Sr Principal Software Engineer -Core Systems & Libraries; Onsite

Position Overview

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.

• 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 quality, consistency, and compliance across the lifecycle
• Collaborate cross‑functionally with engineering, program leadership, and customers to align technical solutions with program objectives
• Willing and able to travel as required (domestic and international