Gopalakrishnan Subramanian

Gopalakrishnan Subramanian

Systems Administrator

Followers of Gopalakrishnan Subramanian3000 followers
location of Gopalakrishnan SubramanianHyderabad, Telangana, India

Connect with Gopalakrishnan Subramanian to Send Message

Connect

Connect with Gopalakrishnan Subramanian to Send Message

Connect
  • Timeline

  • About me

    Consultant - Principal Solutions Architect ScyllaDB

  • Education

    • Holy Family High School

      -
    • Edexcel London

      2000 - 2004
      BTEC HND DIPLOMA Computing
    • Indira Gandhi National Open University

      2000 - 2004
      BIT Information Technology
  • Experience

    • Oriensoft Technologies

      Oct 2001 - Jun 2002
      Systems Administrator

      Managed linux based SUN Cobalt RAQ Servers . Maintained a Qmail based Mass Mailing service .

    • Celeteron India ( Now Jabil Systems)

      Jul 2002 - Feb 2003
      Systems Engineer

      Database administration of Oracle 8i, 9i on Windows 2000. New database creation, tablespace, instance, and user administration Backup and recovery, importing and exporting of databases.Install and administer Internet services: DNS, Sendmail, Apache, IMAP, POP3, SecureShell, Squid, and Samba, on Linux boxes. Successfully reduced cost-of-ownership by migrating from Windows NT Domains to Linux- SAMBA servers with LDAP for user administration Installed Squid Proxy on Linux for Internet access with Access Control Lists to Screen Internet content, and manage bandwidth usage by generating reports using MRTG and SARG. Show less

    • Ness Technologies

      Nov 2003 - Jun 2005
      Systems Engineer

      Responsible for all UNIX installations and Daily administration of Sun Solaris servers and Troubleshooting basic network problems.Learnt basic PS DBA skills and responsible for installation of PS FCM 8.4 on SQL Server 2000 and HCM 8.8 on Oracle 9i on Windows 2000 Servers.Responsible for applying patches and bundles to this installation.Developed a number of stored procedures for daily maintenance and monitoring of PeopleSoft instance. Implemented backup mechanism for the same installation.Part of support and maintenance team with strict SLAsDemoed Integration Broker, a PeopleSoft delivered integration package. Show less

    • Fidelity Investments

      Jun 2005 - Sept 2009
      Senior DBA

      Senior DBA (Fidelity Investments - FIMT DBA June 2009 to August 2009):-Part of the Applications DBA and primary offshore contact for the Fixed Income systems. Our responsibilities included supporting schema development, Database Design, SQL tuning and Disaster recovery.Senior DBA (Fidelity Investments - Health and Wellfare )Wrote a number of Automation scripts required for Data Management as well as Database Cloning.Worked as part of a 12 member offshore team that managed 160 + Oracle Apps Database running Oracle OAB 11.5.10 Spear Headed upgrades of all oracle databases from 9.2.0.8 to 10.2.0.3 .Implementation of Oracle Streams (Implicit capture as well as downstream) and Materialized Views for Replication.Exposure to Performance Tuning using Stats Pack, AWR and Oracle Wait Interfaces.Implemented Open LDAP as a method of Oracle Names Resolution to replace Oracle Names server as well as remove dependency on Oracle Internet Directory to reduce costs.Implemented Failover and DR tests and actively involved in troubleshooting of problems with regards to Veritas Cluster Services, IBM HACMP.Exposure technologies/concepts such as 3DNS, BIG IP and Virtual App Handlers.DBA (Fidelity Investments - IDW June 2005 to June 2007)Part of a 3 member team to re-engineer existing functionality of a large set of Informatics ETL jobs. These use custom-built tools with Unix Shell scripting, DME FTP (utility to throttle bandwidth on optic fiber networks), SQL -Loader, to enable the system to reload a terabyte of data within 8 hours.Responsible for data refreshes from production to test environments for user acceptance and load tests using Transportable Tablespaces , SQL loader and a Variety of custom scripts using Partitioning .Responsible for Storage Estimation and Database sizing for the environment. Show less

    • Accenture

      Sept 2009 - Jun 2015
      Associate Manager ( Level C)

