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# Expert CNO Developer

- **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, Software Quality, Software Debugging, Networking Hardware, Python (Programming Language), Network Security, Network Protocols, Program Analysis, Reverse Engineering, Data Streaming, TCP/IP, Computer Network Operations, Software Troubleshooting, Atlassian Tools, Programming Languages
- **Published:** October 4, 2026
- **Apply:** https://www.clearancejobs.com/jobs/8856317/expert-cno-developer

## About the Role

* BS degree in a relevant technical discipline and 12+ years of technical work experience, or MS Degree in a relevant technical discipline and 10+ years of technical work experience, or PhD in a relevant technical discipline and 8+ years of technical work experience, or High school diploma and 16+ years of technical work experience
 * Experience in Python and C/C++ programming languages
 * 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 managing and leading the development of technical CNO solutions, * Experience in software analysis or reverse engineering
 * Experience with assembly language programming concepts
 * Experience with unit testing frameworks and practices
 * Experience using Atlassian tools (JIRA, Confluence, Crucible)

Clearance Requirements:

 * 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

Physical Requirements:

 * Must be able to remain in a stationary position at least 50% of the time.

## Description

* Designing and developing new hardware- or software-based Computer Network Operations (CNO) capabilities
 * Managing the design, development, documentation, testing, and debugging of software applications and systems
 * Design and develop end-to-end data flow and tasking for CNO tools developed
 * Applying expert knowledge of network and security concepts to support capability development
 * Communicating status updates and technical progress to leadership and stakeholders
 * Ensuring software quality and compliance with development standards