Summary
Overview
Work History
Education
Skills
Accomplishments
Certification
Timeline
Generic

Indrani Pericherla

Linux Administrator & Team Manager
Monterrey

Summary

IT professional with 15+ years of experience 10+ years of hands-on expertise as Linux sysadmin. Currently managing a team of 60+ associates across multiple projects. I love to take new and challenging opportunities, achieving consistent results even in demanding situations. Able to communicate difficult technical situations to upper management. Agile: Service-Now, Jira, BMC Helix ITSM

Overview

18
18
years of professional experience
2
2
Certifications

Work History

I.T. Analyst

Tata Consultancy Services Ltd
Monterrey
02.2023 - Current
  • Project : Zayo, June 2023 – Present:
  • Zayo Group Holdings, Inc., or Zayo Group: The company provides communications infrastructure services, including fiber and bandwidth connectivity and cloud infrastructure.
  • Manage 600+ Linux servers as engineers providing end-to-end support to meet business needs, having meetings with directors and stakeholders to make proper solutions to new/existing products. L3 support given for critical and complex issues based on ITIL methodology, provide RCAs within the SLA (Service Level Agreement) period, change management, problem records, health checks, service requests, incidents, patching activities as well as root cause analysis.
  • Responsibilities:
  • Acting as a leader and subject matter expert in diverse topics
  • Solve complex issues along with other vendors if needed
  • Be part of the architectural team’s building infrastructure for new projects
  • Documenting and implementing new technologies
  • Onboarding of new servers
  • Responsible for joining customer calls to explain issues to higher management in detail
  • Daily activities and technologies used:
  • On-boarding of new servers into the organization.
  • Install and update existing software on the servers.
  • Hardware replacement (Disk, Fan etc)
  • Root cause analysis of incidents.
  • User management - IDM
  • LDAP
  • Resolve server performance issues. (kdump, strace, tcpdump, sar, iotop, vmstat, iostat, perfdata, lsof, netstat, ifstat, iperf, top, sosreport ...).
  • Detection and correction of issues at OS level.
  • File System management. (ext, xfs, reiserfs, Btrfs multipath devices {SAN}).
  • ASM management.
  • Clustering, load balancers (Peacemaker)
  • Nice, renice
  • CPU governors
  • Log rotate
  • NTP
  • SFTP
  • Postfix / sendmail
  • Bash scripting
  • Patching activities
  • Firmware upgrade
  • Create and update repositories
  • Cron schedule tasks
  • Sniffers / tcpdumps
  • Health checks
  • Migration activities
  • Proxy servers
  • DNS servers
  • Snapshots
  • Backups
  • SAN
  • NFS
  • Samba shares
  • Firewall

Aventiv Technologies
06.2022 - 06.2023
  • Roles and Responsibilities:
  • Enterprise Linux:
  • Physical and Virtual server build
  • Physical and Virtual server OS patching (Monthly and Quarterly)
  • Firmware update
  • Idrac IP change
  • Resyncing repos
  • Xfs errors
  • Bonding
  • Exposure to salt
  • Password change
  • Hardware replacement (Disk, Fan etc)
  • Filesystem expansion
  • Swap issues
  • Login issues
  • Splunk install
  • Restart of services (salt, Splunk etc)

Jeld-Wen
09.2021 - 10.2022
  • Roles and Responsibilities:
  • SUSE Linux
  • OS migration from SLES12SP4 to SLES15-SP2
  • OS-Patching through SUSE web using Salt and through CLI
  • FS disk addition and Disk deletion
  • Addition and deletion of servers from SUSE Web Manager server
  • NFS server creation
  • Samba server creation
  • Worked on zypper issues
  • Kdump creation
  • Bash shell scripting
  • Automation
  • Azure VM’s
  • Zypper issues

Dow Chemicals
10.2015 - 09.2021
  • Roles and Responsibilities:
  • Virtual Linux Server Build (RHEL 6/7/8)
  • Physical and Virtual server Decommission
  • Applying quarterly OS patching on all the Linux servers
  • Linux OS upgrade from Rhel-6 to Rhel-7
  • Disk Migration
  • ASM disk creation
  • File system creation and expansion
  • Disk addition and disk removal
  • Disk creation and File System creation on both Redhat Linux and HP-Unix environments
  • IBM Guardium and Onapsis Server Build in Linux Environment
  • Exposure to VMware V-Center
  • HPUX OS Patching
  • HPUX Firmware upgrade

I.T. Analyst

Genpact Ltd
01.2014 - 09.2015
  • Project: Dollar General:
  • Roles & Responsibilities: Storage and Backup Admin
  • Performed storage administration activities on EMC products VMAX, VNX and HP-3Par and IBM through GUI.
  • Creating Initiator, storage and port groups on VMAX and provision the storage as requested.
  • Provisioning Storage on VNX and V-MAX through Unisphere.
  • Scheduling backups, making backup policies on the EMC Networker.
  • Managing backup environment. It includes adding, deleting networker clients from Networker Management Console.
  • Working on backup performance.
  • Preparing reports on Avamar and EDL, Data Domain capacity.
  • Reporting the daily backup failures and providing resolutions
  • Restoration of data.
  • Extending the Retention Period of the Backup’s taken.
  • Performing Networker and DPA Stop and Start activities on a bi-weekly basis.

