Principal Software Engineer -Core Systems & Libraries (Onsite)

Design The Foundation Of Next-Generation AvionicsJoin the growing Collins Aerospace Core Systems and Libraries team and play a key role in shaping the software foundation that powers modern aircraft. We are seeking a Principal Software Engineer who thrives on solving complex technical challenges and driving high-impact solutions across safety-critical systems.In this role, you will lead the architecture and development of core software components, libraries, and tools that enable scalable, certifiable avionics platforms. You'll work across the full software lifecycle, partnering with cross-functional teams to deliver high-quality solutions aligned with civil and military certification standards.This is a unique opportunity to influence system-level design, advance open architecture initiatives, and contribute to technologies that define the future of aerospace.Location: Onsite in Cedar Rapids, IowaWhat You Will DoLead the architecture and design of core software components, libraries, and tooling aligned to avionics system requirementsDrive technical direction and execution across development and verification activities for safety-critical software (DO-178)Define and manage software requirements, decomposition, and traceability across complex systemsDevelop and verify software using modern C++ and object-oriented design principlesOwn and produce DO-178 certification artifacts, including DAL-A deliverablesLead and support certification efforts, including engagement with customers and regulatory authoritiesConduct and contribute to peer reviews to ensure quality, consistency, and compliance across the lifecycleCollaborate cross-functionally with engineering, program leadership, and customers to align technical solutions with program objectivesWilling and able to travel as required (domestic and international