Summary
Overview
Work History
Education
Skills
Timeline
Generic

Pavan kumar Gajjala

Linux System Administrator
Chennai

Summary

Experienced Linux administrator with 5+ years of experience supporting servers virtually and physically on a 24/7 basis. Proficient in ITIL environments, managing SLAs, attending Change meetings, and overseeing daily operations handover with clients. Skilled in customer escalations, vendor management, and ensuring top-notch customer satisfaction through individual and team performance.

Overview

6
6
years of professional experience
1
1
Language

Work History

Technical Lead

HCL Technologies (Client: Wells Fargo)
07.2024 - Current
  • Administered and maintained Linux-based systems across multiple environments including UAT, SIT, DEV, and PROD ensuring high availability and performance.
  • Handled ServiceNow workflows including Change Requests, ART Requests, and incident resolution, ensuring compliance with ITIL standards under the ITSM framework.
  • Performed regular password resets and access management for all Wells applications across all test and production environments.
  • Executed server migration tasks including planning, configuration, testing, and deployment with minimal downtime and data integrity preservation.
  • Managed and monitored Autosys job scheduling, resolving job failures and optimizing workflows for better system performance.
  • Coordinated and performed code deployments using tools like Harness and Jenkins, collaborating with DevOps and development teams for CI/CD pipeline integration.
  • Ensured secure and seamless environment provisioning and configuration management.
  • Maintained documentation for system processes, deployment activities, and change controls.

Linux System Administrator

IPSIDY
02.2024 - 06.2024
  • Creating and Managing File Systems, and Building & Maintaining Storage Volumes using Logical Volume Manager (LVM)
  • Creating & Extending/Reducing File-systems
  • Mount & un-mount of file systems - /etc/fstab mount options disk-quota, auto-mount
  • Extending root file-systems on Linux boxes
  • Troubleshooting server panic issues
  • Troubleshooting the server booting issues through the Rescue Mode or Maintenance Mode
  • Monitor the servers for proactive and reactive management
  • Monitoring system performance using top, iostat, vmstat, netstat etc, and troubleshooting the daily CPU and Disk related issues.

Linux System Administrator

IBM PVT LTD.
04.2022 - 12.2023
  • Overall 5Years of experience in Linux administration by supporting the servers virtually and physically on 24/7 basis
  • Work on rotational shifts in order to provide the support on 24/7 basis
  • Have a good expertise/experience on ITIL environment in managing and maintaining the SLAs, managing & attending Change-meetings, scheduling & managing daily Operations handover with the client
  • Handling customer escalations, managing vendors and providing utmost customer satisfaction through self and Team performance.

Linux System Administrator

TMS
03.2019 - 04.2022
  • 24/7 support: Providing good value services to the customer through L1 and L2 level 24x7 supporting on shift rotation basis for Linux Servers
  • File system Management: Creating, Managing file systems as per the application requirements which also includes RAID-level implementations using Online-disk suite, implementing disk quotas on Existing FS
  • Back-up & Recovery of File systems: Performing File-system backup as per the organization's backing-up strategies and file-system recovery management in case of data loss or data replication scheduled
  • Installing the SSL certificates in Production, Test and Integration Environments
  • Creating shares for the new provisioning applications by using NFS and EMC tools
  • Responsible for Incident Tickets Assignment and Execution which directly depends on PRODUCTION Environment
  • Responsible for the entire operation during the dedicated shift as SHIFT CO-ORDINATOR
  • Analyzing the tickets and resolving within the targeted Time to clients
  • Responsible in deployment of applications and in modification of server configurations
  • Monitors tickets and Incident queues and directs the ticket assignment
  • Dispatch tickets and oversee the resolution
  • Initiate escalations to Stream, Tower and Operations Leads
  • Prepare shift report of critical issues to tower leads and operations leads for review
  • Ensure verbose activity information of tickets and changes
  • Ensure that SLAs are met
  • Manage shift handover and passing activities to the next shift
  • Support on server services like NFS, Auto mount, Samba servers, etc
  • Performance Management, Process Management
  • Change management: Actively participated on change-requests that are given by the customer on their servers
  • Also to prepare the technical as well as process documentation for any changes
  • Co-ordination with Application Owners, Server Owners
  • Responding to Customer Queries and following the existing processes
  • Ticketing Management: Working on BMC-Remedy, which is a ticketing management tool, used to generate and resolve the tickets
  • Design EC2 instance architecture to meet high availability application architecture and security parameters
  • Creating S3 buckets and also managing policies for S3 buckets and Utilized S3 bucket and Glacier for storage and backup on AWS
  • Worked on AWS services such as Setting up new server (EC2) instances/services in AWS, configuring security groups, and setting up Elastic IP's, auto-scaling.

Education

Skills

Operating Systems: Linux (RHEL, CentOS), UNIX

ITSM & Ticketing: ServiceNow (Change Requests, ART Requests, Incident Management), ITIL Framewor

CI/CD & Deployment: Jenkins, Harness

Job Scheduling: Autosys

undefined

Timeline

Technical Lead

HCL Technologies (Client: Wells Fargo)
07.2024 - Current

Linux System Administrator

IPSIDY
02.2024 - 06.2024

Linux System Administrator

IBM PVT LTD.
04.2022 - 12.2023

Linux System Administrator

TMS
03.2019 - 04.2022

Similar Profiles

CREATE PROFILE
Pavan kumar GajjalaLinux System Administrator