> Markdown version of [/jobs/ext/1743090-firmware-savvy-cno-developer-ts-sci-w-poly](https://www.wearedevelopers.com/jobs/ext/1743090-firmware-savvy-cno-developer-ts-sci-w-poly). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

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

- **Company:** Parsons Corporation
- **Location:** Annapolis Junction, MD, United States
- **Experience:** Experienced
- **Salary:** $103,500.0 - $181,100.0
- **Contract:** Permanent contract
- **Skills:** C (Programming Language), Embedded Software, Firmware, Fuzz Testing, Reverse Engineering, Software Engineering, IDA Pro, Vulnerability Analysis
- **Published:** July 12, 2026
- **Apply:** https://dejobs.org/x/x/F38678D78A6E46728592C593214A0CFA/job/

## About the Role

* 5+ years of professional experience in software engineering, reverse engineering, or vulnerability research (or 3+ years of experience with a Master's degree)
 * Demonstrated experience with reverse engineering (e.g., binaries, firmware, or embedded systems)
 * Strong proficiency in the C programming language
 * Active TS/SCI clearance with polygraph

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

Parsons is seeking a talented Reverse Engineer / Embedded Software Developer who wants to apply and grow their skills on mission-critical work. If you are passionate about reverse engineering (RE), embedded development, and vulnerability research-and you want to work with and learn from leading subject matter experts-this role offers a strong next step in your career.

You will join a high-impact team supporting a critical national security mission. In this role, you will perform hands-on reverse engineering and embedded software development to build capabilities our customer urgently needs. You'll collaborate closely with experienced embedded developers, vulnerability researchers, and RE experts, gaining mentorship while contributing directly to the mission.

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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