Lucas Mpho Mabaso
Oracle Apps Database Administrator
Johannesburg
Summary
I'm a certified Oracle Apps DBA Professional with over 15 years experience in E-Business Suite 12.1.x/12.2.x EBS (Weblogic Server) , 19c Database ASM RAC infrastructure with Physical Standby DBs ( Data Guard).
I have consulted in different industries: Banking, Pharmaceutical, Telecommunication and Transport to name a few.
Currently working as a Senior Database Administrator at South African National Road Agency (SANRAL), responsibly for multiple databases of different sizes.
Overview
5
5
Certifications
19
19
years of professional experience
Work History
Senior Oracle Database Administrator
South African National Roads Agency Limited (SANRAL)
Johannesburg, ZA
08.2025 - Current
Apps Database Administrator
Appsolve
Johannesburg, ZA
08.2017 - 08.2025
- Perform performance tuning on an OS (Linux/Unix/Windows), Database (11g/12g/18g) and Application (R12.1) level.
- Database/Application patching and upgrading.
- Maintain database and application user security controls, administering user assigned responsibilities, database user privileges and user accounts states.
- Maintain database backups, using Recovery Manager (RMAN) maintain backup policies as per client's requirements, including the Application OS backups.
- Implement client's audit requirements pertaining to Applications and Databases.
- Perform Daily Database and Application checks: OS/DB Space, Availability, performance, Services state, Backups, User logins states(failed/successful), Reporting.
- Play a Database Admin role in the implementation of projects relating to new features and custom configuration enhancements projects.
- Assist developers, functional personnel and system users on a daily basis with issue that relate to Database and technical aspect on the Application.
Apps Database Administrator
Exact-Consulting
Johannesburg, ZA
01.2020 - 01.2022
Oracle Apps/Core Database Administrator
RDB Consulting
08.2016 - 07.2017
Apps Database Administrator
Appsolve
02.2013 - 07.2016
- Duration: 3 Years
Oracle Apps/Core Database Administrator
RDB Consulting
12.2011 - 01.2013
- Duration: 1 Year
Oracle Apps Database Administrator
ICT-Works
05.2007 - 11.2011
- Application / Database: Responsible for ensuring the Oracle Application (EBS) / Database is available to users for continuous use of the system. Manage the database space and growth of the database, monitoring tablespace for adequate available space for normal operations. Compiling invalided object in the db due to db users or system operations. Apply db quarterly patches on the database and apply patches on the application tier. Administer the application using adadmin utility. Perform Application and database upgrades. Managing and check the states of the con-current managers on the system.
- Backups: Ensuring backups are taken daily (or as per client requires - Hot or Cold) and checking the states of the backup runs.
- Security: Managing and controlling application users (Password reset, user end-date), and assigning responsibilities to users. Managing profile options as per client requires and audit requirement. Manage database user profiles. And the documentation of the above mention's activities.
- Migration: DB 11.2 & Application R12.1.3 platform migration, Redhat 5 (Physical) to OVM Linux 6.
- Duration: 3 Year
System Service Technician
Uniclox
03.2007 - 04.2007
- Assemble clocking devices (Fingerprint Scan, Hand Scan, etc.) requested by client, and attached device to a DC backup Battery supply.
- Assess/analyze client site for device installation and offer some recommendations.
- Install device on client site as per client requirements and specifications.
- Install in-house developed software for clocking records.
- Train the custodian (user/s) for the use of the application and the installed device.
- Duration: 2 Months
Education
Gauteng Senior Matriculation Certificate - Mathematics, P. Science, Biology, Geography, English, South Sotho, Afrikaans
Katlehong High School
01.2003
Computer Systems ND Eng. - Database Principles III, Software Engineering III, Operating Systems III, Digital Communication II, Programming III, Network Systems III, System Analysis II, Computer Skills, Mathematics II, Projects I, Electrical Engineering, I, Electronics II, Entrepreneurship II, Logic Design III, Process Instrumentation I, Communication Skills, Design Projects III
Vaal University of Technology
03.2009
Skills
Oracle Application DBA (Oracle E-business suite R11 and R122x)
OCI - Oracle Cloud Infrastructure
WebLogic Server
Oracle applications server 9i/11i/R12
MS SQL Gateway Integration
Oracle database 10g, 11g,12c,19c
ASM
RAC (Real Application Cluster)
Linux
Unix
Windows Server
Recovery Manager (RMAN)
Shell Scripting
Certification
Gauteng Senior Matriculation Certificate
Timeline
Senior Oracle Database Administrator
South African National Roads Agency Limited (SANRAL)
08.2025 - Current
Apps Database Administrator
Exact-Consulting
01.2020 - 01.2022
Apps Database Administrator
Appsolve
08.2017 - 08.2025
Oracle Apps/Core Database Administrator
RDB Consulting
08.2016 - 07.2017
Apps Database Administrator
Appsolve
02.2013 - 07.2016
Oracle Apps/Core Database Administrator
RDB Consulting
12.2011 - 01.2013
Oracle Apps Database Administrator
ICT-Works
05.2007 - 11.2011
System Service Technician
Uniclox
03.2007 - 04.2007
Gauteng Senior Matriculation Certificate - Mathematics, P. Science, Biology, Geography, English, South Sotho, Afrikaans
Katlehong High School
Computer Systems ND Eng. - Database Principles III, Software Engineering III, Operating Systems III, Digital Communication II, Programming III, Network Systems III, System Analysis II, Computer Skills, Mathematics II, Projects I, Electrical Engineering, I, Electronics II, Entrepreneurship II, Logic Design III, Process Instrumentation I, Communication Skills, Design Projects III
Vaal University of Technology
Courses Attended
- Oracle Database 10g: Introduction to SQL
- Oracle Database 10g: Administration Workshop I
- Oracle Database 10g: Administration Workshop II
- SUSE Linux Enterprise Server 10 Fundamentals