Senior CNO Developer

Markon•Fort Meade, MD

50d•$190,000 - $215,000

About The Position

Markon is seeking a highly technical Senior CNO Software Engineer to support advanced cyber operations and national security missions for the Fort Meade Customer. This role focuses on designing and developing advanced CNO capabilities, leveraging deep expertise in low-level systems, networking, and software engineering. The engineer will work in a collaborative, mission-focused environment to solve complex technical challenges and deliver impactful cyber solutions.

Requirements

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

Nice To Haves

Experience developing CNO capabilities or cyber tools.
Experience with software analysis, vulnerability research, or reverse engineering.
Understanding of assembly language concepts.
Experience developing unit and integration tests.
Familiarity with Atlassian tools (JIRA, Confluence, Crucible).
Experience supporting CI/CD pipelines and DevSecOps practices.
Relevant industry certifications (e.g., PCEP, C++ certifications, security-related certifications).

Responsibilities

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