I.T. Analyst

Cognizant Technologies Ltd
04.2013 - 01.2014
  • Project: Allegis - Storage and Backup Admin
  • Roles & Responsibilities:
  • Performed storage administration activities on EMC products DMX, VMAX, VNX and Clariion.
  • Creating Initiator, storage and port groups on V-MAX and provision the storage as requested.
  • Creating Masking views and allocating storage on the V-MAX through SMC and SYMCLI.
  • Configuring SRDF and TimeFinder.
  • Worked on Fabric—Cisco.
  • Performing health checks on HP 3Par and Netapp.
  • Storage allocation on Netapp.

Accenture Services Pvt. Ltd
02.2011 - 04.2013
  • Project: KPN: Storage and Backup Admin
  • Roles & Responsibilities:
  • KPN is the leading telecommunications and ICT service provider in The Netherlands, offering wire line and wireless telephony, internet and TV to consumers, and end-to-end telecommunications and ICT services to business customers. KPN’s subsidiary Getronics operates a global ICT services company with a market-leading position in the Netherlands, offering end-to-end solutions in infrastructure and network-related IT.
  • Performed storage administration activities on EMC products DMX, VMAX and Clariion.
  • Creating Initiator, storage and port groups on V-MAX and provision the storage as requested.
  • Creating Masking views and allocating storage on the V-MAX through SMC and SYMCLI.
  • Preparing reports on Storage capacity.
  • Troubleshooting of the issues like: Lun invisibility, port issues, Hardware failures..
  • Followed up with EMC on the Hardware replacement..
  • Have knowledge on Timefinder and SRDF.
  • Worked on SMC and ECC and SYMCLI
  • Scheduling backups, making backup policies on the EMC Networker.
  • Managing backup environment. It includes adding, deleting networker clients from Networker Management Console.
  • Working on backup performance.
  • Preparing reports on Avamar and EDL, Data Domain capacity.
  • Reporting the daily backup failures and providing resolutions
  • Restoration of data.

Wipro Technologies Pvt. Ltd
06.2008 - 02.2011
  • Project: EMC2 CAS (2yrs 4months) and Clariion (6 months) Storage Admin:
  • Roles and Responsibilities:
  • Working as a part in the team of professionals to ensure smooth transitions for customer in the field of Centera hardware issues.
  • I have an in-depth knowledge about the EMC storage product Centera and Clariion, hands on experience in troubleshooting Replication, Regeneration and Node failures.
  • Disk failure cases are handled by running the reiserfsck to check the file system of disk. We also run build SB and built the tree structure of a file system if needed.
  • Worked on customer escalated issue.
  • Prepared Case Study for the new issues faced and shared with the team.
  • Investigating technical faults and providing assistance to Customer Engineers for onsite field activities.

Education

Masters in Commerce (M.Com) -

SardarPatel Degree and PG College
Hyderabad
01.2008

Bachelors of Commerce (B.com) - undefined

SardarPatel Degree and PG College
Hyderabad
01.2006

Skills

Operating systems: RHEL (Cluster and stand-alone), SUSE, Debian, Ubuntu, HP-UX, AIX, Solaris

VMware and Microsoft Azure

AWS cloud basics

Upgrading SUSE from version 12 to 15

CentOS to RHEL migration

Ansible, Bash Scripting, Cron Jobs

System upgrade from RHEL-7 to RHEL-8

Disk management

Disk and file system creation in RHEL Linux and HP-UX

HP-UX OS updates

HPUX firmware management

IBM Guardium server setup

System Administration, Server Builds, Patch Management

Accomplishments

    OS Migration - CentOS to RHEL (Physical server and VM)

    VM Build - RHEL (Standalone and Cluster), Zscaler, SUSE, IBM

    Virtualization - VMware and Microsoft Azure

    IDM Management

    SentinelOne installations

    Vulnerability Management

    Patch Management

    Server Management

    SUSE upgradation - SUSE12 to SUSE15

Certification

Certified EMCISA in Information Storage Management (EMC ID# EMC288508)

Timeline

I.T. Analyst

Tata Consultancy Services Ltd
02.2023 - Current

Aventiv Technologies
06.2022 - 06.2023

Jeld-Wen
09.2021 - 10.2022

Dow Chemicals
10.2015 - 09.2021

I.T. Analyst

Genpact Ltd
01.2014 - 09.2015

I.T. Analyst

Cognizant Technologies Ltd
04.2013 - 01.2014

Accenture Services Pvt. Ltd
02.2011 - 04.2013

Wipro Technologies Pvt. Ltd
06.2008 - 02.2011

Bachelors of Commerce (B.com) - undefined

SardarPatel Degree and PG College

Masters in Commerce (M.Com) -

SardarPatel Degree and PG College
Indrani PericherlaLinux Administrator & Team Manager