Senior Database Administrator Resume
IL
SUMMARY
- me have over 12 plus years of experience as DBA and managing databases providing 24/7 support of both development and production Oracle 19c/18c/12c/11g/10g/9i databases on Various Platforms.
- Proficient in Database Administration activities such as Upgrades, Patches, TAR support, Cloning, Backup and Recovery, Performance Tuning, capacity planning, script development, and documentation.
- Conducted interviews and made recommendations for new hires, consultants or replacement for the personnel.
- Managed a team of 25+ onshore and offshore DBAs.
- Excellent leadership skills and team building abilities.
- Motivated the team, helped improve the performance of the team.
- Coached and mentored the team for day to day activities.
- Goal Setting and Achievement - Set goals for DBAs individually and for the team and did year end reviews.
- Developed and executed strategic plans and training to achieve goals, and improve SLAs.
- Built and maintained strong, long lasting customer relationships.
- Communicated, presented and influenced all levels of the organization, including executive.
- Strong at maintaining, automating and improving the processes for database administration.
- Excellent experience in Installation, Setup and configuration of Oracle 9i, 10g, 11g, 12c, 18c, 19c in Confidential -UX, SUN SOLARIS,IBM AIX and UNIX/LINUX EXADATA environment.
- Poses strong Administrative skills in RHEL and EXADATA.
- Provided DBA support with proactive monitoring, identifying areas that need to be improved in the application and databases using Statspack, AWR, ADDM, and OEM Grid Monitoring.
- Over 8 years of experience working with Oracle Dataguard & have successfully completed projects using Oracle Dataguard and GOLDENGATE - Implement & support.
- Good experience working with Cluster Server Management (Real Application Cluster) & have successfully completed projects on Oracle RAC - Install, Configure, implement, and support.
- Good experience in performance tuning of production and development databases.
- Strong experience in database backup & recovery procedures using conventional cold, hot & RMAN backups
- Highly proficient in SQL, PL/SQL, bash and korn scripting
- Experience in Installation and configuration of Oracle 10/11g/12c/18/c/19c on SUN-Solaris, Confidential -UX, IBM AIX, Linux, Exadata and Windows
- Experience in Installation, configuration of Oracle 11g, 12c, 19c RAC & also used Oracle features like - Memory Management, Reorganization / Rebuild Indexes, Gather statistics / Automatic Statistic Collection, SQL Baselines, SQL Profiles, invisible indexes.
- Excellent experience in using OEM, TOAD, Data Migrations using export/import
- Excellent experience in cloning of databases using RMAN duplicate database feature.
- Implemented DATA GUARD (Standby) for high availability/disaster recovery support
- Management of schemas, objects & Partitioning the tables & indexes.
- Proficient in performance tuning using Explain Plan, STATSPACK, SQL TRACE, TKPROF, ADDM
- Good Interpersonal communication skills and Documentation skills.
- Provided On-Call support.
- Good experience in User and security management using Grants, roles, privileges.
- Experience in setting up DR solutions using RMAN, scripts, DataGuard
- Setup Oracle 11g, 12c GlodenGate for replication needs.
- Poses strong DBA knowledge on SQL Server 2005 and 2008.
- Poses strong knowledge on RAID levels, NAS and SAN.
- Worked extensively with SAN admins for ASM disks and Diskgroups.
- Involved in disaster recovery planning; detailed out the processes and procedures of implementing disaster recovery; implemented database backups and disaster recovery strategies using RMAN.
- Developed and implemented Materialized views for better performance of daily reports.
- Expertise in using Oracle Enterprise Manager (OEM) and Grid control and its components.
TECHNICAL SKILLS
Programming: SQL, PL/SQL, T-SQL, UNIX Python and Shell Scripting, bash, ksh
Database: Oracle 9i/10g/11g, 12c,18c, 19c Microsoft SQL Server 2005, 2008, 2012
Operating Systems: Windows Server 2003, 2008, 2012, RHEL, IBM AIX, Confidential -UX, Sun Solaris, Ksh, Bsh, VMware, X8 & X5 Exadata
Tools: SQL*Plus, PL/SQL, Oracle Enterprise Manager (OEM) 13c, SQL*Loader,, data pump, export, import, DBVerify, SQL loader, statspack, tkprof, DataPump, Grid-control, Database control, RMAN, Toad, Exceed, confio, SQL Developer, Glodengate, RAC, Patching Exadata & Linux, Performance tune, systems engineering.