      Technical Architect (Accenture@Bestbuy March 2013 - till Date)Currently working as Technical Architect on-site for a Major Electronics Retail Giant in the US.I also represent the Offshore Database Administration Team which I lead for the last 5 years. In my current role as TA I am responsible for maintaining the Development, Execution and Operations Architecture (DevOps) needed for Projects (setup and Maintenance of Jenkins ,Stash and GitHub). I also maintain the Chef Code base that is used for Configuration Management. I work closely with Solution Architects and liaison with Infrastructure teams to identify environments to drive with setup of ConfigurationSystems.With my background on Database Administration I also help produce Database Sizing reports and assist with Application Performance Testing and Benchmarking.Database Delivery (Accenture@Bestbuy September 2009 to Feb 2013) :-Liasoning , Planning and execution with various teams for large scale DB platform migration Project ( 160 Databases ) and Transition to Operations .These included Databases that ran Retek , Oracle ERP Business Suite , Oracle OMS (Yantra) . Technically lead a 5 member offshore Oracle DBA team that functions as L3 on call ( Sev 1) for all Production Environments and as offshore point of Contacts for all Project Delivery .Was sole offshore POC for MYSQL and was involved in initial installation and forming standard methodologies and practices for MYSQL administration and installation.Assist with Application performance Testing to provide and Translate Database performance Reports, provide SQL tuning Recommendations Hands on with ASM, RMAN, Enterprise Grid , Patching and Upgrading Databases and Oracle Real Application Clusters.Role was expanded In January 2012 to include Middleware and Environment Management teams .Was responsible for People Management and Delivery in these areas. Show less

    • Accenture in India

      Jun 2015 - Jul 2017
      Technology Architect Manager

      Infrastructure and Operations Technology Architect Manager Oracle , BigData SMECurrently leading a team that developed a custom set of tools that exhibit Auto-Remediation on wide variety of platforms.The system is being actively probed for multiple engagements.Worked on an Accenture Internal project that developed proprietary IS Solutions . Was responsible for delivery of an OpenStack Cloud Platform where this would be hosted.Worked as a bigData SME where in I was consulted for configuration corrections as well define and create the Run-book for Operations team. Provided SME support for Infrastructure Engagements for various KT & Due-Diligence activities..Worked as an Oracle SME for stabilization for new accounts. Show less

    • Amazon Web Services (AWS)

      Jul 2017 - Jan 2025

      Bootstrapped an India GEO DB specialist team supporting the different Industry customer segments and driving sales growth with enabled and helping customers adopt Managed Database Services on the platformCrafted scalable programs and mechanisms to enable customer satisfaction and accelerate serviceadoption resulting 40%+ YoY growthLead an APJ wide Technical Field Community growing it by several time. Organized several internal events providing a platform for members to present on simple and advanced database topics.Published a number of internal and external blogs and videos. Show less

      • Principal Specialist Solutions Architect

        Oct 2018 - Jan 2025
      • Database Solutions Architect

        Oct 2018 - Oct 2021
      • Solutions Architect

        Jul 2017 - Oct 2018
    • ScyllaDB

      Jan 2025 - now
      Consultant
  • Licenses & Certifications

    • ITIL v2

      EXIN
    • Technology Architect

      Accenture MTA program
      Nov 2016
    • AWS Certified Database – Specialty

      Amazon Web Services (AWS)
      Jul 2020
      View certificate certificate
    • ScyllaDB Essentials Course Completion Certificate

      LinkedIn
      Oct 2024
      View certificate certificate
    • Oracle Certified Expert

      Oracle
    • Cloudera Certified Administrator for Apache Hadoop (CCAH)

      Cloudera
      Nov 2014
      View certificate certificate
    • Sun Certified Solaris Administrator

      Sun Microsystems
    • Sun Certified Solaris Administrator for Solaris 8

      Sun Microsystems
    • AWS Solutions Architect Associate

      Amazon Web Services
      Jan 2018
      View certificate certificate
    • AWS Certified Data Analytics – Specialty

      Amazon Web Services (AWS)
      Sept 2021
      View certificate certificate