DANIEL ABRAHAM BLESSINGS

Email: adi5rn@r.postjobfree.com Phone:404-***-****

LinkedIn: linkedin.com/in/daniel-blessings-a0a37319

Status: U.S Citizen

An accomplished IT Professional with 7+ years of proven experience as Oracle database administrator in various sectors like; banking, energy on heterogeneous system environments such as Linux, Unix. Experience includes Installation, Upgrade, Migration, Data Guard, Golden Gate. Memory Management, Performance Monitoring, Tuning, Cloning, patching, user support, Database security, troubleshooting database design, Documentation, Backup and Recovery and supporting Applications.

EXPERIENCE

INTELSAT, Tyson corner, VA October 2015-September 2020

Oracle Database Administrator (DBA)

Experience in Installation, configuration, Maintenance of Oracle 12c, 11g & 10g on Linux Operating System platforms.

Experience in creating, configuring physical standby database using data guard 11g and 12c active data guard.

Hands-on experience in conventional Hot and cold backups, database recovery, cloning of a database using RMAN backup and recovery.

Expertise in performance tuning for high performance of database availability for users, backup and recovery (RMAN and using catalog database).

Experience in using tools like AWR (automatic workload repository), ADDM (automatic database diagnostic monitor) and ASH (active session history) for database performance reports.

Experience in Automation of many common tasks using crontab including Backups, exports, and imports

Installed, configured, monitored and troubleshooted lags or process abending in Oracle 11g/12c Golden Gate for non RAC databases to ensure real time replication of data.

Used Golden Gate in combination with Active Data Guard to achieve maximum availability.

Implemented Data Guard with high availability and performance configurations and also participated in Data Guard Fail over tests.

Configured and used Oracle Enterprise Manager 12c (OEM 12c) to monitor oracle databases running on multiple servers.

Database monitoring/maintenance, replication process, and performance tuning using OEM (Oracle Enterprise Manager).

Generated and reviewed AWR/ASH reports, trace queries & transactions and utilize OEM (SQL Tuning Advisor) during performance optimization tasks.

Verified successful database backup by backing up databases on a regular basis, checked for database backups and validated that they had been successfully created and saved in a secure location.

Maintained and analyzed all scheduled job, responsible of performance tuning of the databases.

Checked the connectivity of each Server on the network, and make sure all database instances are up and online.

Migrated and upgraded single instance database to multiple instance databases using data pump and Migrated databases from Non-ASM file system to ASM file system using RMAN.

SUNEDISON, Beltsville, MD March 2013-September 2015

Junior Oracle Database Administrator (DBA)

Installed, upgraded and patched 11g and 12c Oracle databases in Linux environments.

Experience in database administration (DBA), performance tuning (AWR, ASH, ADDM, EXPLAIN PLAN, SQLTRACE, TKPROF).

Responsible for database maintenance, backups, recovery, patching, upgrades and performance tuning.

Performed and scheduled backups and recovery of some production databases.

Automated database administration tasks using PL/SQL and shell scripts.

Administered databases of various sizes from 5GB to 6TB.

Used Oracle Enterprise Manager (OEM) 11g Grid Control for monitoring multiple database and notification of alerts, and configured EM agents on multiple database servers.

Experience in designing and configuring high-availability systems using Data Guard with physical standby effectively configured and used Data Guard Broker utility.

Implemented switchovers on primary and standby databases as a part of planned maintenance activities.

Responsible for setting and managing USER MANAGEMENT, SPACE MANAGEMENT Granting required privileges to users.

Successful in applying RDBMS patches, security patches for improving the security and functionality of the databases.

Successfully upgraded the databases from 11g to non CDB 12c.

Experienced using golden gate for unidirectional and bidirectional Replication.

EDUCATION

University of Massachusetts, Boston, MA December 2005

Bachelor of Science,

OCA (Oracle Certified Associate) April 2020

SKILLS

•Oracle eBusiness Suite

•Shell Scripting,

•RMAN, SQL

•Performance tuning

•Unix, Linux

•Upgrade, Patching and Migration

•Data guard

•OEM

•Backup and recovery

•Migration, Datapump

•Golden gate

•Oracle 10G, 11G, 12c

•PL/SQL

SOFTWARES

•Oracle eBusiness Suite

•Microsoft Navision

•Dynamic NAV

•Salesforce

•Cognos

•Timberline

•PeopleSoft

•Great Plain

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