Developer Jobs in St. Petersburg, Fl | Melbourne

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1mo ago

Senior Security Researcher

Research Innovations St. Petersburg, FL

St. Petersburg, FL

1mo ago Closed

Full time Senior Engineer Engineering

This position is no longer accepting applications (closed Aug 20, 2026).

Job Description

Research Innovations seeks a Senior Security Researcher with Top Secret/SCI clearance to lead the development of offense-grade cyber and network operations software across Windows, Linux/Unix, embedded, and network devices. This onsite role is based in St. Petersburg, FL or Melbourne, FL.

Responsibilities

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

Requirements

Substantial experience programming in C and Python
Direct experience developing CNO or exploit capabilities
Embedded or firmware development experience on resource-constrained systems
Experience with Windows applications using Visual Studio or .NET environments
Experience with UNIX applications using makefiles 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 and troubleshooting tools and techniques
Software analysis and reverse engineering experience
Comfort writing assembly or mixed C/ASM when required
Excellent oral, written, and interpersonal skills with the ability to interact effectively with customers

Technologies

C
Python
Visual Studio
.NET
Git
Subversion
CVS
Jenkins
GitLab
Bamboo
Windows
UNIX
Linux
Makefiles
Assembly language

Benefits

Flexible work schedules
Health insurance coverage
Paid time off
401k with a company match
Paid parental leave
Access to wellness programs

What you will be doing

Develop offense-grade software for denied, constrained, and adversarial environments
Design, implement, and debug custom CNO capabilities across userland, kernel, and network layers
Modernize legacy and acquired tooling for performance, stealth, and maintainability
Create software that runs where defenders do not want it, including Windows, Linux/Unix, embedded, mobile, and network devices
Conduct deep binary analysis and reverse engineering across architectures and calling conventions
Maintain reproducible build systems, toolchains, and test harnesses
Work near the metal, focusing on compilers, loaders, memory, execution flow, and runtime behavior
Travel as required by the customer

What you have done

Substantial experience programming in C and Python
Direct experience developing CNO or exploit capabilities
Embedded or firmware development on resource-constrained systems
Experience with Windows applications using Visual Studio or .NET environments
Experience with UNIX applications using makefiles or similar build environments
Familiarity with version control tools (Git, Subversion, CVS)
Familiarity with CI/CD concepts and tools (Jenkins, GitLab, Bamboo)
Experience using debugging and troubleshooting tools and techniques
Software analysis and reverse engineering experience
Comfort writing assembly or mixed C/ASM
Excellent oral, written, and interpersonal skills with the ability to interact with customers

Even better

Mentored and coached other engineers or served as a Tech Lead
Experience 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!

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