SME Cybersecurity Architect

Company: Leidos
Location: Alexandria
Posted on: April 1, 2026

Job Description:

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced SME Cybersecurity Architect to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations. In this role, you will work alongside government partners, engineers, and other industry teammates to translate operational and strategic requirements into scalable, production-ready solutions. You will contribute directly to product planning, execution, and continuous improvement—helping ensure capabilities are delivered efficiently, aligned to mission priorities, and positioned for sustained success. This position offers the opportunity to work on a high-visibility, enterprise program at the intersection of data, analytics, and emerging AI technologies. Ideal candidates are motivated by mission impact, comfortable operating in complex stakeholder environments, and interested in building deep domain expertise while delivering capabilities with real-world national security outcomes. Primary Responsibilities: Develop and implement enterprise-level cybersecurity strategies aligned with DoD and Federal security guidelines. Ensure selected technologies and architectures are resilient to modern cyber threats. 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, performance needs, and operational constraints. Prepare, maintain, and execute a System Engineering Plan (SEP) for managing all systems architecture and system engineering related aspects of the program. Conduct systems engineering activities required to specify, build, and maintain system engineering designs for the System. Design, prepare, and document systems engineering and cybersecurity artifacts for the System. Define, document, maintain, and promulgate APIs and technical standards for using and interoperating within and outside the System. Design, engineer, integrate, and continuously improve the underlying infrastructure of the System. Identify, prepare, track, secure, and integrate government, commercial, and open-source tools and services into the System. Design, architect, engineer, and continuously improve the user interface (UI) and user experience (UX) components. Design, build, and maintain services and products to effectively make production-ready AI/ML models accessible for customer use. Prepare and maintain cybersecurity architecture and system engineering solutions for the System. Perform site reliability engineering to build and maintain a reliable, scalable, and efficient System. Participate in the Engineering Control Board (ECB) process for supporting all major engineering milestones and decisions for the program. Basic Qualifications Active TS/SCI clearance with CI Poly. Bachelor’s degree in Computer Science, Engineering, Information Systems, Cybersecurity, or related technical discipline and 12–15 years of relevant experience OR Master’s degree in a related field and 10–13 years of relevant experience. At least one of the following foundational qualification pathways consistent with DoD 8140 requirements: Current DoD 8570/8140 baseline certification appropriate for Advanced Cyber Defense Analyst roles (e.g., GCFA or GCIA ) Offerings listed in the DoD 8140 Training Repository Demonstrated equivalent training and experience qualifying under DoD 8140 foundational qualification alternatives. Minimum of 12 years of experience in cybersecurity architecture and systems engineering. Experience with DoD and Federal security guidelines and standards. Proven track record of supporting ATO activities across IL 3 through IL 6 environments. Strong understanding of cybersecurity design principles and best practices. Experience with systems engineering and architecture planning and documentation. 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. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: March 9, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $131,300.00 - $237,350.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Keywords: Leidos, Burke , SME Cybersecurity Architect, Engineering , Alexandria, Virginia