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Senior CNO Developer with Security Clearance

MANTECHHanover, MD🇺🇸United StatesPosted Oct 14, 2026

Why This Role Stands Out

You will drive innovation in critical cyber capabilities, leveraging your CNO expertise to develop next-generation solutions that safeguard national security. This hybrid role offers a dynamic team environment where you can grow your skills and make a significant impact on challenging projects. If you are a mission-focused developer with a passion for advanced CNO, this is an excellent opportunity to advance your career.

Quick Overview

Seniority
Mid Senior
Employment type
Employee
Work mode
Hybrid
Location
Hanover, MD, United States
Posted
22 hours ago
TCP/IPAssemblyConfluenceC++JiraPython

Job Description

MANTECH seeks an experience and mission focused Senior CNO 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 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
Minimum Qualifications:
  • 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
  • Experience in Python and C/C++ programming languages
  • Experience with troubleshooting and debugging
  • 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 leading technical CNO solutions

Preferred Qualifications

  • Experience in software analysis or reverse engineering
  • Experience with assembly language programming
  • 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.

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