Networking: LAN, WAN, TCP/IP, DNS, AD Server
Cluster: Real Application Cluster (RAC), Windows Cluster
PROFESSIONAL EXPERIENCE
Senior Database Administrator
Confidential, IL
Responsibilities:
- Lead and developed high-performing Oracle and SQL DBA team.
- Collaborated with the IT Infrastructure team, the IT Planning & Execution team, Oracle and third-Party Vendors, and other Business Groups in the development for project deliverables.
- Developed and executed an appropriate delivery team model (e.g., resources, skills, process management) to meet current and projected needs/constraints.
- Participated in the development and maintenance of an Oracle Enterprise Manager 13c as it related to the Oracle databases for graphical user interface.
- Ensured Oracle Application DBA team delivers on-time, on-budget, and high-quality.
- Developed an TEMPeffective resource planning process for the Oracle and SQL DBA team; providing headcount planning.
- Developed and implemented a strong Oracle DBA techniques and TEMPeffective methodologies.
- Participated in the maintenance of the various Oracle instances.
- Built strong analytical and problem-solving skills.
- Managed, and resolved Oracle SR's support system.
- Responsible for providing backend support for the development, testing and Production environments for Oracle and SQL databases as well as other new projects.
- Managed the deployments for Coding, Cloning, Refreshing, Patching, Backups, and Purges.
- Implemented RMAN for Cold and Hot backups and Recovery including Point in time recovery.
- FRA and Flashback Technology were implemented. Implemented Data Guard for backups.
- Security and Privacy of database: - Audit.
- Applied CPU and PSU patches.
- Managed Disaster recovery exercises.
- Implemented Oracle GlodenGate replication project on production databases for DR and replication purposes.
- Introduced advanced queuing in oracle 12c and 11g for the performance enhancement.
- Installed 12c and 11g Oracle Software Release 2 on their UNIX and Windows platforms.
- Extensive experience in the architecture of Data warehouse, VLDB (over 20 TB), OLTP, DSS and OLAP. Implemented ETL tools informatics and Ascential.
- Experienced in Oracle versions from Oracle 19c\18c\12c\11G\10g\9i\8i.
- Implemented the ticketing system to support Database system 24 by 7 and track the activities for Pro-active approach solutions.
- Upgraded 11g to 19c grid infrastructure and oracle databases with physical and transportable tablespaces.
- Successfully migrated X2, X3, X5 Exadata machines to X8 Exadata machine on 19c upgraded database versions.
- Worked with TDE and configured production databases.
- Upgraded 11g, 12c to 19c RAC having dataguard. Used physical, logical and using transportable tablespaces.
- Worked on Glodengate replication architectures and performance tuned the processes.
- Defined the Cost saving structured Shared-Service Model for the operational DBA team servicing multiple projects.
- Defined Outsource model across continents for rapid DB service requests.
- Managed team of DBA’s (infra structure) on site and off site spread across the globe. DBA categorized of Administration, Application, Operation, Production, Change Management, NOC, On-call support and performance optimization.
- High Availability: Implemented Data Guard (physical) for maximum protection, performance and availability.
- Involved in vital planning for infrastructure setup.
- Managed Rackspace database environment.
- Scheduled crontabs to automate jobs as required.
- Managed 13c OEM migration project.
- Managed on-call rotation for DBAs.
- Planned and built 8 nodes RAC cluster on Exadata X7 servers.
- Built excellent communication skills and customer relation.
- Built solutions on cloud AWS with oracle 19c databases.
- Worked with Horton work for Hadoop.
- Worked on Devops technologies and AWS cloud.
- Performed multiple AWS migrations on EC2, VPC, EBS, RDS installed O/S configured storage and installed oracle databases.
- Worked on python scripting for setting up email alerts and automating jobs using crontab.
Senior Oracle Database Administrator
Confidential, OK
Responsibilities:
- Installed 11g Oracle Software Release 2 on their UNIX and Windows platforms.
- Build 2 node RAC cluster on Linux.
- Upgrade databases from 10g to 11g R2
- Cloned Databases
- Used Oracle GlodenGate for Basic Data Replication.
- Worked on Uni-Direction GlodenGate setup.
- Implemented DATA GUARD (Standby) for high availability/disaster recovery purpose
- Handled Administration, Backup & Recovery using Recovery Manager (RMAN) tool.
- Implemented Oracle 11g RAC within the Organization for various departments, Migrated existing single instance databases to RAC environment
- Extensively used Oracle 11gR2 new features Data Guard, Replication, automatic SGA tuning, enhanced RMAN with flash recovery area, Oracle data pump, Database Control, AWR, ADDM, SQL Tuning/Access Advisors, Flash Back Database and several others.
