Prasanna Kumar | Portfolio

About Me

I'm a DevOps Engineer with a strong passion for automation and scalable infrastructure. With 3 years of experience in IT, I've contributed to enhancing deployment pipelines and boosting operational efficiency for organizations."

Programming & Database

knowledge of Python using FastAPI with PostgreSQL and MySQL.

CI/CD Pipelines

Experience in Jenkins, GitHub Actions, Argo CD and GitLab CI/CD for streamlined delivery.

Cloud Platforms

Hands-on with AWS and foundational knowledge on Azure to provision scalable infrastructure.

Automation

Expertise in Ansible, Terraform & scripting for automating infra tasks.

Containers

Proficient with Docker and Kubernetes for containerization and orchestration.

Security

Focusing on secure deployments using best practices and DevSecOps tools.

Monitoring

Monitoring infra with Prometheus, Grafana, and AWS Cloud Watch.

Version Control

Git expert with solid branching strategies and collaboration workflows.

Problem Solving

Strong debugging, root cause analysis, and optimization skills.

Professional Summary

Throughout my career, I've worked with diverse teams to implement DevOps practices that have significantly improved deployment frequency and reliability. I specialize in cloud infrastructure, containerization, and automation, helping organizations achieve their technical goals while maintaining high security and performance standards. I'm passionate about staying current with the latest DevOps tools and methodologies, regularly contributing to open-source projects and sharing knowledge with the tech community through various platforms.

Work Experience

DevOps Engineer

Infosys • 2023 - Present

Provisioned AWS infrastructure with Terraform, reducing manual effort by 70%, optimizing resource usage through instance right-sizing, reserved instance planning, and S3 lifecycle policies, lowering cloud costs by 30%.
Managed user access, account governance, and security policies using AWS IAM, AWS Organizations, and AWS Control Tower; implemented and enforced SCPs to ensure compliance and least-privilege access across multi-account environments.
Developed GitLab CI pipelines for multi-language microservices using a parent–child pipeline strategy and centralized templates, enabling selective builds, improving code reusability, and reducing pipeline execution time.
Developed secure and optimized Docker images using multi-stage builds and production-grade container hardening techniques, reducing image size by 70% and significantly improving deployment speed, reliability, and security posture.
Managed a production-grade Kubernetes (EKS) cluster via Terraform, implementing network policies, RBAC, HPA, PDBs, and pod identity associations, improving cluster availability to 99.9% uptime.
Enhanced Kubernetes performance by configuring resource requests/limits, health probes, persistent volumes, priority classes, and Ingress traffic management, increasing workload efficiency and stability.
Executed EKS upgrades using drain/evict strategies, phased rollouts, and PodDisruptionBudgets (PDBs), ensuring zero downtime during major version upgrades.
Applied GitOps practices using Argo CD for automated Kubernetes deployments, environment drift detection, and self-healing infrastructure via Git-driven workflows.
Collaborated with cross-functional teams to troubleshoot and resolve incidents, including pod failures, network issues, and resource bottlenecks, ensuring resolution within defined SLAs.
Monitored workloads through CloudWatch, Grafana, and Prometheus; analyzed logs and metrics, identified performance issues, and resolved incidents within SLA.
Mentored new team members on Kubernetes/EKS workflows and best practices, maintaining detailed documentation of cluster architecture, CI/CD pipelines, and standardized operational processes to ensure consistent knowledge sharing and faster onboarding.