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Windows CNO Developer

Parsons

$86,700 - $151,700
Oct 23, 2025
West Melbourne, FL, US
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Parsons is looking for a Cyber Network Operations (CNO) Software Developer to develop cutting edge CNO tools as part of a large research and development program.

Requirements

  • A minimum of 2 years of experience in the design, development, and testing of CNO tools for Microsoft Windows operating systems
  • Experience developing system services using C/C++ using Windows APIs and related frameworks or libraries
  • Proficient with x86-64 Assembly and C/C++
  • Familiarity with basic IP networking concepts such as routing, NAT, DNS
  • Understanding the unique implementation techniques used in CNO tools
  • Experience with Reverse Engineering and RE tools such as Ghidra
  • Familiarity with VR concepts such as shellcode, ROP payloads, etc.

Responsibilities

  • Developing novel capabilities from existing N-day POCs or unproven vulnerability disclosures
  • Modifying existing capabilities to change signatures, add new features, or enhance robustness
  • Working with a Senior CNO Engineer to create tools to enhance the CNO development process to make it faster and more resilient to countermeasures

Other

  • An active Top Secret U.S. government security clearance is required.
  • Ability to grasp system concepts, break concepts into tangible components and understand how existing and future components will fit into a customer’s mission space
  • Familiarity with Git and Gitlab