> Markdown version of [/jobs/ext/4622157-senior-cno-software-engineer](https://www.wearedevelopers.com/jobs/ext/4622157-senior-cno-software-engineer). 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 Engineer - **Company:** Mantech International Corporation - **Location:** Hanover, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Software Applications, Assembly Language, Confluence, JIRA, Unit Testing, Unix, Computer Programming, Databases, Data Stores, Software Debugging, Networking Hardware, Python (Programming Language), Network Protocols, Program Analysis, Reverse Engineering, TCP/IP, Computer Network Technologies, Software Troubleshooting, Atlassian Tools - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25303_dcc0cfeb3e0e7d55908ddc0643111898 ## About the Role * BS Degree in a technical discipline and 14+ years of technical work experience or High School Diploma and 18+ years of technical work experience * Experience in Python or C/C++ programming * Experience with troubleshooting and debugging complex systems * Experience with low-level system internals across one or more platforms (e.g., Windows, Unix, Mobile, or network devices) * Experience with networking protocols (TCP/IP) and socket-level programming * Experience with developing CNO capabilities, * Experience with programming in assembly languages * Experience in software analysis or reverse engineering * Experience with unit testing frameworks and practices * Experience using Atlassian tools (JIRA, Confluence, Crucible), * Must have a current/active TS/SCI w/Polygraph security clearance and be willing and able to obtain another polygraph prior to start, if required ## Description In this role, you will develop advanced CNO capabilities that directly support national security. You'll work in a collaborative environment focused on solving complex technical challenges in support of our customer's most critical missions., * Design and develop new hardware- or software-based CNO capabilities * Manage the design, development, documentation, testing, and debugging of applications software and systems * Apply expert knowledge of security concepts and network technologies * Develop data queries for existing or proposed databases or data repositories * Develop or implement algorithms to meet or exceed system performance and functional standards