Accomplished Linux Administrator with over six years of experience delivering robust system support and solution-oriented IT services in diverse Linux environments. Expertise in monitoring, configuring, troubleshooting, and maintaining operating systems, with a proven track record of optimizing performance, enhancing system reliability, and driving operational excellence.
Overview
6
6
years of professional experience
Work History
Senior Engineer Service Delivery
Zen&Art Inc
10.2022 - Current
Project Name - The Goldman Sachs Group, Inc.
Key Deliverables:
Manage and respond to various system alerts, including FS Full, High CPU/Memory, Host Down, Multipath, NTP, PTP, and Network Bonding.
Oversee hardware alerts related to CPU failures, memory failures, storage battery issues, and controller failures.
Raise and coordinate hardware tickets with the on-site break-fix team to address hardware issues on Linux servers.
Delivered comprehensive daily support for user-related issues, effectively resolving challenges such as application slowness, access permissions, mount configurations, and user access rights, ensuring a seamless experience for end users.
Managed and prioritized multiple incoming calls, emails, and tickets daily from end users, effectively resolving queries and ensuring high levels of customer satisfaction.
Diagnosed and resolved kernel panic issues by determining root causes, including file system corruption, post-patching complications, and kernel corruption, ensuring system stability and reliability.
Addressed various backup failure issues, including non-operational backup services and unreachable backup gateways, by diagnosing the root causes and implementing effective resolutions to ensure data integrity and availability.
Collaborated with storage and network teams to troubleshoot and resolve various storage multipath issues, restoring storage resiliency and ensuring uninterrupted access to critical data.
Collaborated with the network team to address issues when hosts went offline due to network disruptions, raising cable checks and coordinating with the onsite team to restore network resiliency and minimize downtime.
Scheduled and managed weekend reboot jobs on various database servers in accordance with user requests, ensuring minimal disruption and optimal performance.
Linux Administrator (L1)
Raising Infotech Pvt. Ltd.
09.2018 - 10.2022
Key Deliverables:
Managed user and group accounts, including creation, modification, and password resets, ensuring proper file permissions and security protocols (CHMOD, CHOWN, CHGRP).
Analyzed and monitored server performance, addressing disk space management, RAM consumption, and swap issues to optimize system efficiency.
Implemented logical volume management, including LVM reduction, and performed software installations and OS upgrades using YUM and RPM.
Configured and maintained DNS, DHCP, SAMBA, NFS, FTP, and iSCSI servers to ensure seamless network connectivity and data sharing.
Scheduled routine tasks using cron, managed log rotation, and configured NTP clients for time synchronization.
Collaborated with cross-functional teams to proactively resolve incidents, enhancing client relationships and receiving recognition for outstanding issue resolution.
Led OS deployments for both Linux and Windows environments, ensuring proper configuration and integration.
Education
Bachelore in Technology - Computer Science
BPUT, Odisha
Odisha
05.2016
Skills
Operating Systems: RHEL 7, 8; Windows Server 2012, 2016
Server Configuration: SSH, DNS, DHCP, iSCSI, SAMBA, NFS