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Jayakumar

DevOps Engineer | Containerization & Cloud Infrastructure Specialist

📧 jayakumararu98@gmail.com 📱 +91 9751443217 💼 linkedin.com/in/jayakumar98 📍 Pallavaram, Chennai, India

Professional Summary

Accomplished DevOps Engineer with 3+ years of specialized experience in containerization technologies, orchestration platforms, and cloud infrastructure automation. Expert in designing and deploying production-grade Docker and Kubernetes environments, managing complex microservices architectures, and building automated CI/CD pipelines. Proven track record in container optimization, infrastructure as code, and deploying AI/ML workloads on GPU-accelerated infrastructure. Strong analytical and problem-solving skills backed by MSc in Physics, enabling innovative solutions to complex technical challenges.

Technical Expertise

Container & Orchestration

Docker Docker Compose Kubernetes Helm Charts Container Security

CI/CD & Automation

Jenkins GitHub Actions GitLab CI/CD ArgoCD Git Pipeline Optimization

Cloud Platforms

AWS EC2 RDS VPC S3 ELB CloudWatch IAM Auto Scaling Route 53

Linux & Systems

Ubuntu CentOS RHEL Bash Scripting LVM RAID Server Hardening

Web Servers

Nginx Apache cPanel CyberPanel SSL/TLS DNS Management

Monitoring & Logging

Prometheus Grafana CloudWatch ELK Stack Alerting & Incident Response

Databases

MySQL PostgreSQL Amazon RDS Backup & Recovery Replication

Application Stack

React Node.js FastAPI Odoo Python API Gateway

AI/ML Infrastructure

Ollama vLLM NVIDIA GPU CUDA ML Model Deployment AI Application Hosting

Professional Experience

DevOps Engineer

2023 – Present

Xmedia Software Solutions | Chennai, India

  • Designed and deployed containerized microservices infrastructure using Docker and Kubernetes across production environments
  • Built optimized Docker images with multi-stage builds and implemented container orchestration using Kubernetes Deployments, StatefulSets, and Services
  • Managed application configurations and sensitive data using Kubernetes ConfigMaps, Secrets, and Helm package management
  • Developed automated CI/CD pipelines using Jenkins Pipeline as Code and GitHub Actions for continuous integration and deployment
  • Established GitOps workflows with version-controlled infrastructure and automated release management using Git and GitLab
  • Architected and maintained cloud infrastructure on AWS using EC2, RDS, VPC, S3, and Auto Scaling for high-traffic applications
  • Implemented security and access management using IAM policies, configured load balancing, and managed DNS with Route 53
  • Administered Linux servers (Ubuntu, CentOS) with user management, LVM storage, and RAID configuration for production workloads
  • Created automation scripts using Bash for system monitoring, server hardening, and infrastructure management tasks
  • Configured Nginx as reverse proxy and load balancer with SSL/TLS encryption for secure web applications
  • Managed web hosting platforms using cPanel and CyberPanel, including DNS configuration and email server setup
  • Deployed comprehensive monitoring solutions using CloudWatch, Prometheus, and Grafana for infrastructure observability
  • Maintained MySQL and PostgreSQL databases with RDS, implementing backup strategies, replication, and performance optimization
  • Containerized and deployed enterprise applications including React, Node.js, FastAPI microservices, and Odoo ERP systems
  • Built AI/ML infrastructure for LLM deployment using Ollama and vLLM on NVIDIA GPU servers with Docker runtime and CUDA optimization

Key Projects & Achievements

Containerized AI/ML Platform with GPU Acceleration

Architected containerized AI/ML infrastructure using Docker with NVIDIA GPU support for large language model deployment. Implemented vLLM for optimized inference with custom CUDA container images and efficient resource management.

Enterprise CI/CD Pipeline with Docker Optimization

Designed comprehensive Jenkins pipelines with Docker-in-Docker architecture, implementing parallel builds, BuildKit caching, and automated container security scanning for streamlined application delivery.

Education

Master of Science in Physics

2020 – 2022

EVR Periyar College, Tiruchirappalli