Proven experience in cloud architecture and operation (Azure, GCP, AWS). Strong knowledge of automation and IaC tools (Terraform, CloudFormation, Ansible, etc.). Experience in complex environment migrations. Experience in multi-cloud architecture, interoperability, and governance. Proven experience in high availability, resilience, security, and business continuity. Experience in large-scale and high-transaction volume environments. Experience with SaaS workload delivery in critical environments. Experience with monitoring, logging, observability, and cost management in cloud. Solid networking knowledge (TCP/IP, DNS, DHCP, routing, load balancing, hybrid cloud networking, network security, troubleshooting). Experience with DevOps and CI/CD.