Cyber Software Engineer

About the role

Northrop Grumman, San Antonio, part of the Mission Systems sector, seeks cleared mid-level Software Engineers who are self‑motivated and energetic, with a background in Computer Engineering, Computer Science, or related technical disciplines. Our team develops new capabilities for military and intelligence customers, designing systems that involve kernel development, reverse engineering, or vulnerability research of network and communication systems to address national security threats.

Essential functions

• 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

Basic qualifications

• B.S. degree in Computer Science, Computer Engineering, or related field and 2 years of programming experience, or M.S. degree in Computer Science, Computer Engineering and 0 experience
• US Citizenship is required
• An active Secret clearance is required
• Ability to obtain and maintain a 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)

Preferred qualifications

• Active TS/SCI security clearance
• Experience as Technical Lead leading teams of 2-8 engineers
• 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

Pay & schedule

• Salary range: $91,800.00 – $137,600.00
• This position offers the option of a 9/80 work schedule (nine-hour day Monday through Thursday with every other Friday off)
• Benefits include health insurance coverage, life and disability insurance, savings plan, Company paid holidays, and paid time off (PTO) for vacation and/or personal business
• Employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay; annual bonuses are designed to reward individual contributions as well as allow employees to share in company results

Relocation assistance: May be available
Clearance required for start: Secret
Travel: Yes, 10% of the time