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# Principal/Sr. Principal Cyber Software Engineer

- **Company:** Northrop Grumman
- **Location:** San Antonio, TX, United States
- **Experience:** Expert
- **Salary:** $113,900.0 - $170,900.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Agile Methodology, Android Software Development, Apple IOS, Assembly Language, C++ (Programming Language), Computer Programming, Computer Engineering, Continuous Integration, Software Debugging, Linux, Emulators, Github, Systems Analysis, Joint Test Action (IEEE Standards), Linux Kernel, Network Programming, Network Protocols, Systems Development Life Cycle, Quick EMUlator (QEMU), Reverse Engineering, Security Software, Software Configuration Management, Software Engineering, TCP/IP, Wireshark, Virtual Machines, Web Applications, WinDBg, Scripting, Transport Layer Security, Gitlab, Git, SC Clearance, Gitlab-ci, Information Technology, IDA Pro, Software Version Control, Jenkins, Vulnerability Analysis
- **Published:** October 26, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3466714007&tx=KR4141FFF&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

We are seeking cleared mid-level Software Engineers who are self-motivated and energetic, with a background in Computer Engineering, Computer Science, or related technical disciplines., * B.S. degree in Computer Science, Computer Engineering, or related field and 5 years of programming experience, or M.S. degree in Computer Science, Computer Engineering and 3 experience.

 * US Citizenship is required
 * An active Secret clearance is required
 * Ability to obtain and maintain and Top Secret clearance.
 * Demonstrated software programming experience in C/C++ Experience with debugging and/or system analysis tools (e.g., Wireshark, IDAPro, OllyDebug, WinDBG, JTAG debuggers)
 * Experience as Technical Lead leading teams of 2-8 engineers, * B.S. degree in Computer Science, Computer Engineering, or related field and 8 years of programming experience, or M.S. degree in Computer Science, Computer Engineering and 6 experience.
 * US Citizenship is required
 * An active Secret clearance is required
 * Ability to obtain and maintain and Top Secret clearance.
 * Demonstrated software programming experience in C/C++ Experience with debugging and/or system analysis tools (e.g., Wireshark, IDAPro, OllyDebug, WinDBG, JTAG debuggers)
 * Experience as Technical Lead leading teams of 2-8 engineers, * Active TS/SCI security clearance
 * Advanced degree in Computer Science, Computer Engineering, or related field
 * Experience in software development to include any of the following: kernel mode, embedded, command and control, web applications, network applications
 * Experience with SDLC (software development life cycle)
 * Familiarity with Assembly Languages (e.g., x86, x64, MIPS, PPC, or ARM)
 * Experience with vulnerability research on one or more operating systems (Android, IOS, Windows, Linux, etc.).
 * Experience with emulation (Renode, QEMU, etc.)
 * Experience with reverse engineering compiled binaries using industry-standard tools such as Ghidra or IDA Pro.
 * Experience developing software for multiple operating system environments
 * Experience with virtual machine technology
 * OS Internals experience
 * Development of lower-level networking protocols such as TCP/IP and UDP
 * Understanding of return-oriented programming (ROP) concepts and execution
 * Ability to develop and implement shell code.
 * Ability to understand secure / insecure programming concepts (format string vulnerabilities, heap overflows, etc.)
 * Familiarity with modern source control platforms (e.g., Git, GitHub, GitLab) and CI/CD workflows using tools such as Jenkins, GitHub Actions, and GitLab CI.
 * Experience with the Agile methodology

## Description

This position involves developing solutions to national security threats with products that may involve kernel development, reverse engineering, or vulnerability research of network and communication systems. The position requires solid software development skills, including familiarity with scripting languages. Knowledge of computer networking, modern software development environments, embedded programming, and software configuration management tools is a plus., * Kernel Mode (Windows, Linux) programming (C/C++, Assembly)

 * Reverse Engineering (x86, x64, MIPS, PPC, or ARM)
 * Vulnerability Analysis
 * Communications Engineer: Network Programming (C/C++)Network protocols TCP/IP, UDP, HTTP, SSL, etc...
 * Infrastructure Engineer