About Me
Jerin Rathnam
Senior DevOps Engineer | Platform & Cloud Infrastructure
DevOps Engineer with 4+ years of experience designing scalable, secure, and highly available cloud infrastructure across AWS and GCP environments. Skilled in Kubernetes (EKS/GKE), Terraform, CI/CD automation, observability, and cloud security.
Proven experience managing production-grade microservices and AI workloads, improving deployment reliability, reducing infrastructure costs, and implementing zero-downtime deployment strategies.
AWS Certified Solutions Architect and HashiCorp Terraform Associate with strong expertise in infrastructure automation, platform engineering, Site Reliability Engineering (SRE), and incident management.
Experience
DevOps Engineer
Nielsen Media
- • Managed 18 production EKS clusters supporting multiple applications as part of a 2-person platform engineering team.
- • Migrated 40+ Node.js Lambda functions to ExpressJS services on EC2 Auto Scaling Groups, improving scalability and reducing cold-start latency.
- • Centralized application logging into AWS OpenSearch to improve observability and incident troubleshooting.
- • Reduced infrastructure costs by 30% by implementing VPC private endpoints for Kinesis and Firehose workloads.
- • Led recovery of 14k authentication tokens from DynamoDB during a production incident using Python automation and Athena queries.
DevOps Engineer
EasyDeploy Technologies
- • Reduced deployment time by 70% and Terraform code duplication by 50% through reusable infrastructure modules.
- • Architected highly available cloud environments using ECS/Fargate, RDS, ALB/NLB, Lambda, and API Gateway.
- • Deployed and managed Kubernetes platforms on EKS and GKE using Helm charts for Prometheus, Grafana, Thanos, and ingress.
- • Engineered HashiCorp Vault infrastructure for centralized secrets management and automated credential rotation.
AWS DevOps Engineer
Freelancer
- • Developed Terraform and CloudFormation templates for automated AWS infrastructure provisioning across multiple client environments.
- • Built Prometheus and Grafana monitoring platforms for infrastructure observability and alerting.
- • Managed EC2 configuration automation using Ansible for persistent infrastructure consistency.