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

Posted 6 Days Ago
Be an Early Applicant
Annapolis Junction, MD, USA
In-Office
125K-225K Annually
Expert/Leader
Information Technology • Security • Cybersecurity
The Role
Perform hands-on reverse engineering of firmware, binaries, and embedded systems; develop embedded software in C; conduct vulnerability research and CNO activities; collaborate with senior SMEs on-site to build mission-critical capabilities that protect national security systems.
Summary Generated by Built In
In a world of possibilities, pursue one with endless opportunities. Imagine Next!

 

At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible.

 

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.

The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.

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!

Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.

We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest—APPLY TODAY!

Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.

Skills Required

  • 10+ years professional experience in software engineering, reverse engineering, or vulnerability research (or 3+ years with a Master’s degree)
  • Demonstrated reverse engineering experience of binaries, firmware, or embedded systems
  • Strong proficiency in the C programming language
  • Active Top Secret SCI security clearance with polygraph
  • Willingness to work on-site at a contractor facility
  • Experience with vulnerability research (exploit development, fuzzing, security analysis of embedded systems)
  • Familiarity with RE tools and environments (e.g., IDA Pro, Ghidra, binary analysis platforms)
  • Experience in CNO or related cybersecurity operations

Parsons Corporation Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Parsons Corporation and has not been reviewed or approved by Parsons Corporation.

  • Retirement Support Retirement programs are framed as a major value driver, with an ESOP alongside a 401(k) match and additional stock-purchase options contributing meaningfully to total rewards. This structure is positioned as especially attractive for employees who value long-term wealth-building over immediate cash.
  • Healthcare Strength Health coverage is described as broad and choice-rich, with multiple plan types (PPO, HDHP, and some HMO networks) plus dental, vision, EAP, and wellness resources. The availability of different plan designs and national-carrier coverage supports varied employee needs.
  • Leave & Time Off Breadth Time-off offerings are portrayed as competitive, including PTO, holidays, flexible schedules such as a 9/80 option for eligible roles, and floating holidays in the U.S. Paid parental leave of 160 hours is also highlighted as a meaningful component of the overall package.

Parsons Corporation Insights

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The Company
HQ: Centreville, VA
14,420 Employees
Year Founded: 1944

What We Do

Parsons is a digitally enabled solutions provider with a focus on making the world safer, smarter, healthier, more sustainable, and more connected. Founded in 1944, Parsons primarily serves the defense, security, and infrastructure markets. Uniquely qualified to deliver cyber/converged security, technology-based intellectual property, and other innovative services, the corporation delivers state-of-the-art solutions to federal, regional, and local government agencies as well as to private industrial customers worldwide. Parsons has a reputation for inclusion and diversity and has been named to the Ethisphere Institute’s list of World’s Most Ethical Companies for 10 consecutive years. Parsons facilitates a culture of innovation by encouraging collaboration among its employees and providing opportunities for career growth. With offices around the globe, people of varied talents and backgrounds, and a wide range of exciting projects, the possibilities at Parsons are endless. For more about Parsons, visit www.parsons.com. Mission: Delivering innovative infrastructure, defense, and security solutions to enable a more sustainable, safer, smarter, and more connected world.

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