Hire the Best Oracle Database Administrators
in Bangladesh

Hello I am Imran Hussain Heron. I have a total of 13 years of experience with Oracle, MySQL, and MSSQL databases. My significant experience includes: Oracle Database: Implementation and management of Oracle Database 10g, 11g R1, 11g R2, 12c, and 19c Database Backup and Recovery: Expert in RMAN and Oracle import/export High Availability Solutions: Real Application Clusters (RAC), Physical Standby (Data Guard), and Logical Standby Middleware and Infrastructure: Oracle WebLogic, Oracle Grid Infrastructure (11g-19c), and Fusion Middleware Security: Oracle Audit Vault and Database Firewall, Oracle & MSSQL Transparent Data Encryption Performance Tuning: Oracle & MSSQL performance tuning Database Upgradation & Migration: Oracle and MSSQL database upgradation and migration Disaster Recovery and High Availability: MSSQL AlwaysOn Availability Groups, Replication, Log Shipping, Mirroring, and Clustering MySQL Administration: Administration and DR implementation Additional Expertise: Oracle GoldenGate, Oracle Gateway Thank you for visiting my portfolio. Best regards, Imran Hussain Heron

12 Years of total IT experience and work with 27 Customer End including 20 Gov. and Private Bank in Bangladesh, 6 other corporate clients. Vast exposure to IT Infrastructure Management space. Domain expertise on Oracle Database, Security, Solaris (UNIX), SPARC and x86 System. Successfully managed multiple projects involving Implementation and Production Support (Oracle Exadata, Oracle RAC, Oracle Data Guard, Linux Cluster, Solaris Cluster, Oracle Database Appliance, Oracle Advance Security, Audit Vault, Thales nShiled, Thales Payshield, Oracle SUN SPARC and x86 System etc.). Having extensive subject matter expertise in IT Operation Management, Strategic Technology & Developing Cost Effective Solutions to meet customer / business requirements.

Summary of Experience : -- 10+ years of experience on ORACLE Database 10g, 11g, 12c, 19c -- Experience of Oracle RAC 11g, 12c, 19c, 21c -- Experience of Oracle ASM 11g, 12c, 19c,21c -- Experience with Oracle Active Dataguard (ADG) 11g, 12c, 19c, 21c configuration, especially both on RAC to Single Instance and RAC to RAC -- Experience in Database design and Oracle Database installation and maintenance on various platforms like IBM AIX, HP-UX, and Linux (Redhat, Oracle Enterprise Linux). -- Experience with ORACLE PL/SQL. -- Experience with ORACLE Apex. -- Experience in export/import using Datapump and traditional exp/imp. -- Experience of Advanced RMAN Backup, Restore & Recovery with disk & tape technology. -- Experience in Patching on production environments like RAC, Single Instance and Linux, AIX, etc. -- Experience in database migration among heterogeneous platforms. -- Experience with Oracle database up-gradation. -- Experience with Oracle database patching. -- Experience in shell scripting. -- Experience of working on various CBS(Core Banking System) like T24(Temenos), Ababil, Bank Ultimus, iSteler etc. -- Experience of Indexing & Partitioning.

Driven by curiosity and fueled by challenge, I’m a lifelong learner and researcher at heart—someone who thrives on diving deep into complex systems and bringing ideas to life through rigorous implementation. With over 14 years of experience spanning banking, telecommunications, software, and fintech, I’ve cultivated a robust expertise in database engineering and operations. My core strengths include: Advanced performance tuning and SQL optimization. Troubleshooting and maintaining mission-critical database environments. Designing and configuring replication, clustering, and high-availability architectures. Orchestrating seamless backup, recovery, upgrade, and migration workflows. I embrace new technologies with enthusiasm, constantly exploring innovative solutions that enhance reliability, scalability, and operational excellence. Whether it's refining a query plan or architecting a disaster recovery strategy, I bring precision, persistence, and a passion for excellence to every challenge.

I have been working on IT industry for 10+ years. Worked as DBA on large IT project with 140+ oracle databases. I have production level installation and maintenance experience of 2 node RAC, data mirroring between two SAN using ASM, 2 node RAC database on Disaster Recovery center for SAN replication environment. I have also configured RAC-RAC and multi standby DataGuard and GoldenGate. Besides Oracle database, I have configured SQL Server 2016 cluster and replication.

