MD. YOUSUB HASAN BISWAS
DHAKA
Summary
Accomplished Senior Database Administrator at Walton Hi-Tech Industries PLC, specializing in database security and performance tuning. Led successful migration projects and implemented robust backup strategies, enhancing system reliability. Adept at fostering team collaboration and mentoring junior staff, driving operational efficiency and safeguarding sensitive data.
Overview
25
25
years of professional experience
1
1
Certification
Work History
Senior Database Administrator
Walton Hi-Tech Industries PLC.
Dhaka
07.2009 - Current
- Administered and maintained multiple enterprise-level databases, including Oracle, MS SQL Server, and MySQL, ensuring optimal performance, reliability, and security
- Implemented database security best practices, including access controls, encryption, and auditing, to safeguard sensitive data and comply with regulatory requirements
- Designed and implemented database backup and recovery strategies to minimize downtime and ensure data integrity in case of failures
- Conducted performance tuning and optimization efforts, including SQL query optimization, index tuning, and database parameter adjustments, resulting in significant improvements in system performance
- Led database migration projects, successfully transitioning legacy databases to new platforms while minimizing disruption to business operations
- Provided technical leadership and mentorship to junior database administrators, fostering their professional growth and development
- Collaborated with cross-functional teams to gather requirements, design database solutions, and troubleshoot issues, ensuring alignment with business objectives
- Participated in on-call rotation to provide 24/7 support for critical production databases and respond to emergencies promptly
- Lead a team of 5 system administrators in managing a network of over 100 servers across multiple data centers and cloud environments
- Implemented a comprehensive monitoring and alerting system, reducing downtime by 30%
- Developed and enforced security policies, ICT Policy including regular vulnerability assessments and patch management, enhancing overall system security
- Automated routine tasks with PowerShell improving operational efficiency and reducing manual errors
Database Administrator
Convince Computer Ltd.
Dhaka
04.2000 - 07.2009
- Managed day-to-day operations of SQL Server databases, including installation, configuration, monitoring, and troubleshooting
- Implemented database maintenance tasks, such as index rebuilds, statistics updates, and database integrity checks, to ensure optimal performance and reliability
- Assisted in designing and implementing disaster recovery solutions, including database mirroring, log shipping, and failover clustering
- Collaborated with developers to optimize database schemas, stored procedures, and queries for performance and scalability
- Conducted regular security assessments and implemented security patches and upgrades to protect databases from vulnerabilities and unauthorized access
- Documented database configurations, procedures, and troubleshooting steps to facilitate knowledge sharing and support continuity
- Provided technical support and guidance to end-users and stakeholders, resolving database-related issues in a timely manner
Education
Bachelor’s Degree - Computer Science and Engineering (CSE) Information Technology
INTERNATIONAL BUSSINES AND INFORMATION SYSTEM UNVIVERSITY
DHAKA01.2014
Diploma In Engineering -
PABNA POLYTECHNIC INSTITUTE
01.1993
Skills
- Database administration
- Data backup
- Database security
- Disaster recovery
- System monitoring
- Performance tuning
- Cloud management
- Technical leadership
- Team collaboration
- Project management
- Documentation and reporting
- NoSQL database administration
- Backup and recovery strategies
- Database schema design
- Data migration techniques
- Query execution plans
- Database version control
- Disaster recovery planning
- High availability solutions
- Implementing security measures
- Replication and clustering
- Database analysis
- Systems administration
- SQL query optimization
- Database security management
- Information systems management
- Database troubleshooting
- Automated database testing
- Performance monitoring tools
- Linux operating system
- Apache tomcat
- Indexing and partitioning
- Cross-platform database support
- Resource utilization analysis
- Data privacy compliance
- Relationship building
- Backup management
- Database migration
- Windows Server administration
- Database management
- Backup and recovery
- Oracle e-business suite
- Oracle backup and recovery
- Oracle BI expertise
- Oracle database management
- Oracle Linux
Certification
- Oracle Certified Professional (OCP)
- Oracle E-Business Suit (EBS) System Administration
- Oracle Cloud Infrastructure (OCI) 2022 and 2003
- Oracle Autonomous Database
- Microsoft Certified: MS SQL Database Administrator
References
Rafiqul Islam, Walton Hi-Tech Industries PLC., Executive Director, Majar Road House- 2/3C, Bardhan Bari, Mirpur, DHAKA, 1216, +8801678049252, rafiqul43200@waltonplc.com, Professional
Timeline
Senior Database Administrator
Walton Hi-Tech Industries PLC.
07.2009 - Current
Database Administrator
Convince Computer Ltd.
04.2000 - 07.2009
Bachelor’s Degree - Computer Science and Engineering (CSE) Information Technology
INTERNATIONAL BUSSINES AND INFORMATION SYSTEM UNVIVERSITY
Diploma In Engineering -
PABNA POLYTECHNIC INSTITUTE
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