Senior CNO Developer (Cyber263)

Position Title: Senior Security Researcher Location: St. Petersburg, FL | Melbourne, FL Clearance Requirement: Top Secret/SCI Employment type: Full Time

Research Innovations Inc. (RII) is redefining defense technology. We combine mission-driven impact with cutting-edge research and a culture that values autonomy, creativity, and technical excellence.

We are looking for a committed CNO Developer to join our Cyber security team. You will solve uniquely challenging problems for our Defense and Homeland Security customers.Get s#it done.

This position requires an Active US Top Secret security clearance, and the ability to upgrade to TS/SCI Special Access Program access

WHAT YOU WILL BE DOING

• Build offense-grade software that operates in denied, constrained, and adversarial environments
• Design, implement, and debug custom CNO capabilities across userland, kernel, and network layers
• Tear down, modernize, and re-engineer legacy and acquired tooling for performance, stealth, and maintainability
• Develop software that runs where defenders don’t want it (Windows, Linux/Unix, embedded, mobile, and network devices)
• Perform deep binary analysis and reverse engineering across architectures and calling conventions
• Own and evolve reproducible build systems, toolchains, and test harnesses
• Work close to the metal: compilers, loaders, memory, execution flow, and runtime behavior
• Travel as determined by the customer

WHAT YOU HAVE DONE

• Significant experience programming in C and Python
• Direct experience developing CNO or exploit capabilities
• Embedded or firmware development experience on resource-constrained systems
• Experience developing in one (1) or more of the following:
• Windows applications using Visual Studio or .NET environments
• UNIX applications using make files or comparable build environments
• Familiarity with software version control tools (e.g., Git, Subversion, or CVS)
• Familiarity with CI/CD pipeline concepts and tools (e.g., Jenkins, GitLab, or Bamboo)
• Experience using software debugging/troubleshooting tools and techniques
• Software Analysis/Reverse Engineering experience
• Comfort writing assembly or mixed C/ASM when the problem demands it
• Excellent oral, written, and interpersonal skills, as well as the ability to effectively interact with customers

EVEN BETTER

• Mentored and coached other engineers or fulfilled the role of Tech Lead
• Experience working across OSI layers, including packet-level analysis and manipulation

REFERRALS

Know someone who would make a great Senior CNO Developer? Refer them at !