Senior OS Security Software Engineer (C/C++, OS Internals)

Nightwing; Huntsville (AL); On-site; USD 120,000 - 190,000; Full time

Job summary

Nightwing is seeking a seasoned Software Developer (System Security) to join the Products team and deepen OS-level security for Windows, Linux, and VxWorks environments. You will work on security features, cryptographic bindings, and detection and response mechanisms to protect mission-critical systems deployed for defense and intelligence programs.

This role targets experienced systems programmers who relish OS internals, kernel development, and low-level engineering, with a must-have Secret

Qualifications

• 5+ years of professional software development experience in systems-level programming.
• Expert-level C/C++ skills with memory management, pointers, and low-level programming concepts.
• Strong OS-level systems programming experience; you've built more than desktop applications and understand OS internals.
• Debugging complex systems issues using tools like gdb, WinDbg, Visual Studio Debugger, or similar to diagnose crashes, memory corruption, and system-level problems.
• Version control proficiency (Git) in a team environment.
• Self-directed learning ability - proven track record of independently mastering new technical domains.

Responsibilities

• Develop OS-level security features that operate deep within the operating system.
• Build detection and response mechanisms to counter advanced threats.
• Implement cryptographic binding of sensitive software to trusted hardware.
• Create system lockdown capabilities that minimize attack surface.
• Integrate with Hardware Root of Trust (HRoT) solutions.
• Protect against sophisticated attacks from well-funded adversaries.
• Support multi-OS platforms (Windows, Linux, VxWorks).
• Learn kernel programming and driver development on the job with mentorship from senior engineers.

Skills

Years of systems programming

C/C++ expertise

OS internals knowledge

Debugging skills

Git proficiency

Self-learning ability

Tools

GDB

WinDbg

Visual Studio

Job description

Nightwing is seeking a seasoned Software Developer (System Security) to join the Products team and deepen OS-level security for Windows, Linux, and VxWorks environments. You will work on security features, cryptographic bindings, and detection and response mechanisms to protect mission-critical systems deployed for defense and intelligence programs.

This role targets experienced systems programmers who relish OS internals, kernel development, and low-level engineering, with a must-have Secret