Sep 2021 – Jun 2024 · 2 yrs 9 mos · Bengaluru, Karnataka, India · On-site

• • Possess strong experience in operating system upgrades, including migrations from CentOS to RHEL, and major version upgrades such as RHEL 7 to RHEL 8 and RHEL 9, involving end-to-end planning, compatibility checks, backup strategies, testing, and post-upgrade validation. • Hands-on experience in server patching using Red Hat Satellite Server, including planning, scheduling, deployment, and post-patching validation. • Installation RHEL Operating system on various types of physical hardware and virtual machines. • User creation, Modification and deal with user related issues in Linux servers. • User and group Management & Administration on Linux Servers. • Managing system security, disk space, user profile creation and user rights management. • Implementing security policies like ACL, Sticky bit, SETUID, SETGID, and SUDO. • Implementing ACL, LVM, RAID, Backup & Restoration. • Scheduling jobs using Crontab and at job. • Installing and Updating software packages using RPM, YUM and Creating YUM repository. • RPM and YUM package installations, patch and other server management using Satellite server. • Configuring & using Network Services (SSH, RSH, FTP). • Actively engaged in troubleshooting efforts for Linux, network, and/or applications. • Linux Administration, System performance, User management, disk space management, Scheduling Jobs & coordinating with DBA in production environment. • Creating technical plans and implementing changes on production servers. • Creating and maintaining support documentation & checklist and knowledge base repository. • Performed all the client downtime events during off-hours. • Responsible for categorizing and implementing production improvements and standards into all staging, DR, and Production environments. • Monitor system events to ensure health, maximum system availability and service quality.

Apr 2021 – Jun 2021 · 2 mos · Bengaluru, Karnataka, India · Remote

• • User creation, Modification and deal with user related issues in Linux servers. • User and group Management & Administration on Linux Servers. • Managing system security, disk space, user profile creation and user rights management. • Implementing security policies like ACL, Sticky bit, SETUID, SETGID, and SUDO. • Linux Administration, System performance, User management, disk space management, Scheduling Jobs & coordinating with DBA in production environment. • Providing Remote Infrastructure Support to the Data centers at different geographical locations. • Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.

Sep 2020 – Apr 2021 · 7 mos

• Possess strong experience in operating system upgrades, including migrations from CentOS to RHEL, and major version upgrades such as RHEL 7 to RHEL 8 and RHEL 9, involving end-to-end planning, compatibility checks, backup strategies, testing, and post-upgrade validation.
• Hands-on experience in server patching using Red Hat Satellite Server, including planning, scheduling, deployment, and post-patching validation.
• Installation RHEL Operating system on various types of physical hardware and virtual machines.
• User creation, Modification and deal with user related issues in Linux servers.
• User and group Management & Administration on Linux Servers.
• Managing system security, disk space, user profile creation and user rights management.
• Implementing security policies like ACL, Sticky bit, SETUID, SETGID, and SUDO.
• Implementing ACL, LVM, RAID, Backup & Restoration.
• Scheduling jobs using Crontab and at job.
• Installing and Updating software packages using RPM, YUM and Creating YUM repository.
• RPM and YUM package installations, patch and other server management using Satellite server.
• Configuring & using Network Services (SSH, RSH, FTP).
• Actively engaged in troubleshooting efforts for Linux, network, and/or applications.
• Linux Administration, System performance, User management, disk space management, Scheduling Jobs & coordinating with DBA in production environment.
• Creating technical plans and implementing changes on production servers.
• Creating and maintaining support documentation & checklist and knowledge base repository.
• Performed all the client downtime events during off-hours.
• Responsible for categorizing and implementing production improvements and standards into all staging, DR, and Production environments.
• Monitor system events to ensure health, maximum system availability and service quality.