SME Cybersecurity Architect

Responsibilities

• Develop and implement enterprise-level cybersecurity strategies aligned with DoD and Federal security guidelines.
• Support timely completion of Authorization to Operate (ATO) activities across IL 3 through IL 6 environments.
• Collaborate with engineering and mission teams to align cybersecurity design decisions with system scope and performance needs.
• Prepare, maintain, and execute a System Engineering Plan (SEP) for managing all systems architecture and engineering aspects.
• Define, document, and maintain APIs and technical standards for system interoperability.
• Design, engineer, and continuously improve the underlying infrastructure and user interface components.
• Perform site reliability engineering to build and maintain a reliable, scalable, and efficient system.
• Participate in the Engineering Control Board (ECB) process to support major engineering milestones.

Requirements

• Active TS/SCI clearance with CI Poly.
• Bachelor's degree in Computer Science, Engineering, Information Systems, Cybersecurity, or a related technical discipline.
• 12–15 years of relevant experience (or 10–13 years with a Master's degree).
• DoD 8570/8140 certification appropriate for Advanced Cyber Defense Analyst roles (e.g., GCFA or GCIA).
• Proven track record supporting ATO activities across IL 3 through IL 6 environments.
• Proficiency in defining and maintaining APIs and technical standards.
• Experience with cloud environments, network, data storage, logging, and auditing functions.

Preferred Qualifications

• CISSP, CCSP, CASP+, or equivalent advanced cybersecurity certification.
• Experience defining enterprise security reference architectures for multi-enclave environments.
• Experience architecting automated compliance and continuous monitoring solutions.
• Experience integrating SIEM/SOAR and advanced cyber defense analytics into enterprise platforms.
• Experience supporting enterprise data, analytics, or AI platforms in secure environments.

Benefits

• Competitive compensation.
• Health and Wellness programs.
• Income Protection.
• Paid Leave and Retirement.

About the Company

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, Leidos employs 47,000 global employees dedicated to solving the world's most complex challenges.