Visa
|Site Reliability Engineer
Foster City, CA, US
Summary
Led Site Reliability Engineering efforts at Visa, designing, implementing, and optimizing highly secure and compliant AWS cloud infrastructure for critical financial transaction systems. Drove significant enhancements in CI/CD automation, Kubernetes orchestration, and observability frameworks, ensuring robust performance and adherence to stringent regulatory standards.
Highlights
Architected and maintained PCI-DSS, SOX, and GLBA compliant AWS infrastructure using Terraform with TypeScript, developing reusable modules and Git-based version control for consistent multi-environment deployments.
Engineered production-grade Amazon EKS clusters with Istio service mesh, implementing mutual TLS and network segmentation to secure financial transaction processing across distributed Kubernetes workloads.
Automated infrastructure provisioning and application deployments by developing CI/CD pipelines with Jenkins, GitHub Actions, and ArgoCD, establishing GitOps practices and SOX compliance audit trails.
Established comprehensive observability frameworks using Prometheus, Grafana, FluentBit, CloudWatch, and Dynatrace, designing custom dashboards for real-time EKS cluster health and financial transaction latency monitoring.
Developed Python and TypeScript automation scripts for AWS resource provisioning, compliance reporting, and audit documentation, integrating custom tooling with Terraform and Ansible for SOX, PCI-DSS, and GLBA adherence.
Implemented robust security controls across AWS environments, configuring NLB, network security groups, IAM policies, and Cognito multi-tenant authentication to safeguard financial applications and data.
Designed and implemented multi-AZ disaster recovery architectures with EKS auto-scaling, RDS automated backups, and S3 cross-region replication, ensuring SOX operational control compliance and business continuity.
Provided technical leadership, conducting architecture reviews for Terraform and AWS configurations, guiding teams in adopting AWS Well-Architected Framework principles, and establishing infrastructure as code standards.