Raytheon Company, Managed by Collins Aerospace, is seeking a Senior Principal Software Engineer to join the Protected Communication Systems (PCS) Software Engineering Department. This role involves participating in collaborative, cross-disciplined integrated product teams, employing agile software development techniques. The engineer will be responsible for the full lifecycle of product development, from architecture and design through integration, testing, and field support. The position requires working at the highest software engineering process maturity level recognized by the Software Engineering Institute.