> Markdown version of [/jobs/ext/4438409-sr-cno-developer](https://www.wearedevelopers.com/jobs/ext/4438409-sr-cno-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. CNO Developer - **Company:** Shadowgate Partners, Inc. - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Salary:** $69,308.0 - **Contract:** Permanent contract - **Skills:** C (Programming Language), Java (Programming Language), .NET Framework, 4G (Telecommunication), Microsoft Windows, Unix, C++ (Programming Language), Software Debugging, Perl (Programming Language), Python (Programming Language), Microsoft Visual Studio, Network Protocols, OllyDBg, Reverse Engineering, Software Engineering, System Programming, Computer Network Operations, Build Management, IDA Pro - **Published:** October 26, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9247675/sr-cno-developer ## About the Role The ideal candidate is a senior CNO developer with deep systems programming and telecom experience who naturally takes the technical lead and brings others along. Required: - Bachelor's degree plus 8 years of experience, master's degree plus 6 years, or 12 years of relevant experience in the field. - 6+ years programming in Assembly, C, C++, Java, Perl, and/or Python. - 5+ years developing Windows applications (Visual Studio or .NET) and/or UNIX applications (make files or comparable build environments). - 4+ years programming CNO tools and techniques. - Experience with 3GPP specifications and 4G/5G infrastructure. - Understanding of network protocols and sockets, common CNO techniques, exploit mitigations such as DEP and ASLR, and modern software engineering concepts. - Experience with reverse engineering frameworks (e.g., IDA Pro, Ghidra, OllyDbg) and disassemblers/debuggers. - TS/SCI with Full Scope Polygraph. ## Description Our client is seeking a Sr. CNO Developer to take a leading role in designing, developing, testing, and maintaining advanced computer network operations (CNO) capabilities for high-priority mission requirements. The developer sets the technical direction on their work, mentors junior team members, and makes sure tools are ready for operational success., Capability development: - Take a leading role in designing, developing, testing, and maintaining advanced CNO capabilities for high-priority mission requirements. - Build in Windows (Visual Studio/.NET) and UNIX build environments. - Make sure tools are ready for operational success before they are delivered. Technical leadership: - Bring senior technical expertise to design and implementation decisions. - Mentor junior team members.