Developed and secured approval for a 3-year IT modernization strategy; initiated and completed Phase 1 — the migration of the primary data center, transferring critical banking services with less than 2 hours of downtime. Designed the target security architecture, including PKI, WAF, and PAM; launched a pilot project for centralized Identity Management (IdM) covering 50+ key employees. Optimized server capacity utilization, resulting in a preliminary estimate of ~45% reduction in operating costs without compromising performance. Built a DevOps team of 3 engineers and implemented core CI/CD practices, reducing deployment time for internal services from several hours to 30 minutes.