Windows CNO Developer

M9 Solutions is seeking a Windows CNO Developer to work on-site in support of a government contract for a client located in Herndon, VA. An active TS/SCI with Full Scope Polygraph clearance is required., * Design, develop, and maintain CNO/CNE capabilities targeting Windows systems.

• Implement low-level functionality in C, interacting with Windows internals (WinAPI, processes/threads, memory management).
• Debug, test, and harden capabilities for use in real-world operational environments.
• Collaborate with operators, analysts, and fellow developers to refine and extend capabilities based on mission needs.
• Document designs and implementations in a manner appropriate for secure, classified environments.

• Active TS/SCI with Full Scope Polygraph clearance.
• 3+ years of experience in CNO/CNE development, exploit development, or related offensive cyber work focused on Windows.
• Strong C programming skills (low-level/system-level development).
• Solid understanding of Windows internals (memory management, APIs, process injection, etc.).
• Experience developing, debugging, and troubleshooting in Windows environments.
• Experience with reverse engineering tools (e.g., IDA, Ghidra, x64dbg).
• Background in vulnerability research, exploit development, or malware development.
• Scripting experience (Python or similar) for tooling and automation.

With 15+ years of proven delivery and growth, M9 Solutions is a unique small business with credible past performance and key capabilities offering project management services, solution architects, business analysts, program managers, technical architects, and technical consultants. M9 was recognized as an Inc. 5000 Fastest-Growing Private Companies in 2021, 2020, 2019, 2018, 2017, 2016, and 2012. M9 Solutions believes that work should be fun, rewarding, and something everyone can be excited about. We offer a competitive compensation package and value diverse perspectives in driving the vision of the company.

M9 Solutions is dedicated to providing IT services and solutions to the Federal Government by mobilizing the right people, skills, clearance levels, and technologies to help organizations who desire improved performance and modern, sustainable change. M9 has provided quality IT services and support to more than 30 Federal Agencies and multiple commercial customers nationwide. Our capabilities include digital transformation, software development, cloud migration, applications & infrastructure, cybersecurity, data delivery & analytics, and IT talent solutions., M9 Solutions is a proud participant in the Virginia Values Veterans (V3) program and supports the Military Medics and Corpsmen (MMAC) initiative, demonstrating our commitment to hiring and supporting veterans, transitioning service members, military spouses, and dependents.