Dev Shrivastav

Supported and managed 400+ AWS accounts and 4, 000+ EC2 instances across multiple environments,
ensuring uptime, security, and SLA compliance.
Designed and supported highly available AWS architectures using VPC, EC2, IAM, ALB, Auto Scaling, S3, and
multi-AZ deployments.
Worked extensively on AWS account-to-account migration projects, migrating EC2 workloads using AMIs
while maintaining configuration consistency and data integrity.
Built and supported CI/CD pipelines using AWS CodePipeline and CodeBuild for automated application
deployments.
Developed AWS Lambda-based automation using AWS CLI and Python to reduce manual operational tasks
and improve response time.
Managed Amazon S3 buckets including access control (IAM policies), versioning, encryption, and lifecycle
policies for cost optimization.
Configured and monitored Amazon CloudWatch alarms and dashboards for CPU, memory, disk, and system
health to enable proactive incident detection.
Performed cost optimization activities, including instance right-sizing and usage analysis, achieving 15%+
monthly cost savings.
Provided L1 & L2 operational support for AWS workloads, including incident response, root cause analysis,
and service restoration.
Administered Linux servers (RHEL, CentOS, Ubuntu, Amazon Linux), handling OS provisioning, patching,
upgrades, service management, security hardening, SSH configuration, and post-maintenance validation.
Worked on Azure cloud environments, supporting 500+ Resource Groups, virtual machines, networking
components, and monitoring configurations.
Used ServiceNow for incident, change, and problem management in an ITIL-aligned operational model.