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

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

Created: 2026-03-04