WALEED Mohammed

Database and IM Senior Officer

تكنولوجيا / إنترنت

Erbil, Arbīl

عن WALEED Mohammed:

Have more than 25 years of experience in IT Managements, Solutions , Data Managements , Convert business requirements into highly specified project , Systems Documentations , software development . Works with databases (analyst and programming) , both large and small, collect bits of data into structured information, Create queries to organize data and provide organized information targeted to a specific goal or question , create queries that pull information that meets business objectives.

Develop data flow models for new databases and database schema for storing and moving business-critical data ,collect, store, and move data is critical for creating new databases and finding a variety of relationships between data , solving abstract problems and meeting nonlinear requests.

الخبرة

Senior Database and IM

HALOTRUST

2021-Present

Manage and develop Database Management Systems
Create, migrate and maintain database objects such as tables, views, index, constraints, etc. in PostgreSQL architecture
Archiving system design , implement , and management.
Gather, analyze, and integrate spatial data from staff and determine how best the information can be displayed using GIS tools;
Proactively analyze data to answer key questions from stakeholders or out of self-initiated curiosity with an eye for what drives business performance, investigating and communicating areas for improvement in efficiency and productivity
QA operational data, highlight errors
Develop tools to help programme check and QA data more effectively
Prepare statistical reports using queries and views as directed
Conduct statistical/data analysis as directed by management· Monitor the location's data collection from the field to the office in Survey123 App
Develop BI tools and dashboards to display achievements of programme using MS Power BI
Help to resolve clerical errors from teams in the field to ensure accurate data entry
Work with the national mine action authority to import/transfer HALO’s data in to the national database
Prepare GIS maps when required.

Senior DBA Administrator

2019-2021 Iraq National Gate

(Payments Company)

Oracle DB architecture, installation, configuration and projects.
MS SQL, MariaDB , SQL Server , PostgreSQL databases managemnets.
Archiving system design , implement , and management.
Oracle RMAN (backup and recovery), RAC, Grid Infrastructure, ASM, and Grid Control.
Oracle Options including Partitioning, Advanced Compression, Advanced Security.
database migration, Patching and Upgrading (between different databases Oracle,SQL-Server,Maria DB , Mysql , PostgreSQL)
Install, patch, maintain and monitor Oracle databases
Create and maintain SQL and PL/SQL queries and shell scripts
Monitor, and verify backups and perform ad-hoc backups
Provide maintenance support for database systems.
Data Extraction, transformation, and loading
Database tuning and troubleshooting
Recommend enhancements in Oracle DB and tool based on implementation experience.
Train Staff in database querying and managements.
From customers to build plans and strategy to develop customer services.
Supervise Reporting team to design and create all reports and analysis data to develop all offers and services that we develop to subscribers.
DBA tasks , Database performance analysis, diagnosis and tuning (SQL Query Optimization, Storage and Network performance, CPU and Memory tuning).

2017 – 2019 Senior Database Administartor

Earthlink

Manage SQL Server databases
Configure and maintain database servers and processes
Monitor system's health and performance
Ensure high levels of performance, availability, sustainability and security
Analyze, solve, and correct issues in real time
Provide suggestions for solutions
Refine and automate regular processes, track issues, and document changes
Assist developers with query tuning and schema refinement
Provide 24x7 support for critical production systems
Perform scheduled maintenance and support release deployment activities after hours.
Oracle Database administration (install , design , maintenance , tunning ,…)

Senior Oracle Developer / DBA

9-2012 3-2017 ITISALUNA Telecommunications Company

Baghdad- Iraq

Oracle DB architecture, installation, configuration and projects. Oracle RMAN (backup and recovery), RAC, Grid Infrastructure, ASM, and Grid Control. Oracle Options including Partitioning, Advanced Compression, Advanced Security. database migration, Patching and Upgrading (between different databases Oracle,SQL-Server,Maria DB , Mysql , PostgreSQL) Install, patch, maintain and monitor Oracle databases Create and maintain SQL and PL/SQL queries and shell scripts Monitor, and verify backups and perform ad-hoc backups Provide maintenance support for database systems. Data Extraction, transformation, and loading Database tuning and troubleshooting Recommend enhancements in Oracle DB and tool based on implementation experience. Train Staff in database querying and managements. From customers to build plans and strategy to develop customer services. Supervise Reporting team to design and create all reports and analysis data to develop all offers and services that we develop to subscribers. DBA tasks , Database performance analysis, diagnosis and tuning (SQL Query Optimization, Storage and Network performance, CPU and Memory tuning). Overseas IT billing and reporting systems team to handle daily department tasks. Install and manage Enterprise Manager to Manage Databases. Ensured data backup and recovery, maintenance, data integrity and space requirements for the database server environments. create and manage Unix scripts and control files to upload (Sql loader) unix CDRs files to oracle database. Design and create databases schema objects like tables, views, indexes , and procedures. Served as security administrator that provides authorization to users, permissions for tables, views, and procedures. Worked directly with various customers, application developers, operating system administrators, and other database administrators to implement projects and resolved performance issues.
Building mediations Unix scripts to put CDRs Unix files in proper way to upload it to database.
Develop Unix scripts ( bash scripts , control files , ..) to upload CDRs.