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# CNO Developer

- **Company:** Mantech International Corporation
- **Location:** Hanover, MD, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Software Applications, Assembly Language, Confluence, JIRA, Unit Testing, Unix, Software Quality, Computer Programming, Software Debugging, Networking Hardware, Python (Programming Language), Network Security, Network Protocols, Program Analysis, Reverse Engineering, TCP/IP, Software Troubleshooting, Atlassian Tools, Programming Languages
- **Published:** July 7, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9016012/cno-developer

## About the Role

* BS degree and 4+ years of technical work experience, or MS Degree and 2+ years of technical work experience, or High school diploma and 8+ years of technical work experience.
 * Experience in Python or C/C++ programming languages
 * Experience with troubleshooting and debugging

Preferred Qualifications:

 * Experience with networking protocols (TCP/IP) and socket-level programming
 * Experience with developing CNO capabilities
 * Experience with low-level system internals across one or more platforms (e.g., Windows, Unix, Mobile, or network devices)
 * Experience in software analysis or reverse engineering
 * Experience using Atlassian tools (JIRA, Confluence, Crucible)
 * Understanding of assembly language programming concepts
 * Understanding of unit testing frameworks and practices

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

* Design and develop new hardware- or software-based Computer Network Operations (CNO) capabilities
 * Perform design, development, documentation, testing, and debugging of software applications and systems
 * Apply knowledge of network and security concepts to support capability development
 * Communicate status updates and technical progress to leadership and stakeholders
 * Ensure software quality and compliance with development standards


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