Ravi Kolla

• Company Overview: Client: qualifacts
• Managed and administered VMware vSphere environments, including ESXi hosts and vCenter Server.
• Created and configured virtual machines (VMs) using vSphere, ensuring optimal resource allocation and performance.
• Performed firmware updates on hardware components to ensure compatibility and security.
• Monitored and maintained the health and performance of virtual infrastructure, using vCenter to track metrics and logs.
• Implemented and managed VMware vSphere High Availability (HA) and Distributed Resource Scheduler (DRS) for improved uptime and resource efficiency.
• Configured and managed storage solutions, including VMware vSAN and traditional SAN/NAS systems.
• Automated repetitive tasks using PowerCLI scripts to streamline VM provisioning, configuration, and management.
• Performed regular backups and disaster recovery (DR) testing to ensure data integrity and business continuity.
• Managed and applied patches and updates to ESXi hosts using VMware Update Manager (VUM).
• Created and maintained documentation for infrastructure configurations, procedures, and policies.
• Collaborated with IT teams to design and implement virtualization strategies that meet business requirements.
• Conducted capacity planning and performance tuning to ensure infrastructure scalability and efficiency.
• Provided support and troubleshooting for virtualization-related issues, resolving problems promptly to minimize downtime.
• Ensured security and compliance by implementing access controls, network segmentation, and regular audits of the virtual environment.
• Trained and supported team members in using vSphere and vCenter for managing virtual infrastructure.
• Administered Linux servers, including installation, configuration, and maintenance of various distributions (e.g., Ubuntu, CentOS, Red Hat).
• Automated system administration tasks on Linux using shell scripts and configuration management tools (e.g., Ansible, Puppet).
• Managed user accounts, permissions, and security settings on Linux systems.
• Monitored system performance and performed troubleshooting for Linux servers to ensure optimal operation.
• Conducted regular updates and patch management for Linux systems to maintain security and stability.
• Configured and managed network services on Linux servers, including DNS, DHCP, NFS, and Samba.
• Client: qualifacts

• Configured and deployed servers for new cloud-based application, enhancing scalability and performance.
• Developed data pipelines across AWS, Azure, and Google Cloud Platform environments.
• Conducted site assessments to evaluate existing building conditions and recommend renovation solutions.
• Leveraged customer feedback to pinpoint improvement areas, achieving 10% increase in customer loyalty.
• Designed and implemented secure, multi-zone hybrid cloud infrastructure for seamless resource integration.
• Managed cluster upgrades and deployed monitoring solutions including Prometheus and Grafana.

• Company Overview: Client: Verifone
• Configured and deployed servers to support a new cloud-based application, resulting in improved scalability and performance
• Led the migration of the company's IT infrastructure to the cloud, resulting in improved scalability and performance
• Designed and implemented a secure, multi-zone hybrid cloud infrastructure, allowing for seamless integration between on-premise and cloud-based resources
• Utilized DevOps practices to automate deployment processes and improve system reliability
• Client: Verifone

• Company Overview: Client: Verifone
• Configured network architecture on AWS, including VPCs, subnets, internet gateways, NAT, and route tables.
• Client: Verifone

• Company Overview: Client: Citibank
• Served as a team member in the Global Data Migration & Provisioning Team for Citibank Technologies.
• Supported data migrations and provisioning tasks for North America, Latin America, and EMEA regions.
• Assisted the Global Administration, Provisioning, and Migration Team.
• Performed DevOps tasks for various projects on Linux platforms, aiding clients in building, securing, and optimizing their IT infrastructure.
• Administered Jenkins jobs and Docker containers, maintaining Docker files.
• Created Docker container images, tagging and pushing them to a private Docker registry.
• Configured CI/CD pipelines using Jenkins, Maven, SonarQube, and GitLab.
• Wrote Ansible playbooks and roles; acted as a Bitbucket admin for the project.
• Deployed applications using Bamboo and Terraform to AWS ECS clusters.
• Managed deployments to both on-premises and AWS cloud environments.
• Led the migration of the company's IT infrastructure to the cloud, enhancing scalability and performance.
• Developed a hybrid cloud infrastructure for secure data transfer between on-premises and cloud systems.
• Created detailed engineering plans and designs for various infrastructure projects, improving safety and efficiency.
• Utilized cloud computing technologies to reduce overall infrastructure costs by 10%.
• Developed and maintained networking scripts using Python to automate tasks and improve network management.
• Utilized Python for automating network configurations, monitoring network performance, and troubleshooting network issues.
• Client: Citibank

• Managed and administered Kubernetes clusters to ensure high availability and performance.
• Deployed, scaled, and managed containerized applications using Kubernetes.
• Configured and optimized Kubernetes resource allocations and limits to maximize cluster efficiency.
• Implemented monitoring and logging solutions using Prometheus, Grafana, and ELK stack for cluster and application performance.
• Developed and managed CI/CD pipelines for automated application deployment and updates in Kubernetes environments.
• Performed regular cluster upgrades and maintenance tasks to ensure up-to-date security and functionality.

• Company Overview: Client: Shell
• Managed and configured Jenkins jobs, pipelines, and plugins to streamline development workflows.
• Deployed and managed applications on OpenShift, ensuring scalability and high availability.
• Developed Python scripts for automating CI/CD tasks, infrastructure provisioning, and deployment processes.
• Integrated Jenkins with version control systems (e.g., Git) and automated testing frameworks to ensure code quality and reliability.
• Configured and managed OpenShift projects, applications, and resources, ensuring optimal performance and security.
• Deployed applications to AWS and Azure environments using Jenkins and OpenShift, leveraging cloud-native services and infrastructure.
• Utilized AWS services (e.g., EC2, S3, RDS) and Azure services (e.g., VMs, Blob Storage, SQL Database) for application deployment and data management.
• Implemented infrastructure as code (IaC) using Terraform and Ansible for consistent and repeatable cloud infrastructure provisioning.
• Monitored and optimized CI/CD pipelines for performance, identifying and resolving bottlenecks and issues.
• Developed and maintained custom Jenkins shared libraries and Python modules to standardize and reuse CI/CD processes.
• Automated infrastructure provisioning and configuration management tasks on AWS and Azure using Python scripts.
• Ensured security and compliance by implementing role-based access control (RBAC) and monitoring solutions in Jenkins and OpenShift.
• Collaborated with development and DevOps teams to integrate CI/CD best practices and OpenShift deployment strategies.
• Provided training and support to team members on Jenkins, OpenShift, Python scripting, and cloud deployment processes.
• Client: Shell

Managed VMware vSphere environments, including ESXi hosts and vCenter Server configurations.

• Created and configured virtual machines, optimizing resource allocation and performance.
• Performed firmware updates on hardware components to ensure compatibility and security.
• Monitored virtual infrastructure health, utilizing vCenter to track metrics and logs.
• Implemented VMware vSphere High Availability (HA) and Distributed Resource Scheduler (DRS) for increased uptime.
• Automated VM provisioning and management tasks using PowerCLI scripts to enhance efficiency.
• Conducted regular backups and disaster recovery testing to maintain data integrity.
• Collaborated with IT teams to develop virtualization strategies aligned with business needs.