* Designed and built a scalable and resilient infrastructure from the ground up on AWS, including VPC, subnets, security groups, and IAM roles, enabling secure and efficient cloud operations.* Implemented Infrastructure as Code (IaC) using AWS CloudFormation and Terraform to ensure repeatable and consistent infrastructure deployments.* Implemented proactive monitoring and alerting using AWS CloudWatch and integrated with Slack and PagerDuty, reducing mean time to detect and resolve incidents.* Collaborated with cross-functional teams, including developers and operations, to ensure seamless integration of applications into AWS environment and continuous deployment.