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# Android Cno Developer

- **Company:** Markon, LLC.
- **Location:** Dulles, VA, United States
- **Experience:** Experienced
- **Salary:** $250,000.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Android Software Development, Unix, C++ (Programming Language), Mobile Application Development, Network Sockets, Computer Programming, Custom Software, Data Structures, Software Debugging, File Systems, GNU Linker, Python (Programming Language), NT File System (NTFS), Reverse Engineering, Simple Data Format, Mobile Security, Transmission Control Protocol (TCP), User-Centered Design, WinDBg, Plex, Gitlab, Git, Build Management, Selinux, Information Technology, IDA Pro, Objective C++, Software Version Control, Vulnerability Analysis
- **Published:** July 17, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9036125/android-cno-developer

## About the Role

* 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., * 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.

## Description

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.

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


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