• Lead the architectural vision and roadmap for ES modernization and integration of legacy systems (EDB, IVM, VistA REE) into a unified platform. • Design scalable, secure, and interoperable solutions supporting high-volume eligibility and enrollment transactions. • Oversee integration of microservices, APIs, and data pipelines across VA enterprise systems and external partners. • Ensure compliance with VA technical standards, FedRAMP, FISMA, IRS 1075, HIPAA, and other federal requirements. • Guide DevSecOps adoption, CI/CD automation, and cloud-native deployments within VAEC. • Direct data migration, schema modernization, and system consolidation efforts. • Collaborate with product, engineering, and operations teams to ensure architectural consistency and delivery quality. • Evaluate and select technology stacks, integration frameworks, and middleware solutions. • Provide technical oversight for incident response, root cause analysis, and system resilience. • Mentor engineering teams, review design documents, and approve technical deliverables. • Support transition planning, knowledge transfer, and post-go-live stabilization. • Report architectural risks, opportunities, and progress to senior leadership.