grvty · Sterling, Virginia, United States
Skills: Python, Swift
What You’ll Be Owning: GRVTY is seeking an Android Developer with a TS/SCI clearance (you can join the project with a TS or higher clearance and over time will be upgraded to TS/SCI + Poly applicable to this customer) to join one of our top projects in Dulles, VA. We are in need of an Android Developer to join our team to solve real-time cyber challenges. 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; and solve real-time cyber challenges. What You Must Have: Active TS/SCI Clearance 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. What Would Be Nice to Have: Experience with native-level mobile development Experience with vulnerability analysis E…
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