SME Cybersecurity Systems Engineer

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 Systems Engineer 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 improvementhelping 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:

• Design and implement cybersecurity plans architectures and test descriptions leveraging FOSS COTS and GOTS products to meet system security requirements.

• Develop cybersecurity and information assurance artifacts using MBSE and other engineering tools to demonstrate security implementations mapping to ATO and RMF requirements.

• Own the data platforms security strategy policies and procedures ensuring consistent application of security controls across development deployment and operational workflows.

• Prepare maintain and execute a System Engineering Plan (SEP) for managing all systems architecture and system engineering 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 including cloud environment network data storage logging auditing functions and more.

• 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 make production-ready AI/ML models accessible for customer use.

• Prepare and maintain cybersecurity architecture and system engineering solutions for the System ensuring compliance with Federal DoD and agency-specific security policies.

• 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.

• Bachelors degree in Computer Science Engineering Information Systems Cybersecurity or related technical discipline and 12 years of relevant experience OR Masters degree in a related field and 10 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 10 years of experience in cybersecurity systems engineering to include leading teams of cybersecurity engineers in the development of security features policy and accreditation elements in concert with DoD security standards

• Experience with MBSE and other engineering tools.

• Proven experience in developing cybersecurity and information assurance artifacts.

• Experience with FOSS COTS and GOTS products.

• Experience in designing and implementing cybersecurity plans and architectures.

Preferred Qualifications:

• CISSP CCSP CASP or equivalent advanced cybersecurity certification.

• Experience implementing enterprise-scale Zero Trust Architecture.

• Experience leading advanced cyber defense analytics SIEM/SOAR integration or detection engineering teams.

• Experience implementing automated compliance and continuous monitoring solutions.

• Experience supporting multi-enclave DoD environments.

• Experience supporting enterprise data analytics or AI platforms in secure environments.

Clearance Required:

• Must possess Active TS/SCI clearance with CI Poly at time of consideration.

If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

Original Posting:

Pay Range:

The Leidos pay range for this job level is a general guideline onlyand 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.