
Manirathnam G
DevOps Engineer AWS Cloud, Kubernetes, Docker, CICD, Terraform Automation
Skills

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Portfolio
Werkervaring
Cloud/DevOps Engineer
Infosys • Fulltime
Oct 2024 - Jan 2026 • 1 yr 3 mos
As a Cloud/DevOps Engineer at Infosys, I worked hands-on across container orchestration, GitOps automation, and event-driven cloud architecture. My core responsibilities included managing Kubernetes clusters for containerized workloads, implementing GitOps-based continuous deployment workflows using ArgoCD to keep infrastructure and application state version-controlled and auditable, and building CI/CD pipelines to automate build, test, and release cycles and reduce manual deployment overhead. I also worked with AWS's serverless and event-driven services - including Lambda for compute, SQS for decoupled messaging, Kinesis for real-time data streaming, and EMR for large-scale data processing - to support scalable application architectures. Alongside cloud/DevOps work, I delivered Pega Platform application support for a Verizon USA engagement, applying my Pega Senior System Architect (CSSA) certification to enterprise application configuration and case management delivery.
Cloud/DevOps Engineer
Tata Consultancy Services • Fulltime
Jul 2021 - Oct 2024 • 3 yrs 3 mos
At TCS, I built and configured end-to-end AWS networking and security infrastructure. This included designing and implementing Amazon VPCs, AWS Transit Gateway for centralized network connectivity across multiple VPCs, AWS Direct Connect for dedicated on-premises-to-cloud links, site-to-site VPN, and AWS PrivateLink for secure private service access without traversing the public internet. On the security and governance side, I implemented IAM policies and roles, KMS for encryption key management, Secrets Manager for credential handling, and SSO for centralized access control. I also worked with AWS's monitoring and threat detection stack - GuardDuty, Security Hub, and CloudTrail - to maintain visibility into infrastructure activity, and applied network-layer protections including AWS Shield, WAF, NACLs, and security groups to harden environments against common attack vectors. In parallel, I delivered Pega Platform application support for a CIBC Canada engagement, contributing to enterprise workflow and case management solutions using my Pega System Architect and Senior System Architect expertise.