Hello, Thank you for checking out my profile. Here is a quick overview of my skills & strengths, I am Software Architect well organized, dedicated, energetic, hardworking, efficient and self motivated. Education: I have Master in Software Engineering Degree and Bachelor in Computer Science & Information Technology( CSIT . Seeking for the challenging job from the reputed organization where I can use my skills, knowledge and experience for the company’s progress and benefit. Over the last 18 years, I have designed ERP, DFD, ERD, GUI, process modeling & developed a wide range of database software using Oracle database, Oracle Forms and Reports, Oracle Apex, BI Publisher, Power BI, SQL Server, MySQL, Postgres, FileMaker Pro in home and abroad. I am confident I would make a valuable and immediate contribution to your operations. My technical skill are as follows: Domain Competency : * 18+ years of HealthCare domain experience. * 12+ years of Pharmaceutical, Manufacturing, Supply Chain, and Financial domain experience. * 03+ years of Bank, Oil & Gas, Education, Association domain experience. * 01 + years of Trade, Digital Marketing, and Distribution domain experience. * 01 years of Real Estate Industry, Hotel, and Tourism domain experience. Technology Expertise: 01: Database Experience: Oracle Database7-11g R2,12C, 18c,19c, Autonomous database, Oracle Application Server10g, Developer suite 10g, Oracle Form/Report/Query Builder, Warehouse Builder 10g( ELT, ETL, Cube and Dimensions), Oracle Discoverer, Oracle BI Publisher Desktop, Oracle BI Publisher 10g,Oracle web logic, PL/SQL, Oracle XE 11g, MS SQL Server 2008, MySQL, Postgres, Filemaker pro, MS Access.5000+ Reports & pages development experience using Oracle, APEX, Oracle BI Publisher, Microsoft Power BI and Developer Suit. 02: Web Programming Language: Java Script, jQuery, Bootstrap, Ajax,VB Script, ASP,DHTML, Jasper- Crystal Report, HTML, XML,WML,CSS, JDeveloper 11g,ADF,Tomca,, Tomcat, PHP, WordPress, joomla, Oracle APEX 3,4,5 to APEX 21.1 03: Programming Language: C, C++, Java 04: Operating System: DOS, Windows Server, Red Hat Linux 05: Application Program: Ms Office, 360, MS Visio 2003, SmartDraw. TALLY, Quick Books, STAAD, TOAD,SPSS,STATISCA,Sage MAS,Arcview,Arc GIS,ProBank, PCbank,Wincor Nixford banking Software. Application Server.MS Project, Putty, FTP,UML. Balsamiq Mockups, Pencil, yFiles, ER/Studio. Trello, jira,p-tracker, Monday.com. 06: ERP: mPharma ERP, mhealthcare ERP, Oracle EBS, Openbravo, OpenERP, Orangehrm, 07: Hardware: Assembling, Troubleshooting, BIOS Setup, Server configuration(HP,DELL,IBM),Toshiba,Compaq,Dell,Asus Laptop Setup 08: Networking: Network Cabling, Device Setup, Protocol & Service Setup, Server Configuration-Domain Registration in Win NT Server 4.O, Windows Server 2000/2003. Network Troubleshooting, Network Maintenance, Proxy Server, Firewall, Switch, Router Configuration. 09: Cloud System: Oracle Cloud, Amazon Cloud-AWS, hostmonster.com Publication: 1) Cloud Application Development- Oracle Apex link are as follows rokomari dot com/book/207906/cloud-software-development-oracle-apex?fbclid=IwAR1Xfwqa8n9n3vK8OMp0g0B20C5eJSCmpFXR4gqCuRmyNlcuQNNui1zAPwY 2) Business Intelligence BI - Oracle BI Publisher, Microsoft Power BI rokomari dot com/book/268513/oracle-bi-publisher 3) Journal ijsecs.ump.edu. my/index. php/archive/17-v4/74-ijsecs-04-0044 4) //globaljournals. org/GJCST_Volume18/5-Rework-and-Reuse-Effects.pdf Membership: :Bangladesh Computer Society Membership ID: AM05212. Bangladesh Software Testing Board