Summary
Overview
Work History
Education
Skills
Accomplishments
Certification
Timeline
Generic

Sunikumar J

Senior Infrastructure engineer
Bangalore

Summary

Dynamic Senior Infrastructure Engineer with extensive experience at ITC Infotech India LTD, specializing in Linux administration and cloud infrastructure management. Proven track record in incident management and high availability clustering, ensuring optimal service performance. Adept at problem-solving and implementing effective backup solutions, driving operational excellence in data center operations.

Overview

11
11
years of professional experience
1
1
Certification
2
2
Languages

Work History

Senior Infrastructure Engineer

ITC Infotech India LTD
11.2021 - Current


Roles &Responsibilities in Linux administration (SUSE & Red hat):


  • Standalone and Virtual Linux Server installation and configuration.
  • Centralized SMT,RMT,YUM Server creation and Configuration for patching all SUSE / Oracle Linux Servers
  • Migration of Physical server to XEN, KVM ,OLVM Virtual server
  • Installing Linux, High availability and Configuring 2 Node cluster (Active / Passive)
  • Integrating New File systems and Modifying existing File systems in to Existing VM or HA servers.
  • Stopping HA and clvm Cluster services during SAP, Oracle Upgrade
  • Doing cluster failover testing after SAP, Oracle Upgrade
  • Network system Administration for Servers and Clients, Importing Exporting File systems,
    configuration and troubleshooting NFS on both Stand alone and cluster servers
  • Use of LVM for New files system creation, dynamically extending and reducing partitions
  • Performing package management using RPM
  • Rear installation and configurations for day to day OS backup and restoration while disaster on any server
  • Xen, KVM, OLVM Virtualization and configuration
  • Assigning SAN LUNs from XEN, KVM, OLVM Host to VMs
  • Add, modify, and delete user/group accounts and set up a user's work environment
  • Installation, configuration and upgrading of Linux software products.
  • Kernel parameters tuning, Kernel dump configuration for HOST and VM’s.
  • Configuring and maintaining NTP services for time sync
  • Scheduling of automatic, repetitive Jobs using commands with Crontab
  • Swap Space, Memory, CPU Management
  • Resolving issue in Weekly & Monthly offline backup taken through EMC Networker (BCV Split and mount)
  • Migration of end of life hardware to supportable hardware
  • Firmware upgrade of server hardware
  • Decommissioning the servers upon end of life.


Ticketing Tool: Service manager by HP.
Monitoring Tool: HP Performance Manager.
Incident, Problem & change Management


(ITIL): -
* Implementing various Change requests.
* Providing RCA to the Problem Incidents.
* Working as a part of 24x7-support team.
* Working on the problem tickets and changes.
* Working on all the Kinds of Auto Generated Tickets.


Along with Linux managing HPUX and AIX legacy systems


AWS Cloud Work Experience:

Cloud Support Engineer responsible for ensuring maximum possible service availability and
performance. To analyze problem, perform troubleshooting and incident response on network and
system, communicate with various stakeholders and track problems through to resolution.


ITA

TCS
04.2021 - 10.2021
  • Application development focused on Migrating Enterprise Technology Solution (Linux, Unix & Application GFIT, SPIN, EIFIEL, DSAS, TIDAL) and integrating Apache, wordpress from on premises to Private Cloud for Hewlett Packard Enterprise .


IT Executive

ITC Infotech India LTD
04.2014 - 03.2021
  • Conducted regular audits of systems, networks, and security protocols to maintain compliance with industry standards and regulations.
  • Worked closely with vendors and technology partners on integrations, infrastructure and enterprise solutions.
  • Resolved workflow issues to optimize team productivity and improve delivery times.
  • Identified computer hardware and network system issues, performing troubleshooting techniques for remediation.

Education

BE - Electrical And Electronics

SVIT
Bengaluru, India
04.2001 -

Skills

Service level agreement management

Accomplishments

    Awarded as dedicated solutioning award in the year 2020 from ITC infotech India LTD

Certification

Associate AWS certification

Timeline

Associate AWS certification

09-2023

Senior Infrastructure Engineer

ITC Infotech India LTD
11.2021 - Current

ITA

TCS
04.2021 - 10.2021

IT Executive

ITC Infotech India LTD
04.2014 - 03.2021

BE - Electrical And Electronics

SVIT
04.2001 -
Sunikumar JSenior Infrastructure engineer