Praveen Kumaar S
DevOps Engineer
Chennai
Summary
DevOps Engineer with 4+ years of experience in cloud infrastructure, platform engineering, and site reliability engineering (SRE). Strong expertise in AWS cloud services, infrastructure automation using Terraform (IaC), CI/CD pipeline implementation, Docker and Kubernetes (Amazon EKS), and Linux system administration. Proven experience in deploying scalable production environments, enabling zero-downtime deployments, monitoring SLAs and SLOs, performing incident response and root cause analysis (RCA), and maintaining high availability systems with 99.9% uptime.
Overview
5
5
years of professional experience
4
4
Certifications
Work History
DevOps Engineer / Platform Engineer
Qbrik Information Technologies
05.2023 - Current
- Automated AWS cloud infrastructure provisioning using Terraform and Infrastructure as Code (IaC), enabling scalable, repeatable, and secure deployments across multiple environments
- Designed and maintained CI/CD pipelines using GitHub Actions and Jenkins for continuous integration and continuous deployment, supporting zero-downtime releases and frequent production deployments
- Containerized applications using Docker and deployed workloads on Kubernetes (Amazon EKS) with auto-scaling and high availability configurations, improving platform reliability and resource utilization
- Implemented platform engineering best practices by standardizing infrastructure components through reusable Terraform modules for VPC, EC2, RDS, and EKS
- Managed configuration management using Ansible for server provisioning, application deployment, and enforcing consistent configurations across production and staging environments
- Established monitoring and observability solutions using Prometheus, Grafana, and Amazon CloudWatch to track infrastructure metrics, application health, SLAs, and SLOs
- Provided production support including incident response, on-call support, root cause analysis (RCA), and post-incident remediation to reduce recurring issues and improve system reliability
- Administered Linux systems on AWS, performing system hardening, SSH key-based authentication, firewall configuration, patch management, and performance tuning
- Implemented AWS Systems Manager for automated patching, configuration compliance, and secure remote access across EC2 fleets
- Automated operational tasks using Python and Bash scripting for monitoring disk usage, validating backups, rotating logs, and monitoring SSL certificate expiry
- Designed and implemented disaster recovery strategies including automated database backups using Percona XtraBackup and cross-region S3 replication
- Optimized AWS costs through instance rightsizing, S3 lifecycle policies, and reserved instances, achieving significant cloud cost reduction
- Enforced cloud security best practices including IAM least privilege policies, secrets management, network security controls, and compliance monitoring
- Developed AWS Lambda functions for automation tasks such as scheduled backups, resource cleanup, and CloudWatch alert integrations
Software Developer (Java)
Qbrik Information Technologies
07.2021 - 04.2023
- Developed backend services using Java and Spring Boot, building RESTful APIs for business-critical applications in production environments
- Designed and implemented microservices architecture with proper API design, exception handling, and service-to-service communication
- Integrated applications with MySQL databases using JPA and Hibernate, implementing optimized queries and database indexing
- Implemented authentication and authorization using Spring Security with JWT tokens and role-based access control (RBAC)
- Developed unit tests using JUnit and Mockito to ensure application reliability and maintain high code quality standards
- Integrated AWS services such as S3, RDS, and CloudWatch into backend applications for cloud-native deployment
- Optimized application performance using caching strategies, connection pooling, and database performance tuning
- Collaborated closely with DevOps teams to containerize applications using Docker and support CI/CD pipeline integration
- Participated in Agile development processes including sprint planning, daily standups, code reviews, and production releases
- Created and maintained technical documentation for APIs, deployment procedures, and troubleshooting guides
Education
Bachelor of Engineering - Electronics and Communication Engineering
KPR Institute of Engineering and Technology
Tamil Nadu01.2021
Skills
Cloud Platforms: AWS EC2, AWS S3, AWS IAM, AWS VPC, AWS EKS, AWS Lambda, AWS RDS, AWS CloudWatch, AWS Systems Manager, AWS Route53, AWS Auto Scaling
Infrastructure as Code: Terraform, Terraform Modules, Infrastructure Automation, Cloud Provisioning, Configuration Drift Management
Containers & Orchestration: Docker, Docker Compose, Kubernetes, Amazon EKS, Container Orchestration, Container Security
CI/CD & Release Engineering: GitHub Actions, Jenkins, AWS CodePipeline, Continuous Integration, Continuous Deployment, Blue-Green Deployment, Zero Downtime Deployment
Monitoring & Observability: Prometheus, Grafana, Amazon CloudWatch, Loki, Alertmanager, ELK Stack, Log Management, Application Monitoring
Operating Systems: Linux Administration, Ubuntu, Amazon Linux, Shell Scripting, Bash Scripting, Cron Jobs, Performance Tuning
Programming & Scripting: Java, Python, Bash, YAML, JSON
Backend Technologies: Spring Boot, REST APIs, Microservices Architecture, Gradle
Security & Networking: IAM Role Management, Network Security, VPC Networking, Security Groups, SSL/TLS, Secrets Management, Vulnerability Scanning
Databases: MySQL, Amazon RDS, SQLite, Database Backup, Percona XtraBackup
SRE Practices: Site Reliability Engineering, SLA, SLO, Incident Management, Root Cause Analysis (RCA), On-call Support, Disaster Recovery, High Availability
Certification
Java Programming for Complete Beginners – Udemy
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Timeline
DevOps Engineer / Platform Engineer
Qbrik Information Technologies
05.2023 - Current
Software Developer (Java)
Qbrik Information Technologies
07.2021 - 04.2023
Bachelor of Engineering - Electronics and Communication Engineering
KPR Institute of Engineering and Technology