Sr Principle Software Engineer- Core Systems & Libraries (Remote) PART TIME

Date Posted: 2026-08-07 Country: United States of America Location: US-FL-REMOTE Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract. Security Clearance Type: None/Not Required Security Clearance Status: Not Required Design the Foundation of Next-Generation Avionics Join 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 Senior 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. This is a part-time position with a scheduled workweek of 30 hours . What You Will Do Lead the architecture and design of core software components, libraries, and tooling aligned to avionics system requirements Drive 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 systems Develop and verify software using modern C++ and object-oriented design principles Own and produce DO-178 certification artifacts, including DAL-A deliverables Lead and support certification efforts, including engagement with customers and regulatory authorities Conduct and contribute to peer reviews to ensure