Principal Software Engineer - Avionics Core (Remote) (Cedar Rapids)

RTX is seeking a Principal Software Engineer for remote work with Collins Aerospace expertise in safety‑critical avionics. You will lead architecture of core software, drive DO‑178 activities, and ensure traceability from requirements to certification. Strong C++ experience and cross‑functional collaboration are essential.

Travel is possible (<10%), with opportunities to engage with customers and regulatory authorities. Bachelor's or higher in STEM and citizenship in the U.S. are required for this role.