Principal CNO Developer

CNO Developer (Principal)

Location: Hanover, MD or San Antonio TX (On-Site)

Ring0 Technologies (“Ring Zero”) is hiring an advanced CNO Analyst/Programmer who is passionate about cyber security.  This engineer will be integrated into a cutting-edge cyber security team and will be thrust into performing in the most challenging computer environments.

Security Requirement: US Citizen with a Top Secret/SCI Clearance/Polygraph Required

Work duties:

• Research and discover new software vulnerabilities

• Research new and novel techniques for discovering software vulnerabilities

• Developing and maintaining tools to assist in vulnerability research

• Designing software to meet customer requirements

• Working in an Agile Scrum team environment

• Writing unit and system tests

• Writing software documentation

Required work experience:

• 8+ years experienced programming using C, C++, and Python

• 8+ years on-depth experience with at least one operating system’s internals

• 8+ years Windows development experience (Visual Studio)

• 8+ years’ experience supporting CNO development

• 5+ years experienced programming or reverse engineering x86, x64, ARM, MIPS, or PowerPC assembly

• Experienced with programming and debugging tools such as: IDA Pro, gcc, gdb, OllyDbg

• Experienced with software vulnerabilities such as: stack overflows, heap overflows, use after free, race conditions, numeric overflows, input validation

• Experienced with platform security techniques such as: Stack Canaries, Safe SEH, ASLR, DEP, CFG

• Experience developing code that can execute on older Windows platforms, as well as recent

• Experience developing and debugging Windows Drivers

• Experience in automated testing frameworks

• Experience with Powershell

• Understanding of Visual Studio property sheets

Desired work experience:

• Experienced with one or more of the following: POSIX, Berkley Sockets, Pthreads, STL, Device Drivers, Win32, WinSock, Crypto, Kernel Development, Mac or Windows

• Experienced with Virtual Machine software such as: VmWare, Virtualbox, QEMU