Senior Multi-Cloud Architect

Leidos seeks a Senior Multi-Cloud Architect to provide hands-on technical leadership for secure, resilient, cost-effective applications and cloud services supporting the Centers for Medicare & Medicaid Services (CMS), including Medicare, Medicaid, and Marketplace applications. Working across AWS, Microsoft Azure, Google Cloud, and Oracle Cloud Infrastructure (OCI), you will translate mission, security, and operational needs into implementable architectures and lead their adoption with application and platform teams. As a senior technical individual contributor, you will own the quality of assigned architecture deliverables and recommendations within program governance. You will partner with CMS Application Development Organizations (ADOs), CMS Hybrid Cloud product teams, and Enterprise Shared Service teams to modernize applications, resolve complex cross-platform problems, and deliver measurable improvements in reliability, security, performance, delivery efficiency, and cost. Primary responsibilities Architecture leadership. Assess current-state architectures and define target-state designs, transition roadmaps, architecture decision records, and reusable reference patterns. Lead design reviews and document trade-offs, dependencies, risks, and exceptions within established CMS and program governance. Multi-cloud design. Select cloud services and workload placement based on mission fit, security, reliability, data needs, cost, and operating complexity. Design hybrid and c