Sridhar Tempalle

Experience

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  Vegam - Time Solutions

  Sept 2011 - Dec 2014

  Oracle DBA

  My work is to make sure the sanctity of databases isn't disturbed and is available to the clients 24x7. Troubleshoot the issues and restore its availability time and again. As a team and as an individual I try to make sure my contribution towards maintaining the database availability and its performance keeps scaling up and helps in improving the user experience for their applications that depend on these Information Managers in the following ways:• Responsible for handling mission critical production databases (Oracle 10g, 11g) to ensure high availability.• Managing multiple DBA projects simultaneously across various domains.• Performed installation of Oracle software in dev, test and prod environments.• Designed and implemented backup, recovery and disaster recovery policies using RMAN.• Using Recovery Manager (RMAN) backup of the database every day as incremental level 0 backup.• Changing database from No-Archive log mode to Archive log mode.• Working on logical and physical backups.• Handled several ad hoc projects for new and existing databases.• Oracle 10g and 11g database administration on Linux for Technical Support, Production (24x7)/ Development Support.• Documentation – Backup, recovery strategies and other database activities as required.• Maintaining database in development/testing/production environments including installation, configuration, backup, recovery and schema changes etc.• Manage database privileges Show less

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  Tech Mahindra

  Mar 2015 - Oct 2018

  Oracle DBA

  Working on Database Administration has always been my preferred area of work. Though I am a Database Administrator, I love working on documenting a lot of technical work, which helps in making the workplace an awesome collaborative experience. I work on 10g/11g/12c DB administration, Automation on OEM 12c Cloud Control activities which include the following:DB/OEM Activities:- A profound experience of upgrading databases from 10g & 11g to 12c.- Experience in handling databases hosted on RAW/CFS/ASM storage systems.- Worked extensively on Databases that use Delphix Storage systems.- Working knowledge of building new 12c databases as per the requirement.- Experienced in handling/managing regular DB admin activities on dev/stage/prod databases of multiple applications with Databases as large as 45TB and 4 node RAC databases.- Handled multiple databases with upgrades in the same server & also migration to new server (RHEL 6.x, 7.x servers) + upgrade including Grid installation.- Experience in building Physical Standby (Disaster Recovery).- Providing L1/L2 support for 10g/11g/12c databases. Installing/configuring the databases manually or using the DB Provisioning feature of OEM 12c Cloud Control, schema migration activities as per Cisco standards.- Installing/Upgrading OEM 12c Cloud Control (12.1.0.3/4)- Discovering targets and converting them as managed targets.- Creating monitoring templates and deploying them on targets for custom Metric Extension scripts.- Configuring software library to manage scripts/software binaries at a central location.- Creating blackout windows on the individual or multiple targets to suspend monitoring activities in order to perform maintenance activities.- Competency building within the team for 12c DB/EMCC administration.- Collaborating with multiple teams within the DBA network so as to standardize/update the operational documents to help smoothen the technical operations. Show less

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  Tata Consultancy Services

  Oct 2018 - now

  Assistant Consultant

  As a Project Manager:- Project and Release Management professional with hands on experience in IT Service Management for Enterprise Release Management Organization (Change, Incident, Problem, Deployment and Release Management).- Release Lifecycle Management with experience in Service Transition Process that includes Change Management, Release Planning and Preparation, Execution and Support.- Maintain SharePoint access and functionality for managing the Enterprise Releases.- Responsible for administering and reviewing the Change Requests in the Enterprise Change Control Board for Changes requested by the client.- Define policies, processes and oversight of Change Control processes including documentation of policies as per latest standards internal to the client. - Publish and maintain “How to” KB articles in the ECC change control portal and in SharePoint.- Provide guidance and assistance to respective Change Requestor teams to ensure Change Requests meet the standards and regulations set by the Change Control Team for various types of Change Request which would help them drive to execution.- Contribute to UAT & BAT testing of the latest features and requirements for Change Management Module in ESP Service Now.- API Testing of CR creation and lifecycle management to avoid manual methods of CR management using Postman and ARC.As an Oracle DBA:- End-to-End production support activities adhering to the Cisco Systems, Inc. process for Oracle Databases.- Supporting the team in planning and execution of DB upgrade from 11g/12c to 19c and applying quarterly/one-off/PSU patches released by Oracle.- Regular maintenance activities for DB Administration for Dev/Stage/Test/Prod instances.- Experienced handling DB's as large as 100TB.- Expert in handling Oracle RAC/ASM/OEM administration and work with Oracle Support for any required support.- Competency building / standardizing technical operational documents to help smoothen operations. Show less