I am a detail-oriented IT professional specialized in Database Administration, IT Support, and Networking. Currently, I am working as a Trainee Database Administrator at Thakral One Pvt. Ltd., where I handle Oracle databases, performance tuning, backup, and disaster recovery. I am passionate about contributing my skills professionally to help companies grow and evolve. I have a strong academic background in mathematics and have earned multiple Oracle certifications showcasing my expertise in database technologies and cloud platforms. I am committed to continuous learning and development in IT and database management fields.…

MD. MINHAJUL AREFIN

I am a detail-oriented IT professional specialized in Database Administration, IT Support, and Networking. Currently, I am working as a Trainee Database Administrator at Thakral One Pvt. Ltd., where I handle Oracle databases, performance tuning, backup, and disaster recovery. I am passionate about contributing my skills professionally to help companies grow and evolve. I have a strong academic background in mathematics and have earned multiple Oracle certifications showcasing my expertise in database technologies and cloud platforms. I am committed to continuous learning and development in IT and database management fields.…

Available to hire

I am a detail-oriented IT professional specialized in Database Administration, IT Support, and Networking. Currently, I am working as a Trainee Database Administrator at Thakral One Pvt. Ltd., where I handle Oracle databases, performance tuning, backup, and disaster recovery. I am passionate about contributing my skills professionally to help companies grow and evolve.

I have a strong academic background in mathematics and have earned multiple Oracle certifications showcasing my expertise in database technologies and cloud platforms. I am committed to continuous learning and development in IT and database management fields.

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Skills

Experience Level

Oracle
Expert
SQL
Expert
MySQL
Expert
PL SQL
Expert

Language

English
Intermediate

Work Experience

Trainee Database Administrator at Thakral One Pvt. Ltd.
February 3, 2024 - Present
Responsible for installing, configuring, and maintaining Oracle Databases including Single Instance and RAC. Managing Oracle Grid Infrastructure and Clusterware for high availability. Performing RMAN backup and recovery, Oracle Data Guard disaster recovery, database patches and upgrades with minimal downtime. Conducting Oracle Database performance tuning and troubleshooting using AWR, ADDM, and ASH reports. Also handling Oracle Fusion Middleware, WebLogic Server, Oracle Analytics Server, and BI Cluster environment.

Education

Bachelor of Science (BSc.) in Mathematics at National University
January 11, 2030 - January 1, 2017
Higher Secondary Certificate (HSC) at Satkhira Govt. College
January 11, 2030 - January 1, 2013
Secondary School Certificate (SSC) at Satkhira Police Line Secondary School
January 11, 2030 - January 1, 2011

Qualifications

MySQL 8.0 Database Administrator (1Z0-908)
July 1, 2025 - August 28, 2025
Oracle APEX Cloud Developer Certified Professional (1Z0-771)
May 16, 2025 - August 28, 2025
Oracle Data Platform 2025 Foundations Associate (1Z0-1195-25)
May 17, 2025 - May 17, 2027
Oracle Cloud Infrastructure 2025 Foundations Associate (1Z0-1085-25)
May 25, 2025 - August 28, 2025
Oracle AI Vector Search Professional (1Z0-184-25)
July 21, 2025 - August 28, 2025
Oracle Fusion Cloud Applications ERP Process Essentials Certified - Rel 1 (1Z0-1160-1)
June 3, 2025 - August 28, 2025
Oracle Fusion Cloud Applications CX Process Essentials Certified - Rel 1 (1Z0-1161-1)
June 3, 2025 - August 28, 2025
Oracle Fusion Cloud Applications HCM Process Essentials Certified - Rel 1 (1Z0-1162-1)
June 3, 2025 - August 28, 2025
Oracle Fusion Cloud Applications SCM Process Essentials Certified - Rel 1 (1Z0-1163-1)
June 3, 2025 - August 28, 2025

Industry Experience

Computers & Electronics, Professional Services, Software & Internet
    paper Deployed MySQL InnoDB Cluster & Replication for Uttara Bank PLC, Bangladesh

    This implementation delivers:

    High Availability (HA): Automatic failover and seamless continuity of services.

    Data Replication: Ensuring real-time synchronization across nodes for reliability and disaster recovery.

    Scalability: Enabling the bank to scale database operations smoothly as demand grows.

    Security & Performance: TLS-encrypted replication channels and optimized configurations for secure and efficient banking transactions.

    This achievement strengthens the bank’s mission-critical financial systems, ensuring data integrity, fault tolerance, and operational resilience.

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