System Administrator with 6+ years of experience managing to Linux System Server and Troubleshooting the Linux issues. I would like to contribute my knowledge and skills to the growth of the organization.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Technical Specialist
HCL Technologies Limited.
05.2023 - Current
Managing more than 6000 plus Linux in Oracle linux & CentOS Servers (Dev. Test, PROD) in the environment
Monitoring health of servers by SolarWinds monitoring tool.
LINUX ( Oracle Linux 6.x, 7.x, 8.x , CentOS 7, 8 ) installation and configuration on Vmware and physical servers.
Used Ansible and Salt as Configuration management tool to automate repetitive tasks, quickly deploys critical applications, and proactively manages changes,
Managing inventory file writing playbook for package management ,user management & other administrative Tasks.
File creation and permission assigning via Ansible to all managed node Collecting Ansible facts using setup module.
Writing playbook for Software Installation, service start, stop and enable and disable, creating file & directory via Ansible playbook.
Using adhoc command collecting and analyzing system performance for all managed node like CPU
utilization, memory utilization, file system utilization via Ansible playbook.
Patch Management through Spacewalk, Ksplice, yum, rpm, Cloud based Patching tools like Azure Update Manager, GCP Patch Manager for scheduling jobs.
Services and process management (stopping, starting, and refreshing)
Analyzing and fixing server performance issues (CPU, Memory, SWAP etc.) using top, sar, vmstat , iostat
Working on housekeeping of file systems like /tmp, /var.
Participating in CAB (Change Advisory Board) meeting in order to discuss the upcoming changes requests with change mangers in order to understand the impact and importance of the change to be made.
Handling Customer priority tickets and monitoring alerts tickets and resolving it in timely manner without any SLA Misses.
Servers Decommissioning (Physical and virtual servers).
Working with the Application Teams to fix their issues if belongs to Operating system.
Job scheduling and automating process using CRON.
Working experience in file systems and logical volumes resize using LVM.
User management Activities likes creating user and giving sudo access based on requirement.
OS Upgrades / Migrations from Oracle Linux 7 to Oracle Linux 8 using Leapp upgrade Utility. ( Inplace upgrade)
Linux System Administrator
Swaraa Tech Solutions LLP
09.2022 - 04.2023
Worked on a variety of Linux platforms Red Hat Enterprise Linux 6.x/7.x/8.x, CentOS7.x, which includes installation, configuring, and maintenance of applications on the Production environment
Installation and administration of VMware, ESXI servers, and VMs
Automated configuration management and deployments using Ansible playbooks and Bash scripts
Managed and installed patches and software packages using YUM and RPM and created YUM repository files for offline servers
Build servers using Morpheus, Center, and Packer
Providing Production support on a 24x7 basis
Analyzing system logs and identifying potential issues with servers and Desktops
Strong technical background in Storage, Disk Management, Logical Volume Management (LVM), and logical partitioning
Experience in setting up Docker and creating new images and getting images from Docker Hub, worked on Docker images and containers for deploying applications
Experience in Monitored System Activities like CPU, Memory, Disk, and Swap space usage to avoid any performance issues
Developed Automation scripts for File system management
Creating, Managing, and troubleshooting Linux servers (FTP, SFTP, SAMBA, YUM, Telnet, NFS, RAID, LVM, etc.).
Linux System Administrator
Skystack Professional IT Support Services Private Limited
04.2021 - 09.2022
Administrative, operations, and troubleshooting in Production Environments using CentOS, RHEL, Debian, and Ubuntu
Installation and administration of VMware, ESXI servers, and VMs
Creating, Managing, and troubleshooting Linux servers (FTP, SFTP, SAMBA, YUM, Telnet, NFS, RAID, LVM, etc.)
Maintain and operate a 24/7 high-performance, highly available application infrastructure
Planning and deployment of backup services (Commvault)
Provide support to design, test, deploy and troubleshoot various network and system-based solutions
Monitoring servers with all the required parameters with the Zabbix agent
Creating Triggers, Items, Graphs, and Screens in the Zabbix monitoring tool
Automated configuration management and deployments using Ansible playbooks and Bash scripts
Linux Package management tools (rpm, yum, etc)
Installing and configuring new servers based on requirements.
Linux System Administrator
Data Ingenious Global Ltd.
03.2020 - 04.2021
Administrative, operations, and troubleshooting in Production Environments using CentOS, RHEL, Debian, and Ubuntu
Installation and configuration of the XgenPlus with PostgreSQL with Replication
Support and bug fix for other IT departments to provide flawless services
Manual Server monitoring
On-call remote support to clients for creating DNS resource records
Supporting on-site teams over emails and on-call in solution deployment and production support
Hand-On experience in AWS (EC2, Route53)
SSL Installation on java application
Tacking backup on Linux Server using Tar & Rsync
Automated configuration management using Bash scripts
Scheduling jobs using Crontab
Linux Package management tools (rpm, yum, etc)
Database Knowledge with MYSQL with backup and recovery
Installing and configuring new servers based on requirements.
System Administrator
Dr ITM Ltd
10.2018 - 11.2019
Administrative operations on CentOS, RHEL, Debian, and Ubuntu
Installing and configuring new servers based on requirements
Monitoring servers with all the required parameters with zabbix agent
Creating Triggers, Items, Graphs and Screens in Zabbix monitoring tool.
IT Executive
Vkalp Outsourcing Services Pvt. Ltd.
07.2017 - 10.2018
Responsible for Desktop Infra on Intranet troubleshoot
Providing Desktop L1 & L2 Level Support
Providing support in VICI Dial and VICI Box server on Client end.