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# CNO Developer - (Android/iOS)

- **Company:** Rhysen Workforce Solutions LLC
- **Location:** South Riding, VA, United States
- **Salary:** $200,000 - $250,000
- **Contract:** Permanent contract
- **Skills:** C (Programming Language), Business Analytics Applications, Apple IOS, C++ (Programming Language), Mobile Application Development, Network Sockets, Cyber Security, Computer Programming, Software Debugging, Mobile Application Software, Python (Programming Language), Reverse Engineering, Software Engineering, System Programming, Git, Selinux, IDA Pro, Operating System Security, Software Version Control, Vulnerability Analysis
- **Published:** October 25, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=ab8e98943b6d66fe

## About the Role

* TS/SCI Clearance is mandatory
 * Advanced software development experience in C, C++, and Python.
 * Experience developing native software for Android and/or iOS platforms.
 * Experience with exploit development and memory corruption research.
 * Strong understanding of kernel internals and low-level debugging.
 * Strong knowledge of UNIX/Linux internals and systems programming.
 * Experience with network socket programming and protocol analysis.
 * Experience with reverse engineering tools such as IDA Pro, Ghidra, LLDB, GDB, Frida, or equivalent.
 * Knowledge of modern operating system security protections, including ASLR, DEP/NX, sandboxing, code signing, pointer authentication, etc., and associated bypass techniques.
 * Experience with version control systems such as Git.

Desired Experience

 * Mobile vulnerability research across Android and iOS.
 * Experience with ARM64/AArch64 assembly language.
 * Experience with dynamic instrumentation and hooking frameworks (e.g., Frida).
 * Familiarity with Android security mechanisms, including SELinux, Verified Boot, sandboxing.
 * Familiarity with iOS security architecture, including XNU, AMFI, Secure Enclave, code signing, entitlements, sandboxing.
 * Experience with mobile exploit chaining and post-exploitation techniques.
 * Experience developing offensive tools supporting operational environments.
 * Ability to work independently in a fast-paced, highly technical environment.

Pay: $200,000.00 - $250,000.00 per year

Application Question(s):

 * Do you have hands-on experience developing native software for Android and/or iOS platforms?
 * Do you have hands-on experience with vulnerability research, exploit development, and memory corruption research in a low-level systems environment?

## Description

* Design, Develop, and Deploy: Design, develop, test, and deploy custom CNO capabilities for Android and iOS platforms.
 * Software Development: Develop, test, and debug software using C, C++, Python, and mobile native development environments.
 * Vulnerability Research: Conduct vulnerability research, exploit development, and proof-of-concept creation.
 * Kernel and User-Space Debugging: Perform kernel- and user-space debugging using industry-standard debugging tools.
 * Reverse Engineering: Reverse engineer native binaries, operating system components, and mobile applications.
 * Operating System Research: Research mobile operating system internals, kernel subsystems, and platform security mechanisms.
 * Application Analysis: Perform application analysis, behavioral analysis, and software instrumentation.
 * Low-Level Analysis: Trace execution using low-level tooling to identify, isolate, and resolve complex technical issues.
 * Technical Documentation: Produce technical documentation supporting operational deployment and long-term sustainment.
 * Technical Leadership: Mentor junior engineers and collaborate with multidisciplinary technical teams.