Senior CNO Developer

Markon

Senior CNO Software Engineer designing and developing advanced CNO capabilities for national security missions. Collaborating in a mission-focused environment to solve complex technical challenges.

Posted 4/30/2026full-timeFort Meade • Maryland • 🇺🇸 United StatesSenior💰 $190,000 - $215,000 per yearWebsite

Tech Stack

Tools & technologies

AssemblyC++LinuxPythonTCP/IPTypeScript

About the role

Key responsibilities & impact

Design, develop, and deploy advanced hardware- and software-based CNO capabilities
Manage the full software development lifecycle, including design, development, testing, debugging, and documentation
Develop and implement algorithms to meet performance and mission requirements
Program in low-level and high-level languages (C, C++, Python, and Assembly as needed)
Analyze OS internals across Windows, Linux, mobile, and network devices
Apply expert knowledge of networking protocols (TCP/IP) and socket-level programming
Debug and troubleshoot complex systems and software applications
Develop data queries for databases and data repositories supporting mission needs
Lead technical efforts and provide guidance on CNO solution development
Collaborate with cross-functional teams to deliver mission-critical capabilities

Requirements

What you’ll need

Active TS/SCI W/ Polygraph through this Customer
Bachelor’s degree in a technical discipline and 14+ years of experience, or High School diploma and 18+ years of experience
Strong experience with Python and/or C/C++ programming
Experience developing CNO capabilities and leading technical efforts
Experience troubleshooting and debugging complex systems
Strong understanding of OS internals (Windows, Linux, mobile, or network devices)
Experience with networking protocols (TCP/IP) and socket-level programming
Experience with modern C++ (e.g., C++11/14, RAII)
Demonstrated technical leadership experience

Benefits

Comp & perks

Medical
Dental
Vision
Life Insurance
Short-Term Disability
Long-Term Disability
401(k) match
Flexible Spending Accounts
EAP
Training and Tuition Assistance
Paid Time Off
Holidays

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

CC++PythonAssemblynetworking protocolsTCP/IPsocket-level programmingdebuggingtroubleshootingdata queries

Soft Skills

technical leadershipcollaborationguidance

Certifications

TS/SCI W/ Polygraph