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Windows CNO Developer

System One Holdings, LLC

Posted today

Job Requirements

Herndon, VA
Top Secret/SCI CI Polygraph
Mid Level Career (5+ yrs experience)
$250,000 - $350,000

Job Description

Job Title: Windows CNO Developer
Location: Herndon, Virginia
Type: Direct Hire / Salaried
Contractor Work Model: Onsite
Security Clearance: CI Poly needed to start

Responsibilities
• Develop and implement offensive cybersecurity tools and techniques in C/C++ on Windows platform, with a focus on CNO (Computer Network Operations) activities.
• Design, write, and optimize code in C, C++, Objective-C, Swift, and Python to support offensive operations and reverse engineering tasks.
• Utilize debugging tools such as WinDbg and reverse engineering tools like IDA Pro, Ghidra, Binary Ninja to analyze and improve code functionality.
• Analyze network protocols, sockets, and OS internals to identify vulnerabilities and exploit mitigation techniques such as DEP and ASLR.
• Collaborate with team members to develop and refine offensive cyber capabilities, ensuring adherence to best practices and security standards.

Requirements
• Minimum of 3+ years of experience developing in C/C++ on Windows, with a focus on offensive cybersecurity work (e.g., CNO, CNE, CNA).
• Experience with designing, coding, and debugging in C, C++, Objective-C, Swift, and Python.
• Proficiency with assembly language reading/writing (x86, x64) and tools such as WinDbg, IDA Pro, Ghidra, Binary Ninja.
• Understanding of network protocols, sockets, OS internals, and exploitation mitigation techniques (DEP, ASLR).
• Experience with version control systems like Git and understanding of configuration management principles.
• Ability to work on an onsite environment in Herndon, VA
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About Us
System One is a leading provider of specialized, highly technical outsourced services, workforce solutions, staffing, and recruiting to critical infrastructure, technology, life sciences, and government sectors As an essential partner to private and public organizations of various needs and sizes, we offer our expertise to help them bring their most complex and mission-critical programs to fruition. With our highly specialized services, in-demand technical skills, and vast operational expertise, we can deliver accelerated results that benefit our clients and the job seekers who partner with us.

System One Holdings, LLC Jobs


Job Category
IT - Software
Clearance Level
Top Secret/SCI