CNO Developer, Level 2

Markon

CNO Developer Level 2 working at Markon to support advanced vulnerability research and develop cyber capabilities. Collaborating within a team for mission-focused cyber initiatives.

Posted 4/29/2026full-timeFort Meade • Maryland • 🇺🇸 United StatesSeniorLead💰 $150,000 - $180,000 per yearWebsite

Tech Stack

Tools & technologies

AndroidAssemblyC++iOSLinuxPythonTCP/IPTypeScript

About the role

Key responsibilities & impact

Conduct vulnerability research on complex software systems, operating systems, and embedded platforms
Perform reverse engineering using tools such as IDA Pro, Ghidra, Binary Ninja, and related technologies
Develop, test, and refine exploits and support their transition into operational capabilities
Analyze OS internals across Windows, Linux, iOS, and Android environments
Develop and analyze low-level code using assembly and languages such as C, C++, and Python
Work across multiple architectures (x86, x64, ARM, PPC, MIPS, etc.)
Analyze and develop solutions for embedded systems and hardware interfaces (e.g., JTAG/BDI)
Evaluate and bypass exploit mitigations such as DEP and ASLR
Analyze and work with network protocols, including TCP/IP stacks, routing protocols, and RF communications
Utilize debugging tools (e.g., gdb, WinDbg, OllyDbg) to analyze system behavior
Design and develop tools for vulnerability discovery, exploitation, and analysis
Collaborate with team members and provide technical guidance on projects

Requirements

What you’ll need

Active TS/SCI W/ Polygraph
Bachelor’s degree in Computer Science, Engineering, or related field with 10+ years of experience
Demonstrated experience with Assembly, C, C++, and/or Python
Strong understanding of operating system internals (Windows, Linux, iOS, Android)
Experience with vulnerability research and exploit development
Experience reading and writing assembly across multiple architectures (x86, x64, ARM, PPC, MIPS, etc.)
Proficiency with reverse engineering tools (e.g., IDA Pro, Hex-Rays, Ghidra, Binary Ninja, objdump)
Experience using debugging tools (e.g., gdb, WinDbg, OllyDbg)
Experience with embedded systems and hardware interfaces (e.g., JTAG/BDI)
Strong understanding of network protocols (TCP/IP, routing protocols, RF communications, etc.)
Knowledge of exploit mitigations such as DEP and ASLR
Experience with modern C++ (e.g., C++11/14, RAII)
Experience building tools to identify, exploit, and operationalize vulnerabilities
Ability to work independently and collaboratively within a team environment.

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

vulnerability researchreverse engineeringexploit developmentassemblyCC++Pythonnetwork protocolsoperating system internalsembedded systems

Soft Skills

collaborationtechnical guidanceindependenceteamwork

Certifications

Active TS/SCI W/ Polygraph