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Updated daily · Sep 16, 2026
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Senior Principal Software Security Engineer

RTX (Raytheon)Tucson, AZFull-time132,400 USD - 251,600 USD

This engineer will help design, implement, integrate, and verify security-focused software for real-time missile applications across embedded computing platforms. The work includes applying system security principles, evaluating performance impacts, and contributing at both architectural and source-code levels. The position sits within Raytheon’s Software Security Sensors and Effectors organization and requires close coordination with systems security, program, and customer teams. It suits an experienced embedded software professional who can connect detailed implementation decisions to broader defense-system objectives. Candidates should be comfortable with security-critical development, real-time operating systems, advanced processors, and highly regulated DoD environments.

Requirements

Bachelor's degree in STEM field plus minimum 10 years of relevant software engineering experienceExpert-level proficiency in C/C++ and embedded systems developmentExperience with Xilinx UltaScale+ MPSoC/Versal or equivalent embedded processorsHands-on embedded software security implementation experienceActive or obtainable Secret-level DoD security clearance with U.S. citizenshipExperience designing real-time security solutions for defense/missile programs
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Listed July 3, 2026 · Verify details with the employer before applying.

About RTX (Raytheon)

Tucson houses Raytheon's missile and defense HQ producing precision-guided systems, and has flight-tested an AI/ML-powered Radar Warning Receiver.

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