CNO Developer

Socket.dev; San Antonio (TX); On-site; USD 120,000 - 190,000; Full time

Benefits offered by this job

Flexible work schedules

Health insurance

401(k) with company match

Parental leave

Job summary

Research Innovations, Inc. (RII) is seeking a Security Researcher to join our Cyber security team in the United States. The role focuses on building offense-grade software for defense and homeland security customers, requiring an active Top Secret/SCI clearance or ability to upgrade.

You will develop CNO capabilities across multiple layers and travel as needed. The position emphasizes deep reverse engineering, embedded system work, and modernizing legacy tooling.

Qualifications

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

Responsibilities

• Build offense-grade software for denied, constrained environments.
• Design, implement and debug CNO capabilities across userland/kernel/network.
• Tear down and re-engineer legacy tooling for performance and maintainability.
• Develop software for Windows, Linux/Unix, embedded, mobile, and network devices.
• Perform deep binary analysis and reverse engineering across architectures.
• Own reproducible build systems, toolchains, and test harnesses.
• Work close to the metal: compilers, loaders, memory, runtime behavior.
• Travel as determined by the customer.

Skills

C programming

Python

CNO development

Embedded/firmware

Windows/.NET

UNIX makefiles

Git/Subversion/CVS

CI/CD (Jenkins/GitLab/Bamboo)

Debugging tools

Reverse engineering

Assembly language

Tools

Git

Subversion

Jenkins

GitLab

Bamboo

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.

• flexible work schedules, health insurance coverage, paid time off, 401k with a company match, paid parental leave, access to wellness programs and much more.

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.