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

Posted 11 Days Ago
Be an Early Applicant
Annapolis Junction, MD, USA
In-Office
104K-181K Annually
Senior level
Information Technology • Security • Cybersecurity
The Role
Perform reverse engineering, vulnerability research, and embedded/C programming to develop and enhance CNO capabilities for mission-critical national security systems. Analyze complex systems and networked/mobile devices, implement reliable capabilities, and collaborate onsite with subject-matter experts and senior engineers.
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:

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.

IMAGINE NEXT with Parsons.

What You’ll Be Doing:

As a Reverse Engineer / Embedded CNO Developer, you will:

  • 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.

What Required Skills You'll Bring:

  • 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

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: $103,500.00 - $181,100.00

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

  • Active Top Secret SCI with Polygraph
  • Bachelor's degree in Computer Science or related discipline (or equivalent experience)
  • 5+ years hands-on experience within a CNO environment
  • Experience with reverse engineering
  • Proficiency in C programming
  • Experience with network devices
  • Experience supporting development or analysis of mobile devices
  • Vulnerability Research (VR) experience
  • Familiarity with low-level platforms, embedded systems, and/or firmware analysis

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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