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Principal Software Engineer

BAE Systems

Merrimack, NH, United States Full-time June 03, 2026
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Opportunity Description

**Job Description**
Join BAE Systems Countermeasure & Electromagnetic Attack Solutions (CEMA) business area and lead the development of the nextgeneration RF software for the P8A Poseidon SelfProtection (P8ASP) program. Building on a $95million U.S. Navy contract, which is BAE s electronicwarfare solution that detects, exploits, and counters advanced missile threats, you will help shape a capability of strategic importance. As a member of the software development team, you will help evolve the RFinterface CSCI and integrate the 3U Direct Digital IRAD capability, delivering the performance and reliability needed to protect the Poseidon crew and enable operations in contested environments.

In this software engineering role you will design, implement, and unittest highperformance RF signalprocessing algorithms using modern C on Linux, and develop supporting tools and scripts in Python for simulation, data analysis, and verification. You will work closely with systems, ha...
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