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MANTECH

Senior CNO Developer

17 days ago by MANTECH
  • Salary negotiable
  • Hanover, MD, US
  • Full-time
Typical response: within 5 days Secure 1-click apply No spam — we never sell your data
AI summary

Senior CNO Developer role at MANTECH (national security contractor) based onsite in Hanover, MD, building and leading development of mission-critical Computer Network Operations capabilities. You’ll design and deliver advanced cyber tools end-to-end, applying deep systems and networking expertise while driving technical standards and communicating progress to stakeholders. Standout requirement/perk: active TS/SCI with Polygraph is mandatory.

Key skills
PythonC/C++TCP/IP networkingSocket-level programmingLow-level system internals (Windows/Unix/Mobile/network devices)Troubleshooting and debuggingComputer Network Operations (CNO) capability developmentReverse engineering / software analysisAssembly languageAtlassian tools (JIRA, Confluence, Crucible)
Salary not listed — comparable cleared Senior CNO Developer roles in Hanover, MD typically pay around $160k–$230k+ depending on clearance, experience, and program.
You'll thrive here if you’re a mission-focused CNO developer who enjoys hands-on low-level engineering, leading technical solutions, and operating in cleared national-security environments.
Why apply
  • Develop mission-critical cyber capabilities
  • Work on next-generation CNO solutions
  • Support national security systems

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.
Reference: 22541_62304·Original posting
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