Senior CNO Developer

General information

Requisition # R66215 Locations USA-MD-Annapolis Junction Posting Date 02/19/2026 Security Clearance Required TS/SCI Remote Type Onsite Time Type Full time

Description & Requirements

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Senior CNO Developer to join our team in Annapolis Junction, MD. This is an onsite position.

This position supports mission-critical national security objectives and operates at the intersection of hardware, software, and embedded systems. The role is ideal for engineers who thrive in fast-paced environments and enjoy solving complex, unconventional technical challenges.

Responsibilities include but are not limited to:

• Reverse engineer complex hardware and software systems to understand functionality and identify vulnerabilities.
• Conduct in-depth vulnerability research and exploit development against diverse targets and architectures.
• Develop custom tools and capabilities using Python, C/C++, and Assembly, with emphasis on embedded and resource-constrained systems.
• Perform rigorous code reviews to ensure software quality, security, and performance.
• Build, manage, and troubleshoot advanced Linux-based development and analysis environments.
• Collaborate with highly skilled engineers to design and implement innovative solutions supporting national security missions.

Minimum Qualifications:

• Programming Proficiency and development of applications
  • Strong scripting skills particularly in Python, C, Assembly
  • Experience in embedded systems
• Proven expertise in Advanced Binary Analysis & Reverse Engineering using tools such as Ghidra, IDA Pro, and Binary Ninja
• Demonstrated experience in Vulnerability Research (VR) & Exploit Development
• Linux - Deep expertise in managing, configuring, and troubleshooting; ability to trouble shoot and bypass complex security constraints
• Extensive experience working with embedded architecture (e.g., ARM, MIPS, PowerPC) and RTOS environments.
• Strong proficiency in C/C++ and Assembly, with a deep understanding of operating system internals
• Experience with Access Development

Preferred Qualifications:

• Knowledge of IOT devices
• Networking Skills
• Experience in Virtualization
• Linux Kernal development; Socket
• Integrating security tools into the CI/CD pipeline

Clearance Requirements:

• Must have a current/active DoD TS/SCI.

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