ARVIND KUMAR VISHWAKARMA
Prayagraj,Uttar Pradesh
Summary
Experienced Linux Administrator with 8+ years of hands-on expertise in installing, configuring, and maintaining Linux-Based operating systems. Skilled in strategic project management and team leadership. Proficient in troubleshooting OS and hardware issues, performing system builds and upgrades, and ensuring compliance with security standards. Complex problem-solver with analytical and driven mindset. Dedicated to achieving demanding development objectives according to tight schedules.
Overview
16
16
years of professional experience
1
1
Certification
Work History
Tech Lead
Paytm Payments Bank Limited
2019.03 - Current
- Built Linux systems from scratch, customizing installations as per the business requirements
- Conducted troubleshooting of OS and hardware issues, diagnosing and resolving problems to minimize downtime
- Strong experience in RHEL/Centos Kernel based virtualization for building VMs using handmade scripts
- Modified RHEL/Centos ISO images according to the Minimum Baseline security
- Proficient experience in using and configuring Katello tool as repository server for patch management
- Configured Red-Hat/Centos Kick-start server using foreman tool for installing multiple servers via network
- Implemented and Monitoring system performance using Zabbix Server
- Migration from Centos to RHEL 7 and 8 using Convert2rhel and Leap upgrade utility
- Online SAN disk migration from host side using pvmove
- Applied OS patches and upgrades regularly to maintain system integrity and security
- Network Configuration: IP configuration; troubleshooting, NIC Teaming/Bonding, Route addition & deletion
- Conducted performance tuning, hardware upgrades, and resource optimization to enhance system efficiency
- Created automation scripts using Bash, Ansible and salt for OS administration tasks, improving operational efficiency
- Defined operational procedures and documented system configurations, processes, and troubleshooting steps
- Implemented Ansible and salt for configuration management and automation, streamlining repetitive tasks and ensuring consistency across systems
- Managed and maintained the Commvault backup infrastructure, ensuring data integrity and availability for critical business data
- Configured and optimized backup policies, schedules, and storage targets
- Monitored backup jobs and performed regular audits to ensure successful data protection and adherence to SLAs
- Troubleshot and resolved issues related to backup failures, storage errors, and network connectivity
- Collaborated with cross-functional teams to plan and execute data migrations and system upgrades
- Prepared detailed documentation and reports on backup status
- Gained basic knowledge of Docker, Kubernetes for container orchestration, and managing containerized applications in a clustered environment
- Basics of Cloud - AWS such as EC2 creation, Network assignation, VPC, Storage assignation and S3
- Basic understanding of Git
- Coordinated with vendors for procurement, support, and maintenance of hardware and software solutions.
SYSTEMS SERVICES REPRESENTATIVE
IBM India Pvt. Limited
2016.02 - 2019.02
- LPAR Creation & Installation
- Dual/Redundant VIO Servers setup
- NIM Server setup and client installation
- Designing, Installation and configuration of HA environment using HACMP
- Maintenance, up-gradation and migration of AIX OS
- Quarterly patching activity on IBM VIOS, HMC up-gradation and Power server firmware activity
- TL/SP upgrade and Patch/Fix installation on AIX
- Security hardening implementation on AIX/Linux servers according to the MBBS documents
- MKSYSB backup and restoring in AIX Servers
- Disk mirroring & Cloning.
- Replaced worn or broken parts on machines and equipment.
Sr. Customer Support Engineer
Wysetek Systems Technologist Pvt. Ltd
2013.05 - 2016.02
- LPAR Creation & Installation of AIX 6.1, 7.1 & Additional recommended packages
- Dual/Redundant VIO Servers setup & its client installation and configuration with GUI and command line interface as well
- Maintenance, up-gradation and migration of AIX
- Systems backup using mksysb and NIM server
- Adding, increasing paging space as per recommendation
- Disk mirroring & Cloning
- HMC & Power Server firmware up-gradation
- Firmware up-gradation of Storage, tape drive and san switches
- Replacing rootvg hard disk and other Server component i.e
- Power supply, cache battery, VRM
- Firmware up-gradation of Storage, tape drive and san switches.
Senior Customer Associate
Accel Frontline limited
2008.08 - 2013.05
- Troubleshooting of Server Hardware, Software & Network Related Issues
- Installation of Operating System like (Linux 5.3/Win XP/Windows 7)
- Linux User administration
- Installation of Standard Software & Applications, Drivers Installation etc
- Troubleshooting of IBM e-Server's Hardware, Software & Network Related Issues
- Server Hardware troubleshooting and replacement according to the problems
- Good experience in MS-Outlook, Outlook Express, Thunderbird and Lotus Client.
Education
Diploma - Electronics Engineering
01.2008
Skills
- OS: RHEL, Centos, Ubuntu and AIX
- Virtualization: AIX LPAR & RHEL KVM
- Scripting: Bash
- Monitoring: Zabbix
- Kickstart: Foreman & Katello
- Patching: Katello
- CM: Ansible and Salt
- Information Security: Qualys
- Cloud: AWS
- Backup: Commvault & Networker
Certification
IBM C4040-221 AIX 7.1 Administration
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Work Preference
Work Type
Finding my next roleWork Type
Full TimeWork Location
On-SiteRemoteHybridImportant To Me
Career advancementWork-life balanceCompany CultureFlexible work hoursHealthcare benefitsTeam Building / Company RetreatsTimeline
Tech Lead
Paytm Payments Bank Limited
2019.03 - Current
SYSTEMS SERVICES REPRESENTATIVE
IBM India Pvt. Limited
2016.02 - 2019.02
Sr. Customer Support Engineer
Wysetek Systems Technologist Pvt. Ltd
2013.05 - 2016.02
Senior Customer Associate
Accel Frontline limited
2008.08 - 2013.05
Diploma - Electronics Engineering
IBM C4040-221 AIX 7.1 Administration
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