Sr. Database Administrator Resume
Indianapolis, IN
SUMMARY
- An Oracle Database Administrator with 8+ years of total IT experience in implementing Oracle’s different technologies including RAC Cluster/Dataguard/Golden gate.
- Complete command over handling Gigabyte size databases in several environments including Production, Test and Development Databases.
- Excellent team player with effective communication skill.
- Experience in Oracle 11g/10g/9i database installation & configuration, Data Guard Implementation, 10g EM Grid Control Implementation, administration and troubleshooting, Migration & Upgradation of Database.
- Handling over 1000+ databases.
- Experienced in complete range of Oracle DBA activities including day - to-day production database monitoring, Backup & Recovery using RMAN, Troubleshooting production issues.
- Good working experience with Oracle 11g/10g/9i on UNIX platforms supporting Production Database of size ranges from 50 GB to 10TB.
- Experienced in Linux/Solaris, UNIX Architecture and Shell Scripting.
- Installed, Configured and Administered Production databases for 24x7 availability for monitoring.
- Expert in running Automatic workload repository (AWR)to collect memory statistics and automatic database diagnostic monitor (ADDM) to monitors and analyzes statistics and provides advisory services and Data base performance tuning.
- Good at implementing Oracle Golden Gate replication 10g/11g.
- Extensive hands-on on Oracle Enterprise Manager on installation and troubleshooting.
- Good communication skills with ability to work independently as well as collaboratively in team environment to contribute problem-solving strategies. At ease in interacting with people at all levels, able to work under pressure.
- Excellent interpersonal and analytical skills.
TECHNICAL SKILLS
Operating Systems: Red Hat Linux, Solaris, AIX
Languages: SQL, PL/SQL, Shell Scripting
Databases: Oracle 11g/10g/9i
Tools: Grid Control, Enterprise Manager, TOAD, SQL-Developer, Export/Import, Data Pump,RMAN, Sql loader
Replication: Golden gate 10g/11gDataguard 10g/11gR1/11gR2
Monitoring Tools: Sitescope, Netcool
Ticketing Tool: CA-Service Desk
Domain: Mutual Fund, Payroll, Logistics
PROFESSIONAL EXPERIENCE
Confidential - Indianapolis, IN
Sr. Database Administrator
Responsibilities:
- Configured RMAN Level 0 and Level 1 backup through OEM.
- Troubleshooting and Monitoring RMAN backup jobs.
- Implemented Oracle Physical Standby DataGuard 11gR2 on 2 Node RAC Cluster.
- Monitoring/Troubleshooting Oracle Physical Standby DataGuard.
- Worked on 11gR1 agent installation.
- Installed Oracle Gateway 11gR1 to pull data from MSSQL server.
- Worked on RMAN database cloning for performance issues.
- ASM Storage addition.
- Monitoring alerts/troubleshooting database issues on regular basis.
- Interacting with Oracle for Technical Support.
- Interacting with EMC support for data domain issues.
- Managing tablespaces, users, privileges.
Environment: Linux, Oracle 10g/11g, Oracle 11g Enterprise Manager, RAC Cluster 10g/11g, Dataguard 11g, UNIX Shell Script, Data domain DDboost
Confidential, Roseland, NJ
Sr. Database Administrator
Responsibilities:
- Installed 11gR2 10 Node RAC Cluster on SuSE10/11.
- Implemented Oracle Physical Standby DataGuard (10gR2, 11gR1 and 11gR2) on 3 Node RAC Cluster.
- Proficient in handling storage addition on ASM devices.
- Worked extensively on 11gr1 agent installation, configuring ASM, applying templates and addition and removal of databases from OEM.
- Applying OMS PSU4 patch on all new agents installed.
- Level 0 and Level 1 backup configuration using RMAN.
- Cloning 5 node Prod database to another server (performance database) which does not have access to catalog server using RMAN’s disk backup and RMAN DUPLICATE command.
- Worked on different types of cloning including cold backup/hot backup and RMAN Cloning.
- Tablespace and Disk group monitoring and management, adding storage on ASM if required.
- Handling more than 1000+ OLTP databases (Production, UAT, Test, Dev)
- Was responsible for creating standalone and RAC database (2 or 3 nodes depending upon the requirement), registering database into clusterware and service configuration.
- Registering database, instances and services to OCR.
- Worked on addition of new node to existing database as per the requirement.
