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Chethan Raj

@chethanraj

Site Reliability and DevOps Engineer running large-scale, multi-cloud Kubernetes infrastructure for regulated fintech platforms

India

Message

What I'm looking for

SRE and DevOps Engineer with 3 years designing and running large-scale, multi-cloud infrastructure on AWS and OCI, Terraform-provisioned end to end, for a PCI DSS-regulated fintech. I own production EKS reliability: Karpenter capacity, ArgoCD GitOps, incident response, RCA and observability on Prometheus, Grafana, Loki and OpenTelemetry. Bangalore GMT+5:30, open to EOR or contract.

I design and operate large-scale, multi-cloud infrastructure for a PCI DSS-regulated payments platform, with production workloads across AWS and Oracle Cloud provisioned entirely through Terraform and delivered by GitOps. I own the production EKS platform end to end — Karpenter capacity and autoscaling, ArgoCD, Helm, Kong, HashiCorp Vault with External Secrets Operator — along with observability and incident response on Prometheus, Grafana, Loki and OpenTelemetry, validated across nine production services.

I led the migration of five applications into a fully automated multi-cloud GitOps environment in under two months, coordinating senior Oracle architects and DevOps engineers. I built a four-account AWS security detection platform on Wazuh SIEM from scratch with cross-account IAM role chains, cutting alert volume approximately 95% through custom decoders and correlation rules, and supported bank, NPCI and PCI DSS audits directly. I also shipped an AI operations agent on Amazon Bedrock that answers incident queries from live telemetry in Slack.

I work in remote-friendly setups with strong overlap across EMEA hours and am open to direct employment, Employer of Record or contractor engagement.

Experience

Work history, roles, and key accomplishments

Current

DevOps / Site Reliability Engineer

Current

Card91

Aug 2025 - Present (1 year)

Own the production EKS platform: Karpenter, ArgoCD GitOps, Helm, Kong, Harbor, Vault with External Secrets Operator. Led migration of 5 applications into a Terraform-provisioned GitOps environment on AWS and OCI in under 2 months. Built observability across 9 services, a 4-account Wazuh SIEM cutting alerts ~95%, and a Bedrock AI ops agent. Own incident response and Kubernetes cost optimization.

DevOps Engineer

247.ai

Apr 2024 - Aug 2025 (1 year 4 months)

Built Terraform modules provisioning AWS across dev, test and production, cutting environment setup time ~50% and removing config drift. Integrated Terraform into CI/CD for 15+ services. Wrote Jenkins/Groovy pipelines for Kubernetes deploys with SonarQube gates and Trivy scanning, cutting deploy time ~40%. Operated production EKS microservices with ArgoCD, Prometheus and Grafana.

Terraform AWS Kubernetes Amazon EKS Jenkins Groovy Docker AWS ECR ArgoCD GitOps SonarQube Trivy ELK Stack CI CD

Associate Trainee, DevOps

growjunction

Jul 2023 - Feb 2024 (7 months)

Automated system maintenance with 15+ Bash and Python scripts covering deployments, log rotation and health checks, cutting manual operations work ~40%. Resolved 50+ Linux system and network incidents, and built recovery automation and security patching that reduced downtime ~15%.

Linux BASH Python Git Incident Response Networking

Education

Degrees, certifications, and relevant coursework

Amazon Web Services

AWS Certified Solutions Architect – Associate, Cloud Architecture

2024 - 2027

Validates designing available, cost-efficient, fault-tolerant and scalable distributed systems on AWS. Applied daily across EKS, VPC, IAM/IRSA, ALB, Lambda and multi-account architecture.

Acharya Institute of Technology

Bachelor of Engineering, Electronics and Communication

2019 - 2023

Pursued a Bachelor of Engineering in Electronics and Communication, gaining a strong foundation in engineering principles and technical problem-solving.