VEERRAJU Garapati

Company: HCL TECHNOLOGIES MALAYSIA SDN. (Onsite)

Client: UOB Malaysia
Project Name: EWF (Enterprise Workflow Framework)
Designation: DevOps Engineer – Level 3 Support
Duration: August 19, 2024 – Present

Roles & Responsibilities

• Provided advanced L3 support for EWF across development, staging, and production environments.
• Led Root Cause Analysis (RCA) and implemented permanent fixes to eliminate recurring incidents, reducing Mean Time to Recovery (MTTR).
• Collaborated with development and infrastructure teams to resolve code-level and deployment issues, ensuring seamless CI/CD pipeline execution.
• Developed and enhanced automation scripts and tools using Python, enabling improved monitoring, alerting, and system health checks (Prometheus, Grafana, ELK Stack, AWS CloudWatch).
• Supported troubleshooting and minor backend enhancements using Java to assist development teams in production-critical scenarios.
• Managed infrastructure using Infrastructure-as-Code (IaC) tools like Terraform and Ansible to ensure consistent, repeatable environments.
• Enabled secure, scalable release management using Git, Jenkins, GitLab CI/CD, Docker, and Kubernetes.
• Conducted performance tuning and optimization of EWF services and backend systems, enhancing throughput and minimizing latency.
• Ensured compliance with ITIL-aligned processes for incident, change, and problem management.
• Maintained operational documentation and collaboration via Jira and Confluence.

Company :Coforge | Full-time Hyderabad

Client: Channel 4 (UK)

Designation: Associate – DevOps Engineer

Jul 2021 – Feb 2023 (1 year 8 months)

Roles & Responsibilities:

• Containerized applications using Docker, enabling consistent environments from development through production.
• Designed and deployed scalable, resilient containerized environments for microservices using:
  Amazon ECS (Elastic Container Service)
  Amazon EKS (Elastic Kubernetes Service)
  AWS Fargate for serverless container execution.
• Implemented container orchestration strategies to support high availability, auto-scaling, and fault tolerance for critical applications.
• Collaborated with development teams to refactor legacy applications into microservices architecture for efficient deployment and scaling.
• Optimized container performance and resource usage, ensuring compliance with AWS best practices for cost and reliability.
• Built and maintained CI/CD pipelines to automate application build, test, and deployment processes using Git, Jenkins, and AWS CodePipeline.
• Conducted infrastructure automation and environment provisioning using Infrastructure-as-Code (IaC) tools.
• Participated in DevSecOps practices, integrating security checks within pipelines and container images.

INCIF TECHNOLOGY PVT LTD | Full-time
July 2017 – March 2021 (3 years 9 months)

Roles & Responsibilities:

• Administered and maintained Linux-based servers used for application hosting, CI/CD pipelines, and backend services.
• Performed Linux system-level troubleshooting, including file system issues, service outages, and resource bottlenecks.
• Managed user accounts, permissions, and SSH configurations, ensuring secure and compliant system access.
• Automated routine Linux tasks using shell scripts (Bash) to manage deployments, backups, log rotation, and service monitoring.
• Handled package management and software installations using tools like yum, apt, and rpm across various Linux distributions (Amazon Linux, Ubuntu, and CentOS).
• Implemented and managed cron jobs for scheduled tasks, like backups, monitoring, and cleanup operations.
• Configured and maintained system logging using rsyslog and journalctl, integrated logs into centralized monitoring tools.
• Hardened Linux systems following security best practices, including disabling unused services, applying security patches, and configuring firewalls (iptables/firewalld).
• Monitored system performance using native Linux tools such as top, vmstat, iostat, netstat, and htop.
• Supported Linux environments for CI/CD pipelines using AWS CodePipeline, CodeBuild, and CodeDeploy, ensuring smooth deployments and rollback procedures.