Summary
Overview
Work History
Skills
Certification
Educational Development
Personal Information
Disclaimer
Timeline
Generic
Someswara Rao Nalla

Someswara Rao Nalla

Hyderabad

Summary

RED HAT CERTIFIED ENGINEER WITH 9+ YEARS OF EXPERIENCE IT professional having NINE plus years of experience in design and implementation of IT infrastructure, Complex IT Networks, cloud and micro services solutions, Virtualization and System Administration (Linux & Windows). Functional and Technical experience in managing system for organizations like Banking, Shipping, Media ,Insurance, Procurement and Retail operations.

Overview

12
12
years of professional experience
1
1
Certification

Work History

Sr. Software Engineer

GAP Technology
07.2019 - Current
  • Develop automation code using Opscode Chef environments autonomously
  • Test automation code in virtual environments and with testing tools such as Test Kitchen and Chef Spec
  • Mange virtual instance with vSphere
  • Patching all SUSE Linux and oracle linux server using SUSE manager (spacewalk server)
  • Implementing Chef and Creating Recipes Analyses existing services and identify technical debt to work toward increasing sustainability Partners with various teams to ensure operating system configuration and application configuration is managed using Chef.

Linux Administrator

CA Technology
06.2018 - 07.2019
  • Working on project for Alerting Critical Commands, Server Logins and File modification from scripting(Shell)
  • Taking ownership for Patching of Linux servers to minimize Vulnerabilities on servers
  • Working with Samba server as ADS to make sure each server is joined to Domain
  • Monitoring of disk/memory and server health status by customized shell commands
  • Cleaning of disk/memory alerts by coordinating with Application team and by archiving system logs
  • Building of servers and managing VM's in VCenter using vSphere Client
  • Monitor and test application performance for potential bottlenecks, identify problem solution and work with developer/application team to implement fixes
  • Configuration of rsyslog/syslog for better log management
  • Extension of File System using LVM
  • Troubleshooting on OS issues in both physical and virtual environment
  • Providing end to end Linux support and resolving end user issues with better understanding of SLA Process Managing system Installation with Kick Start/PXE boot
  • Handing hands on Aws Environment
  • Upgrading Resources on VMs on fly
  • Migration of VMs from one host to another host, migration of VMs from one data store to another data store using Vmotion and Svmotion
  • Supported Linux servers in production/QA/Development Environment
  • Building of servers and managing VM's in VCenter using vSphere Client
  • Monitor and test application performance for potential bottlenecks, identify problem solution and work with developer/application team to implement fixes.

Technical Support Engineer

Oracle India Pvt Ltd
05.2016 - 05.2018
  • Supporting Clients global wise through Service Requests (Sev1,2,3,4) day to day job
  • Supporting Oracle Products Oracle Linux, Oracle VM, Exadata (Cell Node, DB Nodes) OS level, Exalogic (ovm part), OCFS2, Oracle ASM, Oracle Cloud Infrastructure, Docker, Openstack
  • Supporting RCA issues of system Crash (Kernel Panic) / Boot failure / Reboot issues
  • Analysing server performance issues (CPU/Network/Memory/IO ) and provide resolutions and recommendations for tuning
  • Supporting Oracle VM (Server / Manager UI) Installation, setup, OCFS2 cluster setup ( Pool file system / repository), storage, networking, vmcreation from cd, templates and vm console issues
  • Analysing Debug data KDUMP vmcore analysis, sosreport analysis, SAR, OS Watcher (Performance tool), VMPInfo (OVM diagtool), strace, tcpdump, Ilom Console log
  • Supporting OCFS2 Cluster setup, ocfs2 Disk & net hearbeat Cluster fencing issues, ocfs2 performance issues, Resizing ocfs2 cluster disk, Filesystem corruption issues, DLM issues
  • Supporting on OVM 3.0.x, 3.1.x, 3.2.x environment installation & upgrade and trouble shooting
  • Supporting customer issues by analyzing their environment and logs provided and supports by taking webex to resolve issues
  • Screening Bug cases and working with Development Team for Patch fixes
  • Analysing SAN issues, Device mapper multipath issues, path failures, rescan lun issues at OS Level
  • Preparation of Knowledge base articles / documentation and Technical sessions for the team on specific technical expertise areas
  • Supporting Infiniband,NIC,FCOE network issues OS Level (Mellanox InfiniBand card, of Driver issues, UEK/RHCK Kernel, ibdiagnet, ibqueryerrors.pl) Supporting Oracle ASMLIB issues (ASM Instllation, ASM disk creation and troubleshooting)
  • Supporting Unbreakable Linux Network (ULN), public-yum,Spacewalk setup, Subscribe channel, register issues
  • Supporting Local Yum Server configuration issues
  • Supporting Customers to update Security fix,updates,patches CVEs,Erratas to apply
  • Supporting customers to update OS,Kernel,Software and fix if any issues
  • OCFS2 (RAC/OCFS2) configuration and trouble shooting issues, Supporting OVM Manager Data base issues (Oracle, Mysql) Installation, trouble shooting, backup and restoration
  • Supporting Storage ZFS, EMC, HP, IBM, ISCSI, NetApp Storages Issues at OS level.
  • Responded to support requests from end-users and patiently walked individuals through basic troubleshooting tasks.
  • Collaborated with vendors to locate replacement components and resolve advanced problems.

Senior Engineer

Locuz Enterprises Solution Ltd
09.2012 - 03.2016
  • Maintaining Live Data centre servers and comprising of operating environments like RHEL Cent OS and Linux cluster Maintaining Postfix mail server and configuring web mail client’s round cube, squirrel mail and integrate with LDAP servers (389 Directory Server)
  • Troubleshooting postfix and LDAP user daily queries
  • Maintaining IPA server and creating user and groups
  • Mounting and maintaining storage LUN’s and creating NFS Partitions
  • Deployment OS through PXE boot and diskless installation
  • Maintaining HPC Cluster (more than 200 clusters)
  • Crontab schedule recurring events and modifying backup shell scripting
  • Installing and managing Monitoring tools for NOC (network operation centre) tools Manage engine IT360, and Sapphire
  • Installing and managing ganglia monitoring tools for cluster management
  • Monitoring and remediating issues with alerts and notifications to support servers and other application tools
  • Configuring and troubleshooting FTP server and maintain FTP user management
  • Testing of various types of open source tools and performance tuning, preventative maintenance, monitoring and alerting setup and OS Level hardening and error Log files analyzing
  • Creating and maintain LVM file system
  • A member of team which works on shift basis 24/7 renders technical based support to live data centre
  • The work under ITIL based services desk ticket and Maintain SLA as per customer defined time Maintaining server’s health and availability reports
  • Share knowledge and experience with team members as and when required OS Installations and troubleshooting with permanent fix.

Skills

Testing and debugging

undefined

Certification

Redhat Certification, 6, 2012

Educational Development

B.TECH, 2010, JNTU, Kakinada

Personal Information

Date of Birth: 08/29/89

Disclaimer

I hereby declare that the above-mentioned information is correct up to my knowledge and I bear the responsibility for the correctness of the above-mentioned particulars.

Timeline

Sr. Software Engineer

GAP Technology
07.2019 - Current

Linux Administrator

CA Technology
06.2018 - 07.2019

Technical Support Engineer

Oracle India Pvt Ltd
05.2016 - 05.2018

Senior Engineer

Locuz Enterprises Solution Ltd
09.2012 - 03.2016

Similar Profiles

CREATE PROFILE
Someswara Rao Nalla