Information Systems Security Engineer; ISSE Security Clearance

Position: Information Systems Security Engineer (ISSE) with Security Clearance
About Peraton Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace.

The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees solve the most daunting challenges that our customers face. Visit  to learn how we're keeping people around the world safe and secure. Program Overview About

The Role Join Peraton in advancing the safety, efficiency, and modernization of the National Airspace System (NAS) through the FAA's Brand New Air Traffic Control System (BNATCS) contract. As a trusted partner to the Federal Aviation Administration, Peraton helps deliver the systems and services that keep our nation's skies safe and connected. We're looking for innovative professionals who thrive in mission-critical environments and are passionate about shaping the future of air traffic management.

This is your chance to make an impact on one of the world's most vital transportation infrastructures, working alongside leaders in aviation, engineering, data science, and systems integration. At Peraton, you won't just support the mission - you'll define it. Join a team dedicated to protecting the safety and integrity of U.S. air travel. Peraton is seeking a Information Systems Security Engineer (ISSE) to provide cybersecurity engineering and risk management expertise across mission-critical aviation systems.

In this role, you will ensure security is embedded into system architectures from design through deployment, supporting the protection of technologies that enable safe and efficient air traffic management. This position offers a rare opportunity to work at the intersection of cybersecurity, aviation infrastructure, and national modernization initiatives.

Work Location:

* This position will work on site in the DC Metro area. Once operations are fully established, we will consider telework options however, this is not guaranteed.
Your Impact:
The security of aviation systems is inseparable from the safety of the skies. As an Information Systems Security Engineer, your work ensures that modernization initiatives remain protected from evolving cyber threats. Your expertise will help ensure that the systems guiding aircraft across the National Airspace System remain secure, resilient, and trusted. This is more than cybersecurity engineering-it is protecting the backbone of U.S. aviation.

* Provide cybersecurity engineering oversight across the system development lifecycle (SDLC) to ensure security is integrated by design.

* Implement and validate security controls aligned with NIST SP 800-53, FISMA, and Risk Management Framework (RMF) requirements.

* Support vulnerability assessments, penetration testing, and risk analysis to identify and mitigate potential threats.

* Collaborate with architects, developers, and infrastructure engineers to embed security controls within system designs and configurations.

* Integrate continuous monitoring practices into operational and development environments.

* Develop and maintain security documentation including System Security Plans (SSPs), POA&Ms, security assessments, and authorization artifacts.

* Participate in architecture reviews and security design evaluations to ensure compliance with federal cybersecurity standards.

* Support incident response planning, investigation, and remediation activities to strengthen system resilience.

* Evaluate emerging cybersecurity threats and recommend proactive mitigation strategies.

* Provide technical guidance to engineering teams on secure coding practices, access control, and system hardening.

* Contribute to system authorization activities and continuous monitoring programs.

Why This Opportunity Stands Apart The…