Summary
Overview
Work History
Education
Skills
Certification
Languages
Hobbies and Interests
Disclaimer
Languages
Timeline
Generic

Lalit Kishor Raut

Navi Mumbai

Summary

Results-driven IT professional with over 12 years of experience specializing in Linux and Solaris system administration. Proven expertise in managing large-scale enterprise environments, performing system installations, upgrades, patching, and troubleshooting. Adept at ensuring high availability, security compliance, and optimal performance across mission-critical systems. Strong background in server hardening, virtualization technologies (Linux VMs and Solaris LDOMs), and working in ITIL-based service management environments. Recognized for a proactive approach to problem-solving, cross-functional collaboration, and delivering robust infrastructure solutions to support business objectives.

Overview

13
13
years of professional experience
1
1
Certification

Work History

Senior System Administrator

Oracle India Pvt Ltd (HDFC Bank)
Navi Mumbai
11.2022 - Current
  • Configured and maintained Solaris 10 and 11 systems, including patching, security hardening and system tuning.
  • Troubleshot server related issues like slow response time or application crashes.
  • Ensured compliance with corporate policies by periodically auditing the systems for any unauthorized changes or modifications.
  • ·Performed daily health checks on all Linux servers to ensure optimum performance standards were met.
  • Prepared detailed documentation related to system configurations, maintenance procedures, and incident reports.
  • Ensured the security and integrity of the server through regular patching and system updates.
  • Monitored performance metrics such as disk space utilization, memory usage, and CPU load.
  • Installed, configured, and maintained Linux operating systems in a variety of environments.
  • Maintained user accounts, assigned privileges, and monitored user access rights.
  • Troubleshot network connectivity issues between multiple systems within the environment.
  • Ensured compliance with IT policies and regulatory requirements, conducting regular audits and assessments.

Oracle Exadata Administration – Key Responsibilities

  • Perform cell server (CELLSRV), storage server, and compute node administration.
  • Manage and monitor Exadata storage (ASM disks, griddisks, celldisks, flashcache).
  • Apply quarterly Exadata patch bundles (Compute, storage, and ILOM firmware).
  • Troubleshoot performance issues using tools like dcli, sundiag
  • Coordinate with Oracle Support for SR creation and patch deployments.
  • Perform network configuration for InfiniBand and bonded Ethernet interfaces.
  • Monitor hardware health (disks, power supplies, fans) using ipmitool, ILOM, and Oracle tools.
  • Backup and restore configurations using dbnodeupdate and EXAchk.
  • Secure Exadata with hardening best practices and patch compliance.

Oracle Supercluster Administration – Key Responsibilities

  • Manage SPARC compute domains (LDOMs), I/O domains, and Solaris Zones.
  • Administer ZFS Storage Appliance (ZS3/ZS7), including shares, snapshots, and performance tuning.
  • Perform firmware upgrades and quarterly patch sets (PSUs) across Solaris, ILOM, and ZFS.
  • Troubleshoot InfiniBand fabric issues and use tools like fwupdate, zonestat, and ldm list.
  • Manage storage provisioning via SAN/NAS and ZFS shares to Solaris or Linux zones.
  • Handle Oracle VM for SPARC virtualization and logical domain migrations.
  • Monitor resource usage across CPU, memory, and network for all Solaris zones.
  • Perform kernel patching and Solaris Live Upgrade where applicable.
  • Configure and manage redundant boot environments for patch rollback.

Oracle Private Cloud Appliance (PCA) – Key Responsibilities

  • Manage virtual machine life cycle using Oracle VM Manager (OVMM).
  • Configure and maintain OVM servers, storage repositories, and server pools.
  • Apply Oracle PCA patch bundles covering OVM, Dom0, DomU, and management nodes.
  • Troubleshoot Oracle VM networking (VNICs, VLANs, bonding) and storage connectivity.
  • Integrate with external SAN/NFS storage and manage LUN presentation and multipathing.
  • Monitor system health using Oracle Enterprise Manager (OEM) and PCA CLI tools.
  • Create and manage custom VM templates and import/export virtual appliances (OVA).
  • Manage firmware updates for compute, storage, and InfiniBand switches.

