Cybersecurity Engineer - SME

Responsibilities 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.

As a Cybersecurity Engineer - SME, you will provide cradle-to-grave cybersecurity engineering support for mission-critical systems—from requirements and design through integration, testing, deployment, authorization, operations, and sustainment. You will work across engineering disciplines to ensure cybersecurity requirements are effectively implemented, verified, and maintained throughout the system lifecycle.

Work Location:

This position is 100% on-site, primarily located in Herndon,  this position, you will:

Provide cybersecurity engineering across the full system lifecycle, including requirements, design, development, integration, test, deployment, operations, and sustainment.

Develop, maintain, allocate, and trace cybersecurity requirements through system design, implementation, and verification.

Develop and maintain System Security Plans (SSPs), RMF artifacts, security controls, POA&Ms, and authorization evidence.

Apply NIST standards, RMF, and applicable FAA/program cybersecurity requirements, memo, and guidance.

Conduct cybersecurity architecture/design reviews, vulnerability and risk assessments, security testing, and remediation verification.

Assess cybersecurity impacts of software releases, hardware/network changes, interfaces, patches, and configuration changes.

Support vulnerability management, continuous monitoring, security baselines, configuration/change control, and POA&M closure.

Provide cybersecurity engineering during system/site integration, testing, acceptance, deployment, and transition to operations.

Partner with systems, software, network, test, integration, and implementation teams to identify and resolve cybersecurity risks.

Communicate cybersecurity risks, impacts, and recommended solutions to engineering teams, program leadership, and customers.

Why This Role Matters Your work will directly impact national transportation safety and innovation helping develop and refine systems used by millions of travelers and aviation professionals every day. You’ll collaborate with top engineers, analysts, and FAA stakeholders to deliver solutions that meet the highest performance standards. Qualifications

Basic Qualifications:

U.S. Citizenship Required Must have the ability to obtain / maintain a Public Trust clearance

Bachelor’s degree and 12 years’ experience or Master’s degree and 10 years’ experience or Associate’s degree and 14 years’ experience or HS diploma/equivalent and 16 years’ experience

Cybersecurity engineering experience supporting complex government, aviation, defense, or other mission-critical systems.

Demonstrated experience supporting cybersecurity engineering across the system lifecycle.

Experience with RMF, SSP development, NIST SP 800-53, POA&Ms, security assessment, vulnerability management, and system authorization.

Experience translating cybersecurity requirements into system architecture, design, implementation, and verification activities.

Experience conducting cybersecurity architecture reviews, risk…