• Develop General Support System SSP • Update Major Application SSPs • Map controls to NIST SP 800-53 • Maintain evidence crosswalks • Support final C&A package assembly • Ensure documentation readiness for evaluation

• Review interconnection security agreements • Analyze connection boundaries and data flows • Identify missing security responsibilities and risk areas • Provide recommendations for external connection security

• Develop ST&E Plan • Perform technical and non-technical security testing • Conduct vulnerability assessments • Validate security controls implementation • Document findings and recommendations • Support Security Compliance Validation reporting

• Design, develop, and prototype mission-aligned agentic AI frameworks and LLM-powered tools for secure AI/agentic AI operations, cyber defense, and autonomous cyber operations decision-making. • Deliver working solutions across the TRL spectrum through rapid iteration from concept to prototype to support transition to enterprise and mission environments. • Apply secure AI practices including Secure-By-Design, Zero Trust, and red teaming approaches to ensure safety, trust, and resiliency in AI deployments. • Contribute to internal playbooks, training materials, and team-level capability development to scale innovation within the group. • Collaborate with a team of researchers within Leidos across a range of technology areas; identify synergies with other Leidos research and development efforts. • Develop solutions to difficult and unclear technical problems through deep analysis, collaboration with internal experts, and understanding of impact on end-product/solution. • Contribute to the design, implementation, and evaluation of AI/ML models for various applications. • Enhance and maintain analysis tools, including automation of current processes using AI/ML algorithms. • Work with project team members to identify relevant data sources, perform exploratory data analysis (EDA), evaluate data viability, and prepare datasets for AI/ML systems.