Own and develop enterprise strategy, enterprise-level target-state architectures, and create multi‑year (3-5 year) modernization roadmaps across applications, data/analytics, integration/API, cloud/platform, and business architecture domains. Solve undefined and complex enterprise-wide architecture challenges spanning legacy and modern ecosystems-leveraging investigation, root-cause analysis, and multi-dimensional tradeoff evaluation (security, performance, cost, technical debt, risk, and business outcomes).