CNO Developer

Research Innovations Inc; San Antonio (TX); On-site; USD 150,000 - 210,000; Full time

Job summary

Research Innovations, Inc. is seeking a Security Researcher to join our Cyber security team in San Antonio, TX. You will build offense-grade software for denied environments and advance CNO capabilities across multiple layers, including kernel and network components.

The role requires active Top Secret/SCI access and willingness to travel as needed. You will work on modernizing tooling, performing deep reverse engineering, and delivering robust software across Windows, Linux, embedded, and

Qualifications

• Experience programming in C and Python.
• Experience developing CNO or exploit capabilities.
• Embedded or firmware development on resource-constrained systems.
• Windows applications using Visual Studio/.NET or UNIX apps using make files.
• Familiarity with Git, Subversion, or CVS.
• Familiarity with CI/CD tools (Jenkins, GitLab, Bamboo).
• Experience using debugging/troubleshooting tools and techniques.
• Software Analysis/Reverse Engineering experience.
• Comfort writing assembly or mixed C/ASM.
• Excellent oral, written, and interpersonal skills.

Responsibilities

• Building offense-grade software for denied, constrained, and adversarial environments.
• Designing, implementing, and debugging CNO capabilities across userland, kernel, and network layers.
• Tearing down, modernizing, and re-engineering legacy and acquired tooling for performance, stealth, and maintainability.
• Developing software that runs where defenders don’t want it (Windows, Linux/Unix, embedded, mobile, and network devices).
• Performing deep binary analysis and reverse engineering across architectures and calling conventions.
• Owning and evolving reproducible build systems, toolchains, and test harnesses.
• Working close to the metal: compilers, loaders, memory, execution flow, and runtime behavior.
• Traveling as determined by the customer.

Skills

C programming

Python

CNO/Exploit development

Embedded/firmware development

Windows development

UNIX development

Git/Subversion/CVS

CI/CD pipelines

Debugging tools

Reverse engineering

Assembly/CASM

Customer communication

Tools

Visual Studio

Makefiles

Job description

Position Title: Security Researcher
Location: San Antonio, TX | 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

• Building offense-grade software that operates in denied, constrained, and adversarial environments
• Designing, implementing, and debugging custom CNO capabilities across userland, kernel, and network layers
• Tearing down, modernizing, and re-engineering legacy and acquired tooling for performance, stealth, and maintainability
• Developing software that runs where defenders don’t want it (Windows, Linux/Unix, embedded, mobile, and network devices)
• Performing deep binary analysis and reverse engineering across architectures and calling conventions
• Owning and evolving reproducible build systems, toolchains, and test harnesses
• Working close to the metal: compilers, loaders, memory, execution flow, and runtime behavior
• Traveling as determined by the customer

WHAT YOU HAVE DONE

• Experience programming in C and Python
• 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

At RII, we believe that diversity in our workforce is critical to our success. We strive to hire great people from a wide variety of backgrounds, not just because it’s the right thing to do, but because it makes us stronger. We work to help your intellectual passions and creativity thrive. It’s one of our core values: Let your geek flag fly.

We also offer all employees comprehensive benefits including: flexible work schedules, health insurance coverage, paid time off, 401k with a company match, paid parental leave, access to wellness programs and much more. You get this all from day one, and all paid for by RII.

It’s all part of another of our core values: Stay human. It’s why our comfortable and colorful offices such as our headquarters, include a community game room, pantry, massage chair, and an escape room, among other amenities. It’s why we have community ambassadors and regular community events.

Research Innovations, Inc. is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender, gender identity or expression, national origin, genetics, disability status, protected veteran status, age, or any other characteristic protected by state, federal or local law.