Sr Software Engineer - Tactical Communications (Onsite)
RTX (Raytheon)
- Location
- US-IA-CEDAR RAPIDS-137 ~ 855 35Th St NE ~ BLDG 137
- Work model
- On-Site
- Level
- Senior
- Posted
- Sep 1, 2026
Skills
About this role
Location: US-IA-CEDAR RAPIDS-137 ~ 855 35Th St NE ~ BLDG 137

 Position Role Type: Onsite

 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. Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense. At Collins Aerospace, we don’t just build technology—we engineer mission success. Our Resilient Connectivity Products software teams are on the front lines of innovation, designing and delivering cutting-edge embedded communication solutions that keep military forces around the world safe, connected, and informed—no matter the environment. We’re looking for a Senior Software Engineer who’s ready to make an impact. In this role, you won’t just write code, you’ll help shape the future of secure communications. From software-defined radios and advanced networking to state-of-the-art cryptographic systems, your work will drive critical real-time communications that enable pilots and soldiers to securely share voice, video, and data when it matters most. Here, you’ll collaborate with top-tier engineers and industry experts, leveraging advanced technologies to push the boundaries of what’s possible. Whether you're building trusted systems or breaking ground on new innovations, your contributions will directly support mission-critical operations across the globe. If you're passionate about solving complex challenges, excited by the idea of working on systems that truly matter and driven to grow alongside some of the brightest minds in the field—we want you on our team. Join Collins Aerospace Mission Systems and help us connect the battlespace of tomorrow!
What You Will Do
YOU will design and develop cutting-edge embedded software, networking and communication products in C/C++ and Rust YOU will drive project success by directly contributing to requirements, implementation, test development, and certification YOU will lead initiatives and small teams YOU will guide your team: supporting cost, schedule and technical performance What You Will Learn YOU will gain technical leadership experience and mentorship opportunities to develop talent for yourself and your peers YOU will collaborate with experts in the software discipline, obtaining hands-on experience with new and innovative technologies YOU will engage with a multidisciplinary team to develop a cross-functional skillset YOU will become a subject matter expert on your projects and programs Qualifications You Must Have YOU will become a subject matter expert on your projects and programs U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Experience in the full software development lifecycle Experience with embedded software development Experience in Python and C/C++ Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior