• Monitor database servers, storage, and network performance to ensure optimal operation. Identify and resolve performance bottlenecks, query optimization, and database tuning.• Collaborate with application developers to design and implement database structures that meet business requirements. Define database schemas, tables, indexes, and constraints.• Review and optimize database design to ensure data integrity, performance, and scalability.• Plan and implement backup and recovery… Show more • Monitor database servers, storage, and network performance to ensure optimal operation. Identify and resolve performance bottlenecks, query optimization, and database tuning.• Collaborate with application developers to design and implement database structures that meet business requirements. Define database schemas, tables, indexes, and constraints.• Review and optimize database design to ensure data integrity, performance, and scalability.• Plan and implement backup and recovery strategies to protect critical data. Perform regular backups of databases, transaction logs, and system configurations. Test backup and recovery procedures to ensure data recoverability in case of failures.• Implement security measures to protect the confidentiality, integrity, and availability of data.• Manage user access, roles, and permissions based on the principle of least privilege.• Monitor and investigate security incidents, perform security audits, and apply patches and updates.• Install and configure database software on servers, ensuring proper settings and configurations.• Set up database instances, replication, clustering, or high availability solutions as needed.• Plan and execute data migration projects when transitioning between database versions or platforms.• Ensure data integrity and consistency during the migration and transformation processes.• Identify and resolve database-related issues, including performance problems, data corruption, or connectivity errors.• Investigate and troubleshoot system failures, errors, or abnormal behaviour.• Collaborate with development teams and vendors to diagnose and resolve complex issues.• Document and update disaster recovery plans and procedures.• Develop and maintain scripts and automation tools for routine tasks, monitoring, and reporting.• Automate database deployments, upgrades, and patch management processes.• Use scripting languages (e.g., SQL, PowerShell, Python) to streamline administrative tasks. Show less

• Responsible for low level backup(Linux) and setting up disaster recovery module.• Mirroring databases and files to multiple locations. • Restoring databases and files from remote locations. • Installation of required packages and software on Linux environment.• Creation and management of Linux based servers.• Responsible to take Daily/Weekly Backup of Databases & Application data from console.• Configure and management of Web Hosting servers running on Linux… Show more • Responsible for low level backup(Linux) and setting up disaster recovery module.• Mirroring databases and files to multiple locations. • Restoring databases and files from remote locations. • Installation of required packages and software on Linux environment.• Creation and management of Linux based servers.• Responsible to take Daily/Weekly Backup of Databases & Application data from console.• Configure and management of Web Hosting servers running on Linux console.• Server management and control over network policies. • Network management & VPN management.• Configuration and management of different routers running on different ISP.• Responsible for end user support.• Leading HR / Admin department and facilities.• Working with Accounts department on Payroll.• Management of Biometric machines & Attendance management software.• Management of IP camera’s.• Hardware & Software related issues to 50+ PC’s.• Responsible for overall project management and requirement gathering from client and communicate with the team leads.• Engagement layer between the client and the developers.• Creation of user stories and wireframes and timelines for the projects.• Creation of sprits and achievable timelines.• All the backend work related to server-side libraries.• Responsible for delivering the project on time. Show less

• Offering top-notch services for Amazon Infrastructure setup EC2, S3, Route53, SES / Database design, setup, migration, maintenance, recovery / Sendy email marketing tool setup and configuration.• Helped over hundreds of clients from around the world mostly with setup of Amazon EC2 servers (Linux) and integration of Sendy with SES. • Helped clients with migration of their existing domain / website to new provider without downtime.• Setup RDS Database for their CMS / WordPress… Show more • Offering top-notch services for Amazon Infrastructure setup EC2, S3, Route53, SES / Database design, setup, migration, maintenance, recovery / Sendy email marketing tool setup and configuration.• Helped over hundreds of clients from around the world mostly with setup of Amazon EC2 servers (Linux) and integration of Sendy with SES. • Helped clients with migration of their existing domain / website to new provider without downtime.• Setup RDS Database for their CMS / WordPress website to have better speed and security levels. Show less

Responsibilities and Achievements• Responsible to provide Infrastructure solutions for Oracle EBS 11i and HMIS applications and Complete End User Support for ERP applications implemented at hospital.• Configuration and management of wireless/local network.• Responsible of end user support to 300+ PC.• Configuration and maintenance of squid proxy server, SQL Database setup (Master & Slave).• Key player of "Oracle 11i E Business Suite" implementation.• Hands on experience… Show more Responsibilities and Achievements• Responsible to provide Infrastructure solutions for Oracle EBS 11i and HMIS applications and Complete End User Support for ERP applications implemented at hospital.• Configuration and management of wireless/local network.• Responsible of end user support to 300+ PC.• Configuration and maintenance of squid proxy server, SQL Database setup (Master & Slave).• Key player of "Oracle 11i E Business Suite" implementation.• Hands on experience of Linux platforms to setup policies and setting up disaster recovery for SQL servers.• Responsible to perform and manage database backup and restore procedures.• Guided the team how they can save time and energy using the RMAN for hot and cold backups.• Responsible to configure Network Devices & Client Computer Systems for communication with Router on the LAN & WAN.• Setup Bangladeshi Client ATI system to work with 100 percent capacity and secure encrypted backups are being stored on storage media (Based on Windows).• Maintenance of user accounts, groups, organizational units and implementation of group policies.• Maintenance of PC’s running on windows XP, 2003, Linux and Thin client Server.• Responsible to keep systems/servers up to date by Antivirus updating, Internet / Email / E-Mail Network & Server Monitoring Installation / Trouble shooting & Maintenance/ Software Patches. Show less

• Managed and maintained essential IT infrastructure, including operating systems, security tools, applicationservers, email setup, laptop and desktop, software and hardware.• Provided support in implementing ERP applications, handled businesses-critical IT tasks, and systemadministrations.• Researched and evaluated emerging technologies, hardware and software.• Tracked and maintained hardware and software inventory, trained employees to use software andhardware… Show more • Managed and maintained essential IT infrastructure, including operating systems, security tools, applicationservers, email setup, laptop and desktop, software and hardware.• Provided support in implementing ERP applications, handled businesses-critical IT tasks, and systemadministrations.• Researched and evaluated emerging technologies, hardware and software.• Tracked and maintained hardware and software inventory, trained employees to use software andhardware, troubleshoot issues, and provided technical support when needed.• Developed and executed disaster planning and maintained data backups.• Collaborated with different departments, stakeholders, and vendors to ensure the smooth operations of IToperations.• Responsible for implementation & training to end users for Oracle EBS system.• Hands on experience and extraordinary command over Oracle EBS Inventory, Purchasing, B.O.M, W.I.P, andO.M modules.• Key player of "Oracle 11i E business Suite" implementation. Show less