- Performance Tuning and monitoring statistics of production databases and doing capacity planning for database growth and load.
- Administered the database and its users through Oracle Enterprise Manager (OEM) Tool.
- Technically reviewed, developed, tested & documented all the batch scripts that update the database on their scheduled run in the UNIX CRON.
- Shouldered a project which dealt with documenting the data sources and the architecture of Oracle database.
- Developed UNIX Shell Scripts and modified the existing ones to meet the organizations specific requirements.
- Extensively worked on 11g Grid Control.
- Familiar with 12c Grid Control setup an implementation.
- Documented new procedures and added to SharePoint.
- Provided support to Development team in SQL tuning and database design.
- Worked in on-call rotation and provided off hours support to both production and non-production databases.
- Worked with UNIX, Firewall and storage team for DR migration.
- Installed and configured SQL Server 2000/2005 components.
Environment: Oracle DB 10g/11g R2 with RAC, RMAN, 12c Cloud Control, 11g Data Guard, TOAD
Senior Oracle DBA
Confidential, Ridgefield Park, NJ
Responsibilities:
- Installed Oracle Software 10g Release 2
- Created and designed database for new projects
- Provided 24/7 support for all production databases
- Database Cloning & Advanced Queuing Concepts
- Created shell scripts for automating various database tasks in UNIX platform
- Performance and Tuning of databases
- Creation and maintenance of standby databases
- Creating new users and manage roles and privileges
- Managing Rollback Segments, Redo logs, Control files, and Tablespaces.
- Developed and fine tuned PL/SQL & UNIX shell scripts that update the data warehouse on their scheduled run
- Generated reports in Oracle Reports 9i by analyzing the database based on the specific business requirements
- Installation and configuration of Oracle Database Software 10g.
- Creation and Configuration of Oracle database.
- Performed the Pre-migration task for RAC & Standalone Database.
- Extensively involved in Real Application Cluster (RAC) nodes 10g database migration
- Migration of database (from 9.2.0.5 to 10.2.0.1)
- Involved the Post-migration task (Unit-testing) for every RAC & Standalone servers migrated to Canada.
- Worked on RAC on RHAS with 4 nodes server side load balancing using Automatic Storage Management
- Performance tuning of SQL queries and advising the application programmer of the opportunities in tuning the application.
- Involved in performance monitoring and tuning of the database by fine tuning the database implementation.
- Designed and Implemented database security using Oracle roles and privileges.
- Troubleshoot Database performance issues using Automated Workload Repository (AWR) and Automatic Database Diagnostics Monitor (ADDM). Tuned database for optimum performance.
- Written Stored Procedures and Triggers for database maintenance and management using PL/SQL.
- Communicate and coordinate with Oracle using TAR system for major database issues/ problems; apply the required patches, test (unit test/ system test) and roll out and implement the patches into production.
- Involved in disaster recovery planning; detailed out the processes and procedures of implementing disaster recovery; implemented database backups and disaster recovery strategies using Confio
- Managed Data Guard between Primary and Standby
- Proactively managed the databases; set up alarms for managing any exceptions in day to day management of the databases; pre-empted and prevented issues disasters from happening.
- Successfully implemented physical standby database using Oracle Data Guard feature for High availability configuration.
- Successfully configured the databases to switchover, failover and fallback scenarios.
- 24x7 production support DBA working on a primary/ secondary pager rotation; and supported on holidays, weekends and beyond regular hours.
- UNIX Shell scripting for backup and monitoring of databases.
- Written scripts to automate repeated tasks
Environment: Oracle DB 9i/10g, Sun Solaris 10, AIX, Linux, Windows Server, RAC, 10g DATAGUARD, TOAD
Oracle DBA
Confidential, Ridgefield Park, NJ
Responsibilities:
- Install Databases using scripts
- Ran deployment scripts
- Installed Oracle client
- Installed OEM clients on Windows XP
- Worked on TNS networking issues
- Created users
- Setup backups via RMAN
- Created documents and put on SharePoint.
- Shadow Sr. DBAs to learn new topics in DBA word
- Created Database links
- Used export import to clone users
- Worked on grants, permissions, roles and user security.
- Used TOAD
- Used Putty, Secure CRT and exceed
- Unlock users
- Installed databases using DBCA.
- Good exposure on RAC clusters
- Learn how to manage databases using 11g Grid Control.
- Worked on Memory management
- Worked on Tablespace management.
Environment: Oracle DB 9i/10g, Sun Solaris 10, AIX, Linux, Windows Server, RAC, 10g DATAGUARD, TOAD