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# SW Engineer Principal

- **Company:** Science Applications International Corporation
- **Location:** North Charleston, SC, United States
- **Salary:** $120,001 - $160,000
- **Contract:** Permanent contract
- **Skills:** C (Programming Language), Assembly Language, C++ (Programming Language), Computer Networks, Custom Software, Software Debugging, GNU Debuggers, Python (Programming Language), Network Security, OllyDBg, Reverse Engineering, Secure Coding, Virtualization Technology, Software Repository, IDA Pro, Production Code, Vulnerability Analysis
- **Published:** November 11, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9307285/sw-engineer-principal

## About the Role

* Bachelors degree and nine (9) years work experience; Masters and seven (7) years of work experience; four (4) years additional work experience in lieu of degree.
 * Proficient with reverse-engineering suites and debugging utilities (e.g., IDA Pro, Ghidra, OllyDbg, GDB).
 * Deep understanding of computer networking protocols, network security methodologies, and application-layer security vulnerabilities.
 * Familiarity with secure coding standards and mitigation strategies against memory corruption vulnerabilities.

Clearance Requirements:

 * An active TS/SCI clearance is required to start.

## Description

* Capability Engineering: Design, develop, and test custom software utilities and scripts to satisfy operational cyber requirements.
 * Low-Level Development: Write and maintain scalable, robust code utilizing C, C++, Python, and Assembly language.
 * Reverse Engineering & Vulnerability Analysis: Analyze software binaries and malware to dissect functions, isolate anomalies, and identify exploitable hardware/software flaws.
 * Operational Testing: Conduct rigorous software containment, isolation, and testing utilizing sandboxes and virtualization environments.
 * Technical Guidance: Provide technical peer reviews of code repositories and mentor junior developers working under the Joint Basic CCD framework.