Cyber Capabilities Developer, Principal (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:Use your deep C programming and Windows Internals expertise to solve mission-critical technical challenges that directly support national security. At Parsons, you’ll work side-by-side with mission-focused experts, building innovative capabilities that truly matter. IMAGINE NEXT with Parsons.What You’ll Be DoingBuilding high‑performance software in C that leverages deep Windows Internals knowledge to support a critical customer mission.Embedding with the mission team on-site, working daily with subject matter experts in C, Windows internals, and related low-level disciplines.Designing, implementing, testing, and refining advanced capabilities with other senior engineers to meet complex and evolving mission needs.Applying reverse engineering and/or vulnerability research skills to uncover system behaviors, identify new approaches, and prototype novel solutions.Troubleshooting and debugging at the system and kernel level, ensuring robustness, security, and performance under demanding conditions.Contributing to a culture of technical excellence by sharing knowledge, mentoring teammates, conducting design/code reviews, and continually sharpening your own skills in C, Windows internals, and low‑level engineering.What Required Skills You'll Bring:Active TS/SCI with Polygraph (current and in-scope).Bachelor’s degree in Software Engineering, Computer Science, or related fieldAdditional years of directly related experience may be considered in lieu of a degree.10+ years of related experience in low‑level software development.Strong, hands-on experience with Windows internals, such as:Kernel architectureDriver and device modelMemory managementProcess/thread modelsSecurity mechanismsAdvanced proficiency in C programming, with a track record of building software that is:High‑performanceReliable and maintainableSecurity‑conscious and robustWhat Desired Skills You'll Bring:Expert‑level reverse engineering experience, including tools, techniques, and methodologies used in low‑level analysis.Hypervisor experience, including design and/or development of hypervisors or virtualization-related components.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: $148,300.00 - $266,900.00We 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 .SummaryLocation: US - MD, Annapolis JunctionType: Full time