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# CNO Vulnerability Researcher

- **Company:** Mantech International Corporation
- **Location:** Herndon, VA, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Confluence, JIRA, C++ (Programming Language), Static Program Analysis, Computer Networks, Software Debugging, Linux, Dynamic Program Analysis, Python (Programming Language), Network Security, Scrum Methodology, Reverse Engineering, WinDBg, SC Clearance, IDA Pro, Atlassian Tools, Reverse Engineering Software, Vulnerability Analysis
- **Published:** October 26, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3466740112&tx=VT6459TTT&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

* Bachelor's degree and 3+ years of relevant experience, or High School Diploma and 7+ years of relevant experience
 * Experience with with low-level internals in Windows or Linux within the last 3 years
 * Experience in C/C++, Python and Assembly (x86/x64) programming
 * Experience in vulnerability research
 * Experience in exploit development
 * Experience in reverse engineering and common security research tools such as IDA Pro, WinDBG, Ghidra, Radare, Binary Ninja, SysInternals, GDB, or similar
 * Experience with CNO capability development

Preferred Qualifications:

 * Experience developing fuzzers and static analysis tools
 * Experience with modern security system features
 * Experience using Atlassian products (JIRA, Confluence, Crucible)
 * Experience applying Agile Scrum methodologiesExperience mentoring junior vulnerability researchers

Clearance Requirements:

 * Must have a current/active Secret clearance with the ability to upgrade to a TS/SCI clearance

Physical Requirements:

 * Must be able to remain in a stationary position 50% of the time.

## Description

* Researching and discovering software vulnerabilities across multiple platforms and environments
 * Reverse engineering software to identify security weaknesses and develop mechanism bypasses
 * Performing as a team lead on projects when appropriate, providing technical guidance and mentorship
 * Managing the design, development, documentation, testing, and debugging of user land and kernel software and systemsResearching and maintaining proficiency in tools, techniques, countermeasures, and emerging trends in computer network vulnerabilities, static and dynamic program analysis, network security, and encryption
 * Communicating project status, findings, and risk considerations with leadership and customers