• Experience as an Openstack administrator in creating, managing users, roles, groups, domains, services, endpoints; managing quotas, instances, snapshots, metadata, creating new images; managing and creating networks, routers, subnets, allocation pools; managing swift objects, time stamps, cinder volumes; using heat templates and troubleshooting. Experience in handling production issues in complex Unix environments• Managed the orchestration of containerized applications across multiple clusters using Kubernetes, ensuring high availability and scalability of services.• Automated the deployment, scaling, and management of containerized microservices using Kubernetes with features like Helm and Kustomize.• Expertise in configuring Kubernetes Networking, Ingress Controllers, and managing persistent storage using Persistent Volumes (PVs) and Persistent Volume Claims (PVCs).• Implemented monitoring and logging solutions for Kubernetes clusters using tools like Prometheus, Grafana, and ELK Stack.• Automated system configuration, application deployments, and IT infrastructure tasks using Ansible, reducing deployment times and minimizing human error.• Created reusable Ansible playbooks and roles for configuration management, ensuring consistency across multiple environments.• Integrated Ansible with Jenkins for continuous delivery (CI/CD) pipelines, enhancing deployment automation and speeding up releases.• Managed infrastructure-as-code (IaC) using Ansible for automating server setups, package installations, and security hardening.

• Maintaining systems by managing product and capability roadmaps, establishing maintenance procedures, and• working with systems administrators and other engineers to perform regular network maintenance• Managing the design, installation, upgradation, maintenance, and troubleshooting of L1 level issues on networking and• configuring NFS, NIS Server and Auto Mount environment on Linux.• Working on File System, Disk Management, User Administration, Kernel Upgrade, Package and Patch Management in• Solaris & Linux• Monitoring the performance and troubleshooting using SAR, VMSTAT, IOSTAT, NETSTAT, NFSSTAT and top.

• Worked in Infrastructures operation Activities.• Working as a Unix Engineer, In Environment of 52000 servers.• Working on BAU issues and ensuring the alerts are minimized.• Installing, configuring RHEL 5/6/7 Enterprise Linux.• Configuring the puppet• File System Administration like Extending or reducing existing filesystem.• Coordination with DCO and Vendor to replace the faulty Hardware part identified during live• Monitoring the alerts and creating the tickets for the raised alerts.• Power broker authentication is used to login on servers.• /etc/sudoers configuration and management giviing sudo access to app user or to root.

• Performed BAU Operations Activities• Created Partitions, formatting, mounting (Temporary & Permanent), Assigning label to the Partition, Mounting a Partition using Label &blk id(UUID).• Creating a Swap Partition, encrypting a Partition using LUKS (Linux Unified Key Setup).• Creating Physical Volumes (PV), Volume Groups (VG), Logical Volumes (LV), Mounting, extending a VG, increasing size of LV, Migrating LV from one PV to another, creating a VG by specifying the Physical Extent (PE) size & Creating an LV by specifying no. of Logical Extents (LE).• Creating Users, Assigning Passwords, Modifying User Attributes, Locking & Unlocking a user accounts, Changing Password Parameters and Deleting users.• Creating Groups, modifying properties of Groups and Adding & Removing Members to Groups.• Worked experience in BIOS, MBR, GRUB, Kernel, Init & Run Levels.• Remote Shell Access using SSH, Password less login using SSH Key and Remote File Transfer with SCP & RSYNC.• Working experience in Software Management by using YUM & RPM commands