Linux System Administrator

Wipro Limited (IDFC First Bank Limited)
Airoli, Navi Mumbai
07.2021 - Current
  • Perform ongoing performance tuning, hardware upgrades, and resource optimization as required. Configure CPU, memory, and disk partitions as required.
  • Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups.
  • Repair and recover from hardware or software failures. Coordinate and communicate with impacted constituencies.
  • Perform ongoing performance tuning, hardware upgrades, and resource optimization as required. Configure CPU, memory and disk partitions as required.
  • Volume Management, File System Management, Logical Partitioning and Administration
  • Review of daily/weekly/monthly checklist
  • Preparation of MIR for Major Incident
  • Satellite Server Management
  • Creating or modifying proxy as per request
  • Setting the standard MBSS policies for newer environments
  • Vulnerability Assessment for all the Server and their mitigation

Senior Engineer

Accelya Solutions India Limited
Vikhroli (W)
07.2018 - 06.2021
  • Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups.
  • Vulnerability Assessment for all the Server and their mitigation
  • Managing and configuration of RHEL Server in Satellite for OS Patching Configuration of Linux server in Identity Management (LDAP) for Access to Linux Server
  • Repair and recover from hardware or software failures.
  • SSL Certificate renewal on yearly basis
  • Taking care of day-to-day operations.
  • Handling the tickets using Ticketing tool

Senior Engineer

Netmagic IT Services Private Limited
Vikhroli, Mumbai (W)
01.2017 - 07.2018
  • Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups.
  • Repair and recover from hardware or software failures. Coordinate and communicate with impacted constituencies.
  • Apply OS patches and upgrades on a regular basis, and upgrade administrative tools and utilities. Configure/add new services as necessary.
  • Upgrade and configure system software that supports infrastructure applications or Asset Management applications per project or operational needs.
  • Handling the tickets using Ticketing tools

Senior Engineer

Ericsson India Global Services Pvt. Ltd
Koparkhairane, Navi Mumbai
12.2014 - 12.2016
  • Installation of Solaris 10G, Patches upgradation, Application Installation on Sun Solaris Servers.
  • Working with server model like V440,V240,T1290,T2000,v480
  • Backup and recovery using tar, ufsdump, ufsrestore.

Engineer

Alcatel Lucent Managed Solutions India Pvt. Ltd
Koparkhairane, Navi Mumbai
04.2013 - 11.2014
  • Planning, Designing, Implementation, Maintenance and Administration of various applications for the management and FCAPS of the Reliance Networks like RDN (Reliance Data Network), DCN (Data Communication Network) and MEN (Metro Ethernet Network)

Trainee Engineer

Reliance Communications
Koparkhairane, Navi Mumbai
11.2012 - 03.2013
  • Planning, Designing, Implementation, Maintenance and Administration of various applications for the management and FCAPS of the Reliance Networks like RDN (Reliance Data Network), DCN (Data Communication Network) and MEN (Metro Ethernet Network)

Education

B.E - Electronics and Telecommunications

Terna Engineering College
Nerul
01.2012

Diploma -

Shreeram Polytechnic
Airoli
01.2009

10th -

Shreeram Vidyalaya
Airoli
01.2006

Skills

  • Operating Systems: REDHAT Linux (6X,7X8X), CentOS (6X,7X,8X) and Oracle Linux (7X,8X)
  • Solaris 11 administration and configuration
  • Private Cloud Appliance Management
  • Exadata Administration for Compute and Storage
  • Performance tuning
  • Security hardening
  • Vulnerability assessment
  • LVM,SCSI,SATA,ext2 ,ext3,ext4 ,XFS and (NAS and RAID 0/1/5) and SAN

Certification

  • Completed REDHAT Certification in RHEL 6 Certification
  • ITIL v3 Training and Certification
  • Oracle Certified Professional Oracle Linux 8 System Administrator
  • Oracle Cloud Infrastructure 2025 Certified Foundations Associate

Languages

English, Hindi, Marathi

Hobbies and Interests

Chatting, Watching and Playing Cricket

Disclaimer

I hereby declare that the information furnished above is true to the best of my knowledge.

Languages

Marathi
First Language
English
Upper Intermediate (B2)
B2
Hindi
Advanced (C1)
C1

Timeline

Senior System Administrator

Oracle India Pvt Ltd (HDFC Bank)
11.2022 - Current

Linux System Administrator

Wipro Limited (IDFC First Bank Limited)
07.2021 - Current

Senior Engineer

Accelya Solutions India Limited
07.2018 - 06.2021

Senior Engineer

Netmagic IT Services Private Limited
01.2017 - 07.2018

Senior Engineer

Ericsson India Global Services Pvt. Ltd
12.2014 - 12.2016

Engineer

Alcatel Lucent Managed Solutions India Pvt. Ltd
04.2013 - 11.2014

Trainee Engineer

Reliance Communications
11.2012 - 03.2013

B.E - Electronics and Telecommunications

Terna Engineering College

Diploma -

Shreeram Polytechnic

10th -

Shreeram Vidyalaya
Lalit Kishor Raut