Android CNO Developer with Security Clearance

PLEX Solutions, A Part of Markon is looking for an Android CNO Developer to work in the Dulles, VA area. The Android CNO Developer will solve real-time cyber challenges. We are looking for individuals who enjoy working on a mission-focused team that works very closely with our end users. Responsibilities Duties include:

• Design custom software tools and techniques for the Android platform;
• Be responsible for end-to-end design and development of custom software;
• Diagnose and debug issues using both COTS and GOTS tools;
• Have a firm understanding of how networks work;
• Develop documentation pertinent to operating and supporting developed software and techniques;
• Mentor and lead junior-level developers to accomplish mission objectives;
• Solve real-time cyber challenges Qualifications
• Active TS/SCI w/ Polygraph
• Minimum of 4 years of experience and a related BS Degree is required. (An additional 6 years of related experience may be substituted for a BS Degree)
• Development, testing and debugging Python and C
• Experience in UNIX applications using make files or comparable build environments, mission-applicable platforms.
• Programming CNO tools and techniques
• Network sockets programming and expert packet-level understanding of IP, TCP, and application-level protocols.
• Tracing code execution in a debugger (WinDbg/gdb/IDA Pro).
• Reverse engineering native binaries.
• Developing proof-of-concept exploit software
• Knowledge of Unix kernel internals, including the OS runtime linker/loader, object file formats (e.g., ELF), file system internals (e.g., NTFS, ext2, btrfs), OS-specific mandatory and discretionary access control mechanisms, and process and thread APIs and data structures
• Understanding of security protection mechanisms (ASLR, DEP, NX), how to defeat them, and how to detect a defeat
• Working with version control software such as git, Gitlab, etc.

Preferred Qualifications

• Experience with native-level mobile development
• Experience with vulnerability analysis
• Experience with assembly, preferably ARM
• Understanding of mobile security protection mechanisms, such as SELinux and application sandboxing
• Objective-C, Swift or C++ programming
• Ability to work independently and as part of a team in a fast-paced environment with ever-changing requirements.
• Experience with native-level mobile development.
• Experience with vulnerability analysis
• Experience with assembly, preferably ARM
• Understanding of mobile security protection mechanisms, such as SELinux and application sandboxing
• Objective-C, Swift or C++ programming
• Ability to work independently and as part of a team in a fast-paced environment with ever-changing requirements.
• BS Degree in Computer Science is also highly desired.