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

Job 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.

What Required Skills You'll Bring:

• 10+ 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

Security Clearance Requirement:

An active Top Secret SCI w/Polygraph security clearance is required for this position.​

This position is part of our Federal Solutions team.

Salary Range: $125,100.00 - $225,200.00

We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!