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# iOS-Savvy CNO Developer - (TS/SCI w/ Poly)

- **Company:** Parsons Corporation
- **Location:** Annapolis Junction, MD, United States
- **Experience:** Expert
- **Salary:** $74,800.0 - $130,900.0
- **Contract:** Permanent contract
- **Skills:** Embedded Software, Firmware, Fuzz Testing, Python (Programming Language), Reverse Engineering, Software Engineering, IDA Pro, Vulnerability Analysis
- **Published:** September 7, 2026
- **Apply:** https://parsons.wd5.myworkdayjobs.com/Search/job/US---MD-Annapolis-Junction/iOS-Savvy-CNO-Developer_R178244

## About the Role

* TS/SCI with Polygraph required
 * 5+ years of software engineering, reverse engineering, or vulnerability research experience with C and Python
 * Experience with reverse engineering
 * Experience with vulnerability research
 * Experience with iOS internals development or analysis

What Desired Skills You'll Bring:

 * Experience with vulnerability research (e.g., exploit development, fuzzing, or security analysis of embedded systems)
 * Familiarity with common RE tools and environments (e.g., IDA Pro, Ghidra, binary analysis platforms)
 * Experience in CNO or related cybersecurity operations

## Description

Are you looking to make great use of your iOS Reverse Engineering (RE) and vulnerability research (VR) skills, while continuing to sharpen them? If you're hungry to support an amazing mission, work as a team to leverage your skills to make a difference and learn from / collaborate with our existing iOS / vulnerability research / reverse engineering subject matter experts, we have the perfect position for you to help start a new stage of your career at Parsons!

You'll get the opportunity to do RE, VR, and prototype development to support a critical customer mission and develop much needed capabilities. You'll get to work at the customer site, integrated into the customer's team which includes several subject matter experts, learning from their mentorship to grow your skills and support our customer's mission. Your iOS and CNO skills will be stretched to the limit as you utilize your creativity to discover new solutions to problems, implement capabilities, and help better protect our country.

What You'll Be Doing:

 * Conduct reverse engineering of embedded systems, binaries, and firmware.
 * Design, develop, and implement embedded software capabilities in C.
 * Apply vulnerability research and CNO skills to discover and implement novel solutions.
 * Work on-site at a contractor facility, fully integrated into a small, expert team.
 * Collaborate with senior subject matter experts and leverage their mentorship to expand your skills.
 * Contribute to efforts that directly enhance national security and protect critical systems.


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