Lead architecture, automation, and support of enterprise SQL Server environments on-premises and in cloud. Execute migrations to Azure/AWS, build IaC with Ansible/Terraform, monitor with Prometheus/Grafana, design ETL pipelines (SSIS/ADF/Kafka/Airflow), automate DBA tasks, troubleshoot performance issues, ensure security/compliance, produce documentation, integrate with CI/CD, and participate in on-call rotation.