MD. YOUSUB HASAN BISWAS
SHAHZADPUR, GULSHAN,DHAKA
Summary
Dynamic and experienced Senior Database Administrator with over 25 years of expertise in managing, optimizing, and securing complex database environments. Proven track record of enhancing performance, reliability, and scalability of mission-critical databases. Seeking to leverage comprehensive skills in database administration and technical leadership to contribute to the success of a forward-thinking organization.
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
01.2014
Diploma In Engineering -
PABNA POLYTECHNIC INSTITUTE
01.1993
Skills
- Oracle
- SQL Server
- MySQL
- PostgreSQL
- Database Security and Compliance
- Database Performance Tuning and Optimization
- High Availability and Disaster Recovery
- Database Backup and Recovery
- SQL Query Optimization
- Database Migration
- Scripting and Automation
- Troubleshooting and Problem Resolution
- Team Leadership and Mentorship
- Windows Server
- Linux
- SUN SOLARIS
- MacOS
- VMware
- Hyper-V
- OCI
- TCP/IP
- DNS
- DHCP
- VPN
- LAN/WAN
- Firewalls
- SSL/TLS
- Encryption
- PowerShell
- Bash
- MongoDB
- Oracle E-Business Suit
- Oracle Business Intelligence Enterprise Edition
- Oracle APPEX
- Tomcat
- SolarWinds
- Oracle Data guard
- RMAN
- Veeam
- Symantec NetBackup
Certification
- Oracle Certified Professional (OCP)
- Oracle E-Business Suit (EBS) System Administration
- Oracle Cloud Infrastructure (OCI) 2022
- Oracle Cloud Infrastructure (OCI) 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, 1216, +8801678049252, rafiqul43200@waltonplc.com, Professional
Emailaddresses
- Yousubhasan@yahoo.com
- Yousubhasan@gmail.com
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
- Oracle Certified Professional (OCP)
- Oracle E-Business Suit (EBS) System Administration
- Oracle Cloud Infrastructure (OCI) 2022
- Oracle Cloud Infrastructure (OCI) 2003
- Oracle Autonomous Database
- Microsoft Certified: MS SQL Database Administrator