Rizwan

About Rizwan

Technical Support Engineer with 7+ years of experience supporting production systems…

Experience

1. Technical Support Engineer

   Virus Positive Technologies

   Feb 2020 — Present · Gurgaon, IN

   I worked extensively with AWS to build and manage scalable, secure, and highly available environments for enterprise applications. My role involved hands-on provisioning, automation, and troubleshooting across hybrid cloud setups.Key Responsibilities-Built and maintained AWS infrastructure using EC2, S3, RDS, EKS, Route53, VPC, and IAM, ensuring fault tolerance and high availability-Administered Linux servers in hybrid cloud environments, focusing on monitoring, and security hardening-Designed secure VPC architectures with subnets, security groups, NACLs, NAT gateways, and VPN connectivity-Set up centralized monitoring and logging using CloudWatch, ELK Stack, and Prometheus to improve incident detection and response-Managed IAM roles, RBAC policies, and SSO integrations to meet enterprise-grade security and compliance standards-Led disaster recovery planning and backup strategies using AWS Backup, cross-region replication, and failover testing-Implemented Load Balancers (ALB, NLB, ELB) and Auto Scaling for production workloads with high availability-Troubleshot performance, network, DNS, SSL/TLS, and storage issues across cloud and hybrid infrastructure-Administered enterprise services including Active Directory, DNS, DHCP, and file servers.Key Achievements:Saved ~7.5% in AWS cloud spend by optimizing resource usage with Reserved Instances, auto-scaling, and off-hour shutdown strategies.