Aian Liwanag

Results oriented SAP Basis Administrator with experience in SAP system installation configuration administration upgrades patching and cloud migration projects. Proficient in managing SAP landscapes system monitoring backup and recovery High Availability and Disaster Recovery (HADR) log shipping and AWS cloud environments. Demonstrated ability to maintain optimal system performance ensure business continuity troubleshoot complex technical issues and deliver reliable support for mission critical SAP systems.

Accomplished Database

Administrator with over 14 years of experience managing maintaining and optimizing enterprise database environments across diverse industries. Extensive expertise in database administration performance tuning backup and recovery disaster recovery planning system migration replication security administration and high availability solutions. Proven track record of delivering stable secure and highly available database services while supporting mission critical business applications.

Strong analytical and problem solving capabilities with the ability to diagnose complex technical issues perform root cause analysis and implement effective long-term solutions.

SAP Basis Consultant / Database Administrator - DXC Technology - No.28 Mckinley Road Mckinley Hill Cyberpark Taguig City National Capital Region (Manila) Philippines

(2021-08)

Project Handled: (Shared Services) JFC / Adbri / Kmart / Ventia / ONE / SCG / CMA -CGM / Pilmico/ HFS

• SAP System Installation and Landscape Setup.
• SAP System Configuration and Administration.
• Database and System Backup Management.
• SAP Kernel, Support Package and System Upgrades/Patching.
• SAP Migration Projects (On Premises to AWS Cloud).
• High Availability and Disaster Recovery (HADR) Implementation and Support.
• Log Shipping Configuration and Administration.
• System Monitoring, Performance Analysis, and Optimization.
• Background Job Scheduling Monitoring and Management.
• Transport Management using ChaRM and SAP Solution Manager (SolMan).
• Incident Resolution, Root Cause Analysis, and Troubleshooting.
• SAP System Health Checks and Preventive Maintenance.
• User Administration and Security Management.
• Technical Support for SAP Landscapes across Development, Quality Assurance and Production Environments.

Database Administrator - DXC Technology - Two Cyber pod Centris Edsa, Eton Centris, Quezon City Philippines

(2017-05 - 2021-07)

Under Action Labs IT Services Phil's Corp. 384-B E Rodriguez Sr. Ave, Cubao, Quezon City, 1109 Metro Manila. Project Handled: Jollibee Food Corporation

Data Base Administrator - IL & FS Technologies Philippines - 2/F IMC- Lares Bldg. LRA Compound Cor. NIA Rd, East Ave, Diliman, Quezon City 1100 Philippines

(2011-03 - 2015-11)

Project Handled: LAND TITLING COMPUTERIZATION PROJECT Land Registration Authority Building, LRA Compound, East Ave. Diliman, Quezon City, 1100 Philippines

Associate Consultant - Sybase Solutions Corporation - Suite 2510 Prestige Tower, Emerald Avenue Ortigas Center, Pasig City

(2010-03 - 2011-02)

Project Handled: Sybase Solution Incorporation 25th floor Prestige Tower Ortigas Pasig City

• Administered and maintained Sybase Adaptive Server Enterprise (ASE) databases, ensuring high availability, optimal performance and operational reliability across production and non-production environments.
• Monitored Linux server storage database capacity and system resources, proactively identifying and resolving issues to prevent service interruptions and performance degradation.
• Managed and executed full database backup restor and recovery operations, ensuring compliance with disaster recovery and business continuity requirements.
• Performed database maintenance activities including REORG and Update Statistics, to optimize query performance and improve overall system efficiency.
• Led database recovery and server restoration activities following hardware failures, minimizing downtime and ensuring rapid service recovery.
• Installed, configured, upgraded, patched and maