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Education
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USEN USEN

Duluth,Georgia

Summary

High-performing professional with extensive experience managing large-scale, complex databases. Skilled in SQL and database management systems. Strong understanding of database design and data modeling with excellent troubleshooting skills. Smart and committed to staying up-to-date with new technologies and advancements.

Overview

12
12
years of professional experience
1
1
Certification

Work History

Senior Oracle Database Administrator

AT&T
01.2020 - Current
  • Provided 24x7 production support for critical systems, UAT, standby environments, and Oracle GoldenGate replication processes, ensuring high availability and rapid issue resolution.
  • Executed installations, creations, and upgrades for Oracle databases (12C, 19C, 21C), and implemented Oracle GoldenGate for real-time data integration and replication.
  • Managed database structures and implemented GoldenGate for data distribution, leveraging OEM and command-line interfaces for optimal organization and space utilization.
  • Monitored and optimized database and GoldenGate performance, focusing on space, wait events, locks, and replication lag, significantly reducing operation times and improving efficiency.
  • Conducted disaster recovery operations, including DR rebuilds, periodic RMAN backups, and GoldenGate recovery checkpoints, ensuring data integrity and consistent protection.
  • Orchestrated robust backup strategies and managed GoldenGate configurations for archiving and data transfers, aligning with retention policies and achieving storage cost savings.
  • Configured RAC and GoldenGate for system scalability, reliability, and real-time data synchronization across multiple sites, enhancing network configurations.
  • Enhanced data security through advanced obfuscation techniques, and implemented GoldenGate security features for secure data replication and system integration.
  • Managed Data Guard setups and GoldenGate replication, optimizing queries and indexes, and ensuring efficient, accurate data migration and performance tuning.
  • Maintained high-availability systems with Oracle GoldenGate, managing parameters for conflict detection and resolution to achieve near-perfect uptime and consistent data synchronization.
  • Applied OS patches, tuned Oracle Exadata systems, and integrated Oracle Cloud Infrastructure for improved query performance, leveraging GoldenGate for cloud-to-cloud and on-premises-to-cloud migrations.
  • Led disaster recovery drills and GoldenGate failover exercises, ensuring business continuity and minimal operational impact during emergencies.
  • Authored comprehensive documentation for database and GoldenGate designs, intentions, and operational procedures, maintaining clarity and accuracy in system operations.
  • Developed proactive monitoring strategies using GoldenGate Director and Oracle Enterprise Manager to oversee replication health and minimize downtime.
  • Fostered effective communication across IT teams, ensuring cohesive approach to database and GoldenGate management.
  • Provided expert technical support for Oracle database and GoldenGate issues, offering guidance and best practices to end-users and cross-functional teams.
  • Reviewed and enhanced database and GoldenGate designs, implementing security and monitoring enhancements to streamline administrative efficiency.
  • Automated routine tasks, data management, and optimized backup processes with custom scripts and PL/SQL procedures, including GoldenGate parameter automation.
  • Managed user account permissions within Oracle Database and GoldenGate environments, enforcing security protocols and ensuring compliance with data protection standards.
  • Conducted performance audits and capacity planning for both Oracle databases and GoldenGate replication paths, ensuring optimal resource allocation and database health.
  • Liaised with system administrators for comprehensive incident management, providing root cause analyses and resolution for both database and GoldenGate-related incidents.
  • Guided seamless database migrations and GoldenGate upgrades to newer versions or alternate platforms with minimal business disruption.
  • Maintained meticulous records of database and GoldenGate system configurations, processes, and historical changes through detailed documentation.
  • Established collaborative relationships across departments to understand evolving IT requirements and integrate GoldenGate solutions that support organizational goals.
  • Demonstrated leadership in managing complex database projects and GoldenGate implementations from concept to successful execution.
  • Adapted to dynamic requirements of database and replication environments by working flexible hours across various shifts.
  • Utilized strong analytical skills to develop effective solutions for challenging database and GoldenGate scenarios.
  • Managed multiple concurrent projects with excellent organizational skills, ensuring timely completion and quality outcomes.
  • Built and maintained positive team dynamics through effective communication and interpersonal skills, facilitating collaboration in database and GoldenGate initiatives.

Senior Database Engineer

Accenture's
10.2016 - 12.2019
  • Resolved Severity 1 issues in RAC and standalone databases, ensuring high reliability and performance.
  • Supported over 20 Oracle instances across diverse database environments, demonstrating adaptability and expertise.
  • Provided 24x7 support in critical production environments for continuous system availability and rapid issue resolution.
  • Led new server setups, including Oracle software installation and database creation, enhancing system capacity.
  • Maintained comprehensive documentation and mentored new team members, improving team knowledge and efficiency by 40%.
  • Collaborated with application development teams for SQL tuning, resulting in a 30% improvement in database performance.
  • Administered databases across multiple environments (production, staging, development, test), ensuring seamless operation.
  • Refreshed test/development databases using RMAN/hot backup and data pump, optimizing processes.
  • Created and maintained database schemas and objects, ensuring efficient organization and accessibility.
  • Spearheaded Oracle instance upgrades and migrations, improving versatility and performance.
  • Assisted in query optimization using Explain Plan, TkProf, and SQL Trace, improving performance by up to 25%.
  • Conducted performance tuning, leading to 20% improvement in response times.
  • Ensured reliable database backups, achieving 99.9% success rate in data recovery scenarios.
  • Demonstrated expertise in troubleshooting in RAC, ASM, and Oracle Failsafe environments.
  • Monitored and managed databases through script automation for improved health and performance.
  • Maintained standby and DR databases, enhancing disaster recovery preparedness.
  • Configured Flashback and Block Change Tracking, streamlining data recovery and historical data analysis.
  • Played key role in database upgrades and high availability solutions, utilizing Oracle Active Data Guard, Materialized Views, and Golden Gate.
  • Utilized OEM for performance tuning, scheduling, and troubleshooting, reducing performance-related incidents by 20%.
  • Delivered high-quality work through adherence to industry standards such as normalization rules and naming conventions in database design.
  • Facilitated smooth communication between IT teams by acting as a liaison between software developers, system administrators, and end-users regarding database-related concerns.
  • Managed multiple simultaneous projects under tight deadlines without compromising quality or functionality of deliverables.
  • Established clear documentation of all databases, facilitating knowledge transfer among team members and across departments.
  • Performed comprehensive database health checks, identifying areas of improvement for optimal performance.
  • Developed database architectural strategies at modeling, design, and implementation stages to address business or industry requirements.
  • Ensured database security by establishing access controls, backup procedures, and auditing protocols.
  • Documented and communicated database schemas using accepted notations.
  • Troubleshot and resolved critical database issues, minimizing downtime and maintaining business continuity.
  • Optimized ETL processes to improve data processing speeds and overall efficiency.

Database Administrator

Lowe's
08.2014 - 09.2016
  • Managed and optimized complex database applications, improving performance by 20% and processing speed by 25%.
  • Installed and configured MongoDB for enhanced security and redundancy; upgraded Oracle databases to 12c and 19c RAC environments.
  • Conducted source system data analysis for accurate data mapping and supported multiple SQL & NoSQL technologies including Oracle, MongoDB, and PostgreSQL.
  • Configured Oracle network components like TNSNAMES and Listener; performed SQL statement and database tuning, enhancing query performance by 30%.
  • Contributed to database design and supported data warehousing, ETL processing, and SSIS package development.
  • Managed Oracle migrations, OEM Grid Control, and Cloud Control, maintaining 99.9% uptime and high levels of performance, availability, and security.
  • Implemented disaster recovery using physical standby databases and collaborated with AWS platform service teams for project consulting.
  • Migrated databases to Exadata and Oracle Hyperion, optimized Oracle Essbase applications, and managed NoSQL storage solutions.
  • Executed performance tuning and cloning databases using RMAN, achieving robust backup and recovery processes with 99.9% data integrity
  • Led projects for installing and configuring Oracle Hyperion EPM Suite and Oracle Management Cloud; upgraded Oracle server software and related products.
  • Utilized DRM APIs, integrated data between various Oracle systems, and implemented high availability/clustering concepts.
  • Conducted Disaster Recovery Drills, used MarkLogic for analytics, and maintained system consistency and integration.
  • Enhanced performance and functionality through continuous improvement efforts, testing operations, correcting errors, and making modifications
  • Coded database logic, oversaw database use and protections, and controlled access by establishing user levels for each database segment.
  • Optimized database performance by monitoring health and implementing tuning recommendations.
  • Worked with staff to develop and implement procedures to prevent data loss and maximize system availability.
  • Evaluated emerging technologies to identify opportunities for improving database operations and reducing costs.
  • Delivered successful database migration projects, ensuring seamless transitions with minimal disruption to business operations.
  • Built databases and table structures for web applications.
  • Administered, supported, and monitored databases by proactively resolving database issues and maintaining servers.
  • Provided timely resolution of critical production issues, minimizing downtime and avoiding potential revenue loss.
  • Developed scripts and processes for data integration and maintenance.
  • Utilized RDBMS tools and utilities to monitor, tune and optimize system performance.
  • Tested programs and databases to identify issues and make necessary modifications.

Database Administrator

Wells Fargo
02.2012 - 07.2014
  • Created low-level design documents, coding standards, and naming conventions to enhance code quality and consistency in development projects.
  • Designed modules and database objects like packages and procedures, contributing to efficient schema creation and system deployment
  • Worked on database design, including ERD creation, for clear and effective data structuring
  • Participated in unit and integration testing, ensuring robust and reliable software solutions
  • Extracted and delivered year-end customer data to ATM switches, enhancing customer service efficiency.
  • Validated balance and customer data, deploying solutions with accuracy and reliability.
  • Implemented Zero Data Loss strategy, enhancing data protection and system resilience.
  • Monitored and optimized database performance, applying patches and upgrades as needed for optimal functionality.
  • Managed databases across various environments, providing metrics and recommendations for optimization.
  • Developed and maintained backup and recovery procedures, ensuring data integrity and recoverability.
  • Provided scripting support for database content and reporting, and administered database and application security.
  • Installed and configured servers, hardware, and software, aligning with standards and project requirements.
  • Supported data migration across platforms like Oracle, SQL Server, and PostgreSQL, ensuring data integrity.
  • Configured Real Application Clusters (RAC) on Oracle 11g/12c, enhancing scalability and availability.
  • Conducted tests to ensure data backup, security, privacy, and integrity, maintaining high data governance standards.
  • Collaborated with teams for successful project delivery and performed remote troubleshooting to minimize downtime.
  • Identified and implemented improvements for continuous process optimization.
  • Protected data against loss through security measures and addressed performance issues through continuous monitoring.
  • Adhered to set schedules to test databases for flaws and reduce downtime.
  • Assisted with day-to-day operations, working efficiently and productively with all team members.
  • Demonstrated creativity and resourcefulness through development of innovative solutions.
  • Skilled at working independently and collaboratively in team environment.
  • Coordinated with project management on database development timelines.

Education

Master of Science - Information Security And Assurance

Kennesaw State University
Kennesaw, GA
06.2022

Master of Science - Healthcare Management And Informatics

Kennesaw State University
Kennesaw, GA
06.2022

Bachelor of Science - Biochemistry

Lagos State University
Lagos, Nigeria
05.2007

Skills

  • Operating System: Unix/Linux, Windows, AIX
  • Databases: Oracle, SQL Server, MongoDB, PostgreSQL, MySQL
  • Tools: TOAD, SQL Developer
  • Oracle Database Administration: Installation and Configuration
  • Cluster Management and Patch Upgrades/Management
  • Performance Tuning
  • Disaster Recovery
  • Database Troubleshooting
  • Oracle RAC Configuration
  • Implementing security measures
  • Incident Management
  • Continuous Process Improvement
  • GoldenGate Implementation
  • High Availability Solutions
  • Real Application Testing
  • Oracle Enterprise Manager
  • Oracle Cloud Services
  • ITIL Processes
  • Information Protection
  • Database Development
  • Oracle Exadata Management
  • Database Administration
  • Disaster Recovery Planning
  • Data Guard Implementation
  • Database Security Management
  • Relational Database Management
  • Capacity Planning
  • Database Cloning
  • Data Governance
  • Oracle ASM Management

Certification

  • OCI AI Foundations Associate (2023)
  • Oracle Cloud Database Migration and Integration Professional (2023)
  • Oracle Database 19c Admin Professional
  • OCI GoldenGate Workshop Training - 2023

Quote

“If your actions inspire others to dream more, learn more, do more and become more, you are a leader."
John Quincy Adams

Work Availability

monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Work Preference

Work Type

Full Time

Work Location

RemoteHybrid

Timeline

Senior Oracle Database Administrator

AT&T
01.2020 - Current

Senior Database Engineer

Accenture's
10.2016 - 12.2019

Database Administrator

Lowe's
08.2014 - 09.2016

Database Administrator

Wells Fargo
02.2012 - 07.2014

Master of Science - Information Security And Assurance

Kennesaw State University

Master of Science - Healthcare Management And Informatics

Kennesaw State University

Bachelor of Science - Biochemistry

Lagos State University

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