Chisom Ezeh

Results-driven Junior Database Administrator with hands-on experience supporting and maintaining Oracle and Microsoft SQL Server databases in production-like environments. Skilled in database performance tuning, backup and recovery (RMAN, Data Pump, SQL Server backups), and database security administration. Proficient in query optimization, execution plan analysis, and troubleshooting database performance issues, ensuring high availability and data integrity.

Experienced in collaborating with development teams and supporting data-driven applications. Passionate about building expertise in enterprise database systems, high availability, and cloud-based database solutions.

Junior Database Administrator - UNIQPLATFORM LTD - Lagos State, Nigeria

(2025-02)

• Administer and maintain Oracle and SQL Server databases, ensuring optimal performance, availability, and reliability.
• Monitor database performance and execute query optimization and indexing strategies to improve efficiency.
• Perform backup and recovery operations using RMAN and Oracle Data Pump, ensuring data protection and recoverability.
• Manage database users, roles, and privileges, enforcing security policies and access controls.
• Support database automation and scheduling through scripting and task management.
• Conduct database performance monitoring and troubleshooting, resolving issues such as slow queries and system bottlenecks.
• Collaborate with development teams to support application testing, deployment, and data integrity requirements.
• Maintain detailed documentation of database configurations, procedures, and maintenance activities.

Data Enumerator - BYTEWORKS TECHNOLOGY SOLUTIONS LIMITED - Enugu, Enugu State, Nigeria

(2020-03 - 2024-06)

• Accurately documented 80 to 120 personal information from different individual taxpayers in order to keep and create a good database for Enugu state.
• Performed Biometric enrolment for individuals in order to ascertain their Enugu State Social Benefit Number (ESBN).
• Management of software applications (such as iDMS Enumeration Client software).
• Daily reconciliation of payments from tax payers into appropriate profiles in internal revenue system and making a daily Microsoft office Excel report on its progress.

Office Administrative Assistant - Imo State Ministry of Education - Owerri, Imo State, Nigeria

(2019-01 - 2019-12)

(NYSC)

• Provided clerical support to Ministry of Education by copying, faxing, and filing documents.
• Expedited invoice processing, ensuring accurate recording of financial transactions in the accounting system.
• Improved client's satisfaction ratings by promptly addressing inquiries via phone, email, or in-person visits.

Master of Science - Industrial and Organizational Psychology - University of Nigeria (2019-09 - 2023-07)

Bachelor of Science - Psychology - Federal University Ndufu-Alike Ikwo (2013-09 - 2017-07)