Gokulraj Kumarasamy

• Developed and maintained the automation of cloud-based resources using Terraform.
• Designed and implemented highly available cloud infrastructures using Amazon Web Services.
• Deploy applications across multiple environments, ensuring seamless integration and performance.
• Administer and troubleshoot cloud infrastructure, optimizing resource utilization and performance.
• Managing IAC via CloudFormation and managing the Lambda auto function templates, such as encryption, StackOps, etc.
• Utilize AWS services such as VPC, S3, Lambda, Step Functions, and CloudFormation to build scalable and resilient applications.
• Streamline application delivery in the Infra DevOps repository, GitLab, for CI/CD pipelines, enhancing deployment efficiency.
• Managing the DevOps platform microservice in K8s and under Docker containerization, managing the Argo, Airlock IAM, Airlock WAF, Liquibase, Elastic Search, and Logstash.
• Implement Infrastructure as Code (IaC) using Terraform Cloud to automate resource provisioning and management.
• Incident Management: Lead incident response efforts, coordinating with cross-functional teams to resolve issues swiftly and effectively.
• Troubleshoot application issues in Amazon EKS, focusing on file transfer and middleware components, ensuring minimal disruption to services.
• Manage SSL/TLS certificate lifecycles, ensuring secure communications, and compliance with industry standards.
• Managing the infrastructure configuration management via Ansible for the on-premises Linux servers from the Red Hat Satellite server.
• Enhance observability and incident response using PagerDuty, setting up alerts and on-call rotations to ensure rapid issue resolution.
• Manage disaster recovery processes, implementing strategies to minimize downtime, and data loss.

• Supported IT infrastructure availability through product and technical support, ensuring optimal system performance.
• Implemented a single-button deployment process from source code check-in to multi-environment deployment, streamlining development workflows.
• Managed AWS resources, including AMI creation, volume snapshots, IAM policies and roles, and security group configurations.
• Designed and implemented continuous integration and continuous deployment (CI/CD) pipelines, enhancing software delivery efficiency.
• Provisioned and managed EC2 instances, including EBS volume attachment, and partition creation.
• Configured server monitoring using Nagios, improving system observability, and incident response times.
• Utilized Terraform for infrastructure-as-code, provisioning EC2 instances in AWS according to client specifications.
• Created pre-build and post-build jobs in Jenkins to establish seamless CI/CD workflows.
• Containerized monolithic applications using Docker, transitioning to a microservices architecture to improve developer workflow, scalability, and performance.
• Managed Linux instances, including service checks, and application deployment on Tomcat servers.
• Implemented automated email notifications for failed jobs, enhancing team responsiveness to issues.
• Infra Hardening: Implementing the CIS benchmarks, compliance, and vulnerabilities policies.
• Infra Upgrade: Performed RHEL OS version upgrade and patch management.
• Managing BigFix tools for the automation setup and for patch management by creating the baselines.

• Infra Build: Deploying IBM physical hardware and installing RHEL OS through Kickstart, as well as virtual machines in vSphere.

• Infra Hardening: Implementing the CIS benchmarks, compliance, and vulnerabilities policies.

• Infra Upgrade: Performed RHEL OS/version upgrade and patch management.

• Infra Project: Handled multiple projects, like NTP, SMTP, SFTP, and AD integrations configuration to the environment.

• High Availability: Cluster installation and configured Veritas (VCS) and Linux HA pacemaker configurations. (PCS)

LVM Management: Physical devices, multipathing, and managing ext3, ext4, and xfs filesystems, and related VG, LV, and PV.

• VMware: Resource allocations and datastore creation with new LUN.

• Migration: Migrating VMs from one cluster to another. Physical server to virtual server migrations.

• Support of 25,000+ UNIX servers located in three independent data centers.
• Responsible for handling multiple customers and providing them with cloud solutions and day-to-day support on the cloud infrastructure.
• Familiar with Cloud Infrastructure, design, and implementation in AWS.
• Launch and manage Cloud instances along with Amazon Web Services, VPC, EC2, Route 53, CloudFront, S3, Auto Scaling, AWS Lambda, and IAM.
• Familiar with storage accounts, resource groups, and conversion from unmanaged disks to managed disks.
• Create volume groups, logical volumes, and file systems in standalone Linux/AIX servers using the native way and by using VERITAS.
• Perform RHEL OS/Version upgrades and AIX technology upgrades as per business requirements.
• Implement/Update cluster servers (VCS, SF, SFHA, and SFCFS) using VERITAS on Linux and AIX.
• VMware ESX – Migrations, memory/CPU upgrades, and space allocations to Linux servers.
• Support the storage team for storage migrations and storage-connected switch migration.

• Provide accurate and timely technical support to customers through advanced troubleshooting skills.
• Administering Linux, AIX, and Solaris servers.
• Analyzing the client servers and providing them with suggestions to improve performance and stability.
• Represent network solutions and communicate with the client for troubleshooting the issues related to providing accurate and timely solutions as per the SLA defined.
• Application and database servers, backup issues, and cluster issues.
• Part of the change team working on planning, scheduling, and implementing changes on production servers.
• Roles include updating recommended patches on Linux, AIX, Solaris environments, and OS/Volume manager upgrades based on client requirements.
• Providing support for users for installing software application packages based on their specific requirements.
• Recovery of servers in case of a crash and root cause analysis.
• Escalating the call, if needed, to Vendor Support Solutions for getting the root cause and resolution for the problems.
• Day-to-day tasks include user management, group management, backup monitoring, monitoring of disk space, monitoring of system logs, and so on in an LDAP-UNIX environment.