TS/SCI Windows CNO Developer

Insight Global; San Antonio (TX); On-site; USD 120,000 - 160,000; Full time

Job summary

Insight Global in San Antonio, TX is seeking a Windows CNO Developer to support design, development, testing, and deployment of advanced cyber capabilities for DoD mission environments. You will build low-level software for Windows, working with drivers, services, and Win32 APIs, focusing on offensive, defensive, and command-and-control operations.

The role requires strong C/C++ experience, deep Windows internals knowledge, and hands-on work with reverse engineering, vulnerability research, or

Qualifications

• TS/SCI
• Strong development experience with C or C++
• Experience with Python and Bash
• Deep understanding of Windows operating system internals
• Ability to work onsite in San Antonio, TX

Responsibilities

• Design, develop, integrate, test, and maintain cyber capabilities for Windows environments
• Develop low-level Windows components, including drivers, DLLs, services, and command-line tools
• Research Windows operating system internals, including kernel-mode operations, APIs, processes, memory, and security features
• Reverse-engineer Windows components and third-party software
• Perform vulnerability research and support exploit or cyber capability development
• Develop software using C, C++, C#, Rust, Assembly, or related languages
• Develop and maintain PowerShell, Python, and Bash scripts
• Use static and dynamic analysis tools to analyze and debug software
• Integrate cyber tools with command-and-control frameworks
• Collaborate with red-team, blue-team, and threat-emulation personnel to test capability effectiveness
• Participate in code reviews and promote secure software development practices
• Develop automated testing, CI/CD, and deployment processes
• Translate complex technical findings into clear, actionable requirements and documentation

Skills

C/C++ development

Python

Bash

Windows Internals

Reverse Engineering

Exploit Development

Cyber Tool Development

Job description

An employer in the San Antonio, TX area is seeking a Windows CNO Developer to support the design, development, testing, and deployment of advanced cyber capabilities for Department of Defense mission environments. This individual will develop low-level software and cyber tools for Windows operating systems. The developer will work with Windows internals, APIs, services, DLLs, drivers, processes, and memory while supporting offensive, defensive, and command-and-control cyber operations. The ideal candidate will have strong C or C++ development experience, a deep understanding of Windows internals and the Win32 API, and hands‑on experience with reverse engineering, vulnerability research, exploit development, or cyber tool development. This is not a traditional web or enterprise application development position.

• Design, develop, integrate, test, and maintain cyber capabilities for Windows environments
• Develop low-level Windows components, including drivers, DLLs, services, and command-line tools
• Research Windows operating system internals, including kernel-mode operations, APIs, processes, memory, and security features
• Reverse-engineer Windows components and third-party software
• Perform vulnerability research and support exploit or cyber capability development
• Develop software using C, C++, C#, Rust, Assembly, or related languages
• Develop and maintain PowerShell, Python, and Bash scripts
• Use static and dynamic analysis tools to analyze and debug software
• Integrate cyber tools with command-and-control frameworks
• Collaborate with red-team, blue-team, and threat‑emulation personnel to test capability effectiveness
• Participate in code reviews and promote secure software development practices
• Develop automated testing, CI/CD, and deployment processes
• Translate complex technical findings into clear, actionable requirements and documentation

REQUIRED SKILLS AND EXPERIENCE

• TS/SCI
• Strong development experience with C or C++
• Experience with Python and Bash
• Deep understanding of Windows operating system internals
• Ability to work onsite in San Antonio, TX