Clearance Status:** Active and existing security clearance required after day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. We are seeking a Principal Platform Engineer to support the C5I (Command, Control, Communications, Computing, Cyber, and Intelligence) product line within the Missile Defense Sensors (MDS) Software Department. The MDS mission is to provide world‑class Radar and Command and Control (C2) software across an array of surveillance and warning systems. Platform Engineers design, optimize and maintain the secure, scalable, mission‑critical software infrastructure that underpins radar, C2 and DevSecOps‑intensive systems. As a senior leader on our team, you will shape platform architecture, drive modernization and ensure delivery of robust capabilities that support real‑time