Demo

Senior CNO Developer

Research Innovations
Saint Petersburg, FL Full Time
POSTED ON 9/15/2026
AVAILABLE BEFORE 1/12/2027

Position Title: Senior Security Researcher
Location: St. Petersburg, FL \u007C 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 www.researchinnovations.com/external-referrals!
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.
#LI-AC1

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Benefits:

Maternity & Paternity Leave

Salary : $101,818 - $159,365

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior CNO Developer?

Sign up to receive alerts about other jobs on the Senior CNO Developer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$108,098 - $130,480
Income Estimation: 
$131,611 - $156,576
Income Estimation: 
$120,936 - $155,014
Income Estimation: 
$131,745 - $167,716
Income Estimation: 
$144,503 - $184,592
Income Estimation: 
$102,541 - $137,871
Income Estimation: 
$153,752 - $200,235
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Research Innovations

  • Research Innovations Aberdeen, MD
  • Position Title: Principal Radio Frequency Engineer Location: Onsite at Aberdeen Proving Grounds Clearance Requirement : Top Secret / With SCI eligibility E... more
  • 10 Days Ago

  • Research Innovations San Antonio, TX
  • Position Title : Skillbridge Security Researcher Location : St. Petersburg, FL | Melbourne, FL | San Antonio, TX Clearance Requirement : Top Secret/SCI Res... more
  • 10 Days Ago

  • Research Innovations Alexandria, VA
  • Position Title: Assembly & Test Technician Location: Alexandria, VA Clearance Requirement: Secret, TS-SCI preferred Employment type: Skillbridge Internship... more
  • 15 Days Ago

  • Research Innovations Petersburg, FL
  • Position Title : Senior Security Researcher Location : St. Petersburg, FL Clearance Requirement : Top Secret/SCI Employment type : Full Time Research Innov... more
  • Just Posted


Not the job you're looking for? Here are some other Senior CNO Developer jobs in the Saint Petersburg, FL area that may be a better fit.

  • GIS National LLC Saint Petersburg, FL
  • Job Description. Job Description. Description. Job Summary. The Senior AI Developer will establish our strategic use of AI technologies. The AI Developer w... more
  • 27 Days Ago

  • Raymond James Financial Inc Petersburg, FL
  • Job Description Summary Raymond James is seeking a highly skilled and self-motivated Senior Front-End Developer with strong expertise in Angular, TypeScrip... more
  • 1 Day Ago

AI Assistant is available now!

Feel free to start your new journey!