Ruben Hovhannisyan

Developed Ansible roles and Terraform modules for node hardening, secure password generation, and automated platform installation. Designed a high-performance metrics collection platform using physical servers, RKE2, S3, Thanos, and Grafana to ensure scalable observability. Architected a high-performance log aggregation platform using Elasticsearch and Fluent Bit. Implemented GitOps practices for platform provisioning and lifecycle management using Argo CD and Terraform. Configured HashiCorp Vault as a centralized and secure secrets management solution across multiple environments. Designed and deployed a multi-datacenter Kafka cluster with high availability and TLS authentication for both internal and external traffic. Built a multi-service application for multi-CDN domain management using Go, integrating Kafka, KeyDB, Cloudflare, NS1, CDNetworks, and Google reCAPTCHA. Created a Kubernetes operator for external load balancer automation using operator-sdk. Developed a custom Terraform

Designed, operated, and supported Kubernetes (GKE) platforms hosting production web applications. Automated infrastructure provisioning and application deployments using Terraform, Helm, and Ansible. Migrated legacy deployments to stable, containerized architectures, improving reliability and operational consistency. Managed load balancing using NGINX and Google Cloud Load Balancers.

Designed and implemented corporate network infrastructure using BGP and EIGRP. Implemented network security solutions including firewalls and intrusion prevention systems. Automated network and server configuration using Ansible. Deployed and maintained monitoring and logging platforms (Zabbix, ELK). Managed server and network virtualization using VMware vSphere and NSX. Implemented and maintained public DNS services and enterprise mail servers. Supported storage platforms based on NFS and iSCSI.