Ilia Z. Email and Phone Number

Implemented a Multi-Account Landing Zone for a large-scale environment comprising over 500 AWS Accounts, adhering to industry best practices and well-architected principles, onboarded 20 enterprise teams to their respective responsible areas, and streamlined organizational processes.Implemented cost optimization strategies including right-sizing, using Spot VMs, and tuning HPAs, for large-scale multi-K8S-cluster environments with over 25000 vCPU and 150Tb RAM in total resulting in more than $1M of savings.Introduced serverless pattern with CF, CloudRun, and KNative integrating it into organizational processes after meticulous collaboration with stakeholders and decision makers which accelerated operational procedures by 80% and intensified onboarding efficiency by 30%.Efficiently carried out big 10+ migration projects involving rehosting, re-platforming, and refactoring for different migration patterns On-Premises, AWS, GCP, and Azure improving operational practices along the way.

Built a multi-tenant microservice platform based on EKS with cluster-level blue-green deployment method, custom Go integration plugins, and OS observability stack. Facilitated migration/onboarding of 30+ Java services reducing costs by 80% and improving operations.Built various operational tools in Go for ephemeral MySQL cloning of 20+ databases a day, observability reporting for right-sizing of 100+ K8S services, and visual terraform reporting of 100+ projects across the org.Developed various CI/CD pipelines on GitHub Actions, Jenkins, and ArgoCD for different IaC frameworks (Terraform, CloudFormation, CDK).Designed and implemented a multi-tenant distributed system based on Kubernetes on top of a private cloud incorporating GitOps and IaC principles.Setup a full-fledged observability stack with logging, monitoring, and traceability over a proprietary cloud using Prometheus, Grafana, Jaeger, and ELK.Automated Cloud infrastructure deployment and application management at scale.Built a reporting tool in Go that automatically updates documentation on what infrastructure modules deployed, their parameters/versions, with a comparing view alongside several environments.Develop Kustomize plugins in Go that integrate Kubernetes deployment mechanism with other CI/CD systems.Contributed to Terraform, Go libraries, and CNCF landscape projects (Kustomize, AWS ALB Ingress Controller).

Responsible for developing and deploying embedded software for Atmel CPUs on Embedded Linux with drivers tuning, memory management, and failovers.Involved in building a highly available server backend in Kotlin/Java for On-Premises DC.Configured networking, VPN tunnels for remote debugging and deployment.Optimized live video streaming with H.264 for remote train navigation.