Principal Software Engineer

Date Posted:2026-08-21Country:United States of America

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 1At 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.
Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market.
Collins Aerospace Resilient Connectivity Products (RCP) Engineering seeks a Principal Software Engineer to join the Platform Services Software Team who’s ready to make an impact. Our team solves defense customers’ toughest problems through rapidly developing, integrating, and demonstrating software solutions that employ cutting-edge signal processing and networking innovations.  We pride ourselves on creativity, facing challenging and complex problems head on, and pushing the limits of the possible – all to provide the Warfighter with the most responsive and disruptive capabilities that navigate the intersection of communications; position, navigation & timing (PNT); cyber space; and other radio frequency (RF) systems.
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.
Join Collins Aerospace and help us connect the battlespace of tomorrowWhat You Will DoParticipate in the requirements, design, development and testing of software to include development of new work products or enhancement of existing applications and systemsDesign, code, test, integrate, and document software solutionsParticipate in internal review of software components and systemsCollaborate with project managers and other professionals within EngineeringFollow established development practices and processes to maintain the configuration management of software productsParticipate in the advancement of the software development environment and DevOps practices within EngineeringDesign and develop innovative solutions for communication, navigation, radar and electronic warfare applicationsDerive requirements for new concepts and systems from overall project goalsDevelop, champion and pursue new approaches and solutionsCollaborate closely across multi-disciplinary teams to rapidly identify and implement innovative, effective solutionsCreate and deliver technical presentations that articulate design approaches and their relevance to project objectivesSupport assigned tasks with accountability for technical execution, cost, schedule, and design-to-cost/manufacturability targetsAbility to travel up to 15%Qualifications You Must HaveExperience developing in modern programming languages (e.g. C++, Java) in a Linux environmentExperience with rapid prototyping and development of software solutionsTypically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and 8 years of prior relevant experience OR an Advanced Degree in a related field and minimum 5 years of experienceQualifications We PreferExperience with embedded software development and software/hardware integrationExperience with software defined radios (SDRs) or multi-function radio frequency (MFRF) systemsExperience with Electronic Warfare (EW) and Position, Navigation & Timing (PNT) systemsExperience with Object Oriented Design/Development and multithreadingExperience with Agile/SCRUM, DevOps, and test automation practicesExperience with using configuration management and defect tracking tools (Git, JIRA, etc.)Experience in software development, testing, and deployment in languages such as Python and C/C++Experience with software def