- Worked on numerous database upgrades from 9.x.x.x to 10.2.0.4.
- Was responsible to apply Rolling PSU patching twice a year.
- Verifying services at running on preferred node after applying the rolling patch and relocate the services if necessary.
- Worked with Oracle support for resolving Agent Timezone bug and forcefully ending blackouts.
- Written scripts for scheduling exp/expdp and hot backups.
- Used to take Cold Backup of database before database upgrading.
- Written shell scripts for scheduling RMAN Backup.
- Installing Golden gate using datapump and extracts
- Have good troubleshooting skills on Golden gate issues.
- Providing 24 X 7 Production support and monitoring.
- Proactively monitoring the databases using OEM and service desk alerts.
- Proficient in using ticketing tool (CA-Service Desk).
- Daily monitoring space utilization report and doing the remediation.
- Pro-actively monitoring FRA alerts.
- Raising SR and Interacting with Oracle for Technical Support.
- Exposure to monitoring tool (HP- Sitescope).
- Handling outage calls.
- Training junior DBA for general oracle administration and documentation of DBA activity for ramp up.
- Closely worked with application team in multiple deployments.
Environment: Linux/Solaris/AIX, Oracle 11g/10g/9i, Oracle 11g Enterprise Manager, Golden gate 10, 11, RAC Cluster 10g/11g, Dataguard 10g/11g, UNIX Shell Script, NAS/SAN/Data domain Storage Devices
Confidential, St. Petersberg, FL
Database Administrator
Responsibilities:
- Installation of 3 Node Oracle 10g RAC Cluster.
- Handling more than 200 databases (Production, UAT, Test, Dev) Confidential data center.
- Worked on Database creation and RMAN backup configuration setup.
- Worked on database upgrades 9.2.0.4 to 10.2.0.4.
- Implemented Oracle Physical standby Data Guard 10gR2.
- Responsible for doing the backup remediation of failed backups including exp/expdp/hot backup and RMAN backups.
- Applying One-Off Patch Installation.
- Migration of database using DBUA, Export/Import, Data pump & using scripts.
- Database Upgradation using patches (Manual Upgradation).
- Purging of Oracle trace files & trims alert log, listener log files on regular basis.
- Used to take Cold Backup of database before upgrading.
- Written UNIX shell scripts for scheduling RMAN Backup.
- Worked on agent installation and configuration.
- Troubleshooting and fixing OEM alerts.
- Worked on different types of database cloning and refreshes.
- Interacting with Oracle for Technical Support.
- Team Management/Client Co-ordination/Leading all conference call.
- Preparation of minutes of meetings, Monthly/Weekly/Daily status report, Resource utilization report/walkup tracker sheet etc.
Environment: Linux/Solaris/AIX, Oracle 11g/10g/9i, Oracle 10g Enterprise Manager, RAC Cluster 10g, Dataguard 10g.
Confidential - Rotterdam,NL
Database Administrator
Responsibilities:
- Installation & Configuration of oracle database 9i/10g using GUI and silent mode.
- Administration of all database objects, including tables, indexes, views, sequences, packages and procedures.
- User management issues involving control user access to resource and information by allocating the right privileges.
- Managed Space issues involving resizing table spaces, data files.
- Hands on experience with Backups & Recovery using Disk and tape backups.
- Database upgrade from 9i to 10.2.0.4.
- Applying One-Off Patch Installation.
- Database refresh from production to test/UAT/staging environment.
- Hot backup cloning from production to UAT.
- Generating AWR/ADDM reports.
- Migration of database from one server to another using Export/Import, Data pump.
- Raising SR and following up with Oracle for Technical Support.
Environment: - Linux, Oracle 10g/9i & 10g EM Grid control, datapump
Confidential - Rotterdam, NL
Database Administrator
Responsibilities:
- Installing oracle database 9i/10g using GUI and silent mode.
- Monitoring backups and remediating the failed backups.
- Monitoring Tablespace resizing as per standards.
- RMAN Implementation with or without recovery catalog.
- DB Cloning and Refresh.
- Scheduling logical backups.
- Generating AWR/ADDM reports.
- Compiling Invalid objects using utlrp.
- Creating Database Links, writing pl/sql stored procedure, triggers.
- Purging of Oracle trace files alert, listener log files on regular basis.
- Applied CPU patches.
- Worked on corrupted central inventory by recreating it.
Environment: - Linux, Oracle 10g/9i, Toad