Bhupender Pareek
Summary
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.
Education
MCA -
Jaipur National University
05.2019
BCA -
Jaipur National University
05.2016
Intermediate -
Kendriya Vidyalaya Avikanagar
05.2013
High School -
Kendriya Vidyalaya Avikanagar
05.2011
Certification
- Amazon Certified Solutions Architect - Associate - W22SJGVDBM41125V
- Red Hat Certified System Administrator - 160-142162
- Red Hat Certified Engineer - 160-142-162
Timeline
Technical Specialist
HCL Technologies Limited.
05.2023 - Current
Linux System Administrator
Swaraa Tech Solutions LLP
09.2022 - 04.2023
Linux System Administrator
Skystack Professional IT Support Services Private Limited
04.2021 - 09.2022
Linux System Administrator
Data Ingenious Global Ltd.
03.2020 - 04.2021
System Administrator
Dr ITM Ltd
10.2018 - 11.2019
IT Executive
Vkalp Outsourcing Services Pvt. Ltd.
07.2017 - 10.2018
MCA -
Jaipur National University
BCA -
Jaipur National University
Intermediate -
Kendriya Vidyalaya Avikanagar
High School -
Kendriya Vidyalaya Avikanagar