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Sr. Database Administrator Resume

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Foster City, CA

SUMMARY

  • Over 20 years of experience in IT Industry working as a DBA in Development and Production.
  • Had done various Oracle projects using RMAN for Backup and recovery, Data guard for Disaster recovery, Installation, Configuration, Migration, upgrade, cloning, patching, Performance Tuning.
  • Excellent experience in Installation and configuration of different databases on OS UNIX/LINUX and Windows
  • Planned and scheduled the Physical (Cold / Hot) backups as well as Logical backups for Oracle/MSSQL Server/MySQL/Vertica/MongoDB/Cassandra/CouchBase/Redis databases.
  • Experience in management tools like Oracle Enterprise Manager, TOAD and SQL Developer.
  • Hands On and Knowledge of Real Application Cluster (RAC) and GoldenGate Replications.
  • Provided 24x7 Remote / on - call production supports.

TECHNICAL SKILLS

  • Vertica 5/6/7
  • Hadoop
  • MongoDB 2/3
  • Cassandra 2.x
  • CouchBase 2/3
  • TokuMX
  • MySQL 5.5/5.6
  • Oracle RDBMS 7x 8i 9i
  • 10/11G RAC- Oracle ERP 11.0.3 / 11.5.9 / 11.5.10 - Grid Control 10G
  • Oracle Application Server / Discoverer 10G R1/2
  • PL / SQL - SQLPLUS - TSQL
  • Informatica 7/8/9 MS SQL 2000/2005/2008/2012 -
  • Unix / RedHat/Ubuntu/CentOS Linux / AIX - ksh / csh / bsh / bash - Perl.
  • Netapp FAS 2050/3040 - Ontap 6 versions

PROFESSIONAL EXPERIENCE

Sr. Database Administrator

Confidential, Foster City, CA

Responsibilities:

  • Provide and design tools to assist in the management of the database and transaction processing environment.
  • Work to provide a working model of our transaction processing environment for capacity assessment and planning.
  • Develop a methodology for the ongoing assessment of database performance and the identification of problem areas.
  • Develop a security scheme for the database environment, as well as assisting in disaster recovery if necessary.
  • Provide leadership during the development and enhancement of production applications including working with applications, technical support and operations during the design, development and implementation of applications.
  • Work with the transaction processing area to develop both the physical and the logical database administration functions and assists in the development of our processing database and computing environments.
  • Work with others in IT to build the logical database area and provide technical guidance during all phases of the development process.
  • Support MS SQL Server 2014 (Always ON), MySQL 5.6, MongoDB 3.x, Postgresql 9.2 databases

Sr. Database Administrator

Confidential, Palo Alto, CA

Responsibilities:

  • Maintained a large deployment of database servers on a variety of complex and differing technologies
  • Reviewed schemas and queries on hosted database solutions
  • Optimized the implementations and developed best - in-class performance for the supported products
  • Provided and implementing solutions for real time development and production tasks for existing and upcoming products
  • Automated mundane database activities such as monitoring, backups and reporting with shell/perl/python
  • Documented the database procedures and policies for knowledge sharing
  • Supported various databases in terms of installation, configuration, upgrade, monitor, tuning, backup and restore: Vertica 5/6/7, MongoDB 2/3, CouchBase 2/3, Mysql 5.x, TokuMx, Cassandra, ElasticSearch, Redis
  • Responsibilities included configuration, provisioning, upgrading and decommissioning databases
  • Monitored production deployments for capacity issues, performance, troubleshooting and DB tuning
  • Actively participated in production database support
  • Worked with development team to verify and validate schemas and queries for performance and scalability
  • Involved with other teams to migrate in-house applications to Google Cloud: GAE/GCS/Google-SQL

Sr. Cloud Database Administrator

Confidential, Newark, CA

Responsibilities:

  • Supported multi company products on the Amazon platform including windows, linux, EC2 volumes, EBS snapshots
  • Worked with the DBA team to strategize performance metrics, backup and disaster recovery for all databases
  • Developed scripts in bash, perl, powershell to automate checking and monitoring the databases
  • Coordinated with Dev teams to roll out to production the application new versions, patches
  • Owned the operational lifecycle from release to retire (change / problem / incident management)
  • Worked alongside Software Developers to design, build and roll out / upgrade new versions

Sr. Oracle DBA

Confidential, San Bruno, CA

Responsibilities:

  • Monitored and troubleshooted Microsoft SQL/ Oracle Database performance and scalability issues
  • Performed upgrades and migrations
  • Implemented backup/recover procedures for new and existing environments
  • Periodically performed backup/recovery dry run to validate the backup/recover procedures
  • Developed Database Administration automation scripts
  • Developed and maintained ETL processes to support the data warehouse on Microsoft SQL Server
  • Interacted with the Customer Support and Professional Services Organizations in the capacity of Tier 2 support for Customers.
  • Provided technical and business guidance for complex user problems
  • Identified and developed tools to assist in Production Support and Operations ability to troubleshoot Database and application related issues
  • Documented Standard Operating Procedures for Production Support/Operations team
  • Provided design assistance to Engineering for new and existing releases
  • Performed configuration and monitoring GOLDENGATE replication processes

Sr. Oracle / SQL DBA

Confidential, Milpitas, CA

Responsibilities:

  • Revised, implemented the Backup and Recovery Jobs (OEM - Rman) as well as the Database monitoring system. Established and maintaining security integrity controls.
  • Managed the following: troubleshooting, recovery, tuning of the database, software installation and upgrades, resolving Oracle9i /10g (Sun Solaris - NetApp Filers - FAS 3040/2050/200 )/ SQL Server (2000/2005/2008 ) errors and failures, auditing activities, and resource utilization

Database Engineer III

Confidential, Mt. View, CA

Responsibilities:

  • Designed, installed, configured, maintained patches, security, migrated, and upgraded Oracle applications 11.5.9/10 and Data Warehouse RDBMS 10g (Business Intelligence)
  • Installed, supported, implemented, tuned Data mart (Oracle 9i), Informatica PowerCenter 6.1/7.1, Hyperion-Essbase System 9, MS SQL Server 2003 / MS SQL Enterprise Manager, Discoverer 10g R1/2
  • Ensured consistent and reliable production activities, quality of existing and new applications, and execution of project schedules met all budget and time requirements

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