MOHAMMED ALI ELHAJ IBRAHIM
Sr. Database Administrator
Riyadh
Summary
Highly qualified Database Administrator with +11 years' experience in database installation, creation, patching, maintenance, and troubleshooting and administration. Highly skilled in HA and Replication Solutions including Oracle RAC, Oracle Exadata, Oracle Data Guard. Excellent experience in many technologies like MYSQL, Microsoft SQL server, PostgreSQL.
Overview
11
11
years of professional experience
10
10
Certifications
2
2
Languages
Work History
Database Team Leader
Kuwaiti Sudanese Holding Company
09.2020 - Current
- Develop and maintain database documentation and procedures
- Configure and manage database replication, clustering, and high availability solutions
- Implement database backup and recovery strategies to minimize downtime and data loss
- Monitor, optimize, and troubleshoot database systems to ensure high availability and reliability
- Monitoring database performance to ensure that it meets KPI requirements
- Promote best practices in database management, adhering to professional standards
- Contribute to development and maintenance of enterprise information architecture, particularly in relation to database management
- Provided 24x7 Remote / on-call production support
- Generate reports, document findings, and present analyses, project statuses, as well as identified risks and issues related to database
- Perform root cause analyses for database-related issues, proposing and implementing permanent solutions
- Assist in data merging, migration efforts, and development of database interfaces, both internal and external
- Maintain audit and data security as ISO requirements
- Vendor management.
Storage & Database Team Leader
Huawei Technologies
01.2017 - 08.2020
- Perform database design
- Maintain database backup and validate integrity of backup
- Maintain data security
- Perform database automation and script writing and provide support in operating systems troubleshooting
- Investigate and resolve incidents/ requests relating to enterprise databases and escalate irresolvable faults/ issues to relevant vendors/ suppliers where appropriate
- Manage storage & backup services hosted in cloud and on-premises
- Day to day administration and maintenance of enterprise level data backup and recovery solutions
- Monitor and tune storage infrastructure & requirements
- Engage with storage vendors, to configure and optimize storage, troubleshoot to determine root cause with future cause avoidance.
- Established open and professional relationships with team members to achieve quick resolutions for various issues
- Built strong relationships with customers through positive attitude and attentive response
- Created and managed project plans, timelines and budgets
- Conducted regular reviews of operations and identified areas for improvement
- Evaluated staff performance and provided coaching to address inefficiencies
Database Specialist
Zain Telecom Sudan
01.2015 - 12.2016
- Creates and maintains all databases required for development, testing, education, and production usage
- Performs capacity planning required to create and maintain databases
- Performs database re-organizations as required to assist performance and ensure maximum uptime of database
- Install new versions of Oracle RDBMS and its tools and any other tools that access Oracle database
- Plans and implements backup and recovery of Oracle database
- Controls migrations of programs, database changes, reference data changes and menu changes through development life cycle.
- Modified databases to meet needs and goals determined during planning process
- Administered, supported, and monitored databases by proactively resolving database issues and maintaining servers
Database Administrator
MTN Telecom, Sudan
01.2013 - 12.2014
- Perform database installation, configuration, and patching
- Ensure database availability
- Maintain database backup, and recovery
- Optimize database performance.
- Created and updated database designs and data models
- Developed scripts and processes for data integration and maintenance
- Modified databases to meet needs and goals determined during planning process
Education
BSC. Information Technology -
Computer Man College
Sudan 08.2010 - 08.2010
Skills
Database design and modelingData securityOperating system (Linux, Microsoft Windows, UNIX)Cloud computingDatabase AdministrationDatabase backup and recoveryDatabase MigrationOracle RAC Real Application ClusterOracle ExadataOracle Data GuardOracle OEM 12cOracle GoldengateMS SQL ServerMySQLPostgreSQL
EMC Networker, COMMVAULT backup system
EMC VMAX, 3PAR, HUAWEI Dorado storage
Shell scriptingVERITAS Storage Foundation and Cluster
Team LeadershipIncident ManagementProject managementWorking under pressure
Analytic mindset and good problem-solving skillsExcellent verbal and written communication skillsCertification
ITIL 2011 Intermediate Operational Support and Analysis
Accomplishments
- Automate weekly KPI using shell scripting for data gathering and Power BI tool for generating reports and visuals which is more convenient for customer and gives informative dashboard with auto data refresh
- Develop a script that collects all database systems capacity which helps in capacity planning and detecting abnormal growth of data for capacity optimization
- Develop an inventory that holds all database information in one place instead of using excel sheet that facilitates administration, planning, and monitoring tasks for DBA
- Automate the top consuming database tasks like adding partitions, Tablespace Creation, Moving Indexes, and Partitions, adding datafiles, archiving old data using Transportable tablespace TTS
- Automate system and storage administration tasks like VMAX LUN provisioning, VMAX LUN reclaiming, Oracle 11g prerequisite installation steps, LVM mount point creation
- Enhance database monitoring by developing shell script to monitor database user expiry monitoring, database session monitoring, database critical issue in Alert log, number of database process monitoring, database blocked session monitoring, Exadata cell-disk monitoring that increase application availability and decrease service interruption
- Develop a solution for archiving old ERICSON Billing System (CBIO) data which contributes to MS project income by adding revenue as extra work
- Develop a solution to monitor all IT licenses expiry integrated with NAGIOS system that added more control and stability to IT service delivery
Timeline
Database Team Leader
Kuwaiti Sudanese Holding Company
09.2020 - Current
Storage & Database Team Leader
Huawei Technologies
01.2017 - 08.2020
Database Specialist
Zain Telecom Sudan
01.2015 - 12.2016
Database Administrator
MTN Telecom, Sudan
01.2013 - 12.2014
BSC. Information Technology -
Computer Man College
08.2010 - 08.2010