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# Senior CNO Python Developer

- **Company:** Mantech International Corporation
- **Location:** Hanover, MD, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Software Applications, Unit Testing, Software Quality, Computer Programming, Software Debugging, Python (Programming Language), Network Security, Network Protocols, Data Streaming, TCP/IP, Computer Network Operations, Software Troubleshooting
- **Published:** October 22, 2026
- **Apply:** https://dejobs.org/x/x/3D80622E43434FAF91F8CD6B0A549B65/job/

## About the Role

* BS degree in a technical discipline and 8+ years of technical work experience, or MS Degree in a technical discipline and 6+ years of technical work experience, or High school diploma and 12+ years of technical work experience
 * 5 + years of Python programming experience
 * Experience with troubleshooting and debugging
 * Experience with networking protocols (TCP/IP) and socket-level programming, * Experience in Java
 * Experience with unit testing frameworks and practices
 * Experience with developing CNO capabilities

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

MANTECH seeks an experience and mission focused Senior CNO Python Developer to join our team in Hanover, MD.

In this role, you will contribute to the development of mission-critical cyber capabilities and lead efforts in advanced Computer Network Operations (CNO) and drive technical excellence in CNO development. You'll be part of a dynamic team working on next-generation solutions that safeguard national security systems.

Responsibilities include but are not limited to:

 * Designing and developing 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