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CNO Windows Developer Security Clearance

Job in Chantilly, Fairfax County, Virginia, 20151, USA
Listing for: STEM Solutions & Consultants LLC
Full Time position
Listed on 2026-06-03
Job specializations:
  • Security
    Cybersecurity
Job Description & How to Apply Below
Position: CNO Windows Developer with Security Clearance
CNO Windows Developer We are seeking a highly skilled CNO Windows Developer with strong reverse engineering capabilities to support advanced research, systems development, and threat analysis. This role requires deep knowledge of the Windows operating system internals, low-level programming, and the ability to analyze and deconstruct binaries for vulnerabilities, malware, or undocumented system behavior.

Key Responsibilities:

* Design, develop, and maintain low-level kernel-mode components, drivers, and subsystems for Windows platforms.
* Perform reverse engineering of Windows binaries (both legitimate and malicious) to understand system behavior, exploits, or undocumented APIs.
* Conduct vulnerability research and proof-of-concept exploit development.
* Analyze crash dumps, root cause bugs, and provide kernel-level debugging and troubleshooting support.
* Collaborate with cybersecurity researchers, analysts, and software engineers to support security-focused development efforts.
* Document findings, architecture, and procedures clearly for internal teams or external clients.

Qualifications:

* Active TS/SCI clearance.
* Bachelor's or Master's degree in Computer Science, Computer Engineering, or a related field (or equivalent experience).
* Previous experience in Windows kernel development.
* Proficient in C/C++ for systems-level programming.
* Expertise with reverse engineering tools such as IDA Pro, Ghidra, x64dbg, Win Dbg, and Hex-Rays.
* In-depth understanding of Windows internals (e.g., kernel-mode drivers, memory management, system calls, PE file format).
* Experience with kernel-mode debugging and root cause analysis.
* Familiarity with secure coding practices and low-level exploit mitigation techniques (e.g., Patch Guard, CFG, DEP/ASLR).
* Strong understanding of malware behavior and techniques.

What We Offer:

* Competitive salary and benefits package.
* Opportunities for professional growth and development.
* A collaborative and innovative work culture. Why Us?
* Work on mission-driven technology at the cutting edge of cybersecurity and national defense.
* Join a passionate, elite team of innovators and problem-solvers.
* Competitive compensation and comprehensive benefits.
* Opportunities for career growth and leadership development.
* Be part of a culture that values innovation, collaboration, and continuous learning.
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