> Markdown version of [/jobs/ext/3797176-senior-cno-software-developer](https://www.wearedevelopers.com/jobs/ext/3797176-senior-cno-software-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). --- # Senior CNO Software Developer - **Company:** JOSEF GROUP INC - **Location:** Columbia, MD, United States - **Experience:** Expert - **Salary:** $200,000.0 - $250,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Artificial Intelligence, C++ (Programming Language), Cloud Computing, Cyber Security, Computer Programming, Linux, Python (Programming Language), Rapid Prototyping Process, Reverse Engineering, Vulnerability Analysis - **Published:** October 17, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-cno-software-developer-columbia-md--a068834c-a917-48bd-bbb8-cfbab9493c2b ## About the Role * U.S. Citizen with an active TS/SCI clearance and polygraph * Bachelor's degree (or equivalent experience) with 7-10+ years of relevant experience * Strong experience with C/C++ and Python * Experience programming in Assembly (any architecture) * Background in vulnerability research, reverse engineering, or exploit development, * Experience with cybersecurity, AI/ML, cloud computing, or full-stack development * Familiarity with Linux, Windows, or mobile platforms * Experience with x86, ARM, or MIPS Assembly * DoD 8570/8140 IAT Level II certification (CySA+, GSEC, SSCP, GICSP, etc.) ## Description Senior CNO/Software Developer Columbia, MD TS/SCI CI Poly $200K to $250K Responsibilities:Support mission operations through embedded engineering, capability integration, and rapid prototypingDevelop and integrate cutting-edge CNO capabilitiesResearch software and hardware vulnerabilitiesDocument findings and present technical recommendationsBuild proof-of-concept tools and software prototypesRequired Qualifications:U.S. Citizen with an active TS/SCI clearance and polygraphBachelor's degree (or equivalent experience) with 7-10+ years of relevant experienceStrong experience with C/C++ and PythonExperience programming in Assembly (any architecture)Background in vulnerability research, reverse engineering, or exploit developmentPreferred Qualifications:Experience with cybersecurity, AI/ML, cloud computing, or full-stack developmentFamiliarity with Linux, Windows, or mobile platformsExperience with x86, ARM, or MIPS AssemblyDoD 8570/8140 IAT Level II certification (CySA+, GSEC, SSCP, GICSP, etc.) Senior CNO/Software Developer Columbia, MD TS/SCI CI Poly $200K to $250K Responsibilities:Support mission operations through embedded engineering, capability integration, and rapid prototypingDevelop and integrate cutting-edge CNO capabilitiesResearch software and hardware vulnerabilitiesDocument findings and present technical recommendationsBuild proof-of-concept tools and software prototypesRequired Qualifications:U.S. Citizen with an active TS/SCI clearance and polygraphBachelor's degree (or equivalent experience) with 7-10+ years of relevant experienceStrong experience with C/C++ and PythonExperience programming in Assembly (any architecture)Background in vulnerability research, reverse engineering, or exploit developmentPreferred Qualifications:Experience with cybersecurity, AI/ML, cloud computing, or full-stack developmentFamiliarity with Linux, Windows, or mobile platformsExperience with x86, ARM, or MIPS AssemblyDoD 8570/8140 IAT Level II certification (CySA+, GSEC, SSCP, GICSP, etc.)