CHRISTOPHER O MADU

ac7vel@r.postjobfree.com

240-***-****

OBJECTIVE: To obtain a position as an Oracle Database Administrator while contribute to the success of an established or growing company by utilizing my skills and my experience and boost productivity in the organization.

Position:

Oracle Database Administrator

NMS HEALTHCARE SERVICES, Hyattsville MD.

February 2010- June 2017

Professional Summary:

Proficient in Oracle 10g, and 11g Database Administration

Proficient in Enterprise Manager

Proficient in RMAN, Backup and Recovery

Proficient in Database Migration, Upgrade and Patch Application

Performance Tuning

Real Application Clusters

Data Guard Administration

A responsible and reliable IT personnel with a set of strong technical skills.

Strong in solving problems of diverse scope where technical analysis and evaluation is required

An IT personnel with skills in team building and problem-solving with an established reputation for working with diverse groups of people and adaptability to changing environments.

Professional Certification:

OCA Oracle 11g Database Administrator Certified Associate

Professional Experience

Planning, installation, configuration, management and troubleshooting of Oracle 10g, and 11g databases on Linux and Windows OS

Expertise in creation of databases, table spaces, tables, indexes and other database objects.

Installed and manage Oracle Enterprise Manager.

Install and configure relevant network components to ensure database access as well as database consistency and integrity

Troubleshoot and resolve various Oracle connectivity problems.

Provide network troubleshooting and administrative support for development staff.

Installation and management of Oracle database using database control

Create and manage documentation on configuration and support of the Oracle databases

Perform bulk load into database using SQL Loader

Perform standard and fine grain database auditing.

Documented database structure, changes, problems, issues for future reference

Administer database user accounts. Create, modify and deactivate user accounts; assign and monitor user access rights

Created Testing and Development databases following OFA compliance rules.

Provide database administration on production, testing and development database servers.

Managing Schema Objects.

Regular Monitoring Alert log Files and trace files on Day to Day Basis.

Identifying and removing Fragmentation, row migration/chaining of database objects.

Analyzing the Tables and Indexes on performance base regularly

Monitoring Tablespaces and Datafiles utilization.

Managing Undo Tablespaces, Redo Logs, Control files and Archive logs.

Implemented multiplexing control files and redo log files

Configuring various RMAN parameters as per requirement.

Performing physical backups using RMAN utility.

Identify and recover corrupted db blocks using Block recover option in RMAN utility

Performing Complete Media Recovery of Database depends on nature of failure.

Configure and implement use of Oracle Recovery Manager (RMAN) for cold and hot backup to databases.

Extensively using DATAPUMP and Export /Import utilities for logical backups.

Performing database cloning using RMAN.

Monitoring user sessions and take appropriate action to kill inactive sessions

Creating and rebuilding indexes as necessary.

Performed various performance goal oriented database tuning.

Use explain plan, AWR, ADDM and various Oracle Advisors to tune database.

Created and tuned various materialized views.

Performed instance tuning, memory tuning query tuning and complete database tuning.

Creates and implemented various table partitions for large tables

Resolved various complex issues with database.

Apply quarterly CPU patches to different version of databases.

Upgrade Oracle 10g database to 11g.

Upgraded Oracle 11g databases from 11.2.0.1 to 11.2.0.3 using patch set

Installed, configured and managed 11gR2 (RAC) on ASM storage

Manage RAC databases using CRSCTL, SRVCTL and grid control

Configure and setup Oracle 11gR2 Data Guard.

Managed Data Guard using Data Guard broker.

Troubleshoot and resolved log gap in Data Guard Configuration.

Other job positions

My Education

BOLTOS SOLUTIONS INSTITUTE: Database Administrator

General Studies: 2011 - till present Prince George's Community College, Largo MD.

Computer Science: 2016 - 2018

University of Maryland University College

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