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# Software Engineer, Senior (TS/SCI w/ Poly)

- **Company:** Parsons Corporation
- **Location:** Annapolis Junction, MD, United States
- **Experience:** Expert
- **Salary:** $103,500.0 - $181,100.0
- **Contract:** Permanent contract
- **Skills:** C (Programming Language), Embedded Software, Firmware, Networking Hardware, Reverse Engineering, Information Technology, Vulnerability Analysis
- **Published:** September 7, 2026
- **Apply:** https://parsons.wd5.myworkdayjobs.com/Search/job/US---MD-Annapolis-Junction/CNO-Developer_R174456-1

## About the Role

Are you passionate about reverse engineering and embedded development-and looking for a role where those skills directly support a high-impact national security mission? At Parsons, you'll tackle challenging technical problems, collaborate with elite experts, and build capabilities that truly matter., * Active TS/SCI with Polygraph (required at time of hire)

 * Bachelor's degree in Computer Science or a related discipline
 + (Additional years of relevant experience may be considered in lieu of a degree.)
 * 5+ years of hands-on experience within a CNO environment:
 + Reverse engineering
 + C programming
 + Network devices
 * Experience supporting the development or analysis of mobile devices

What Desired Skills You'll Bring:

 * Experience with Vulnerability Research (VR)
 * Familiarity with low-level platforms, embedded systems, and/or firmware analysis

## Description

* Apply your reverse engineering, vulnerability research, and embedded development skills on real-world, mission-critical projects.
 * Develop and enhance CNO capabilities that directly support a critical U.S. national security customer.
 * Work onsite, fully integrated with the customer's team, collaborating daily with highly skilled subject matter experts and senior engineers.
 * Continuously learn, experiment, and grow while sharpening your technical toolkit in a fast-paced, mission-driven environment.
 * Use your creativity and CNO development experience to:
 + Analyze complex systems and networked devices
 + Discover novel solutions to challenging technical and operational problems
 + Implement high-quality, reliable capabilities that help protect the country

You'll be joining a tight-knit, highly technical team where your ideas are heard, your skills are valued, and your work has visible impact.


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