Principal Software Engineer
BAE Systems
Nashua, NH · Posted October 23, 2026
More in New Hampshire job market · Aerospace & Defense · Engineering jobs
Pay compared with the market
This listing does not state pay. Across 126 open principal software engineer listings that state pay, the middle half runs $205,500 to $320,000 and the median is $239,000.
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About the job
We are looking for a Principal Software Engineer to lead the development of advanced electronic warfare and secure communications solutions for defense applications. You will mentor teams, collaborate across engineering disciplines, and drive technical leadership. Ideal candidates have significant experience in software development and leadership within complex, mission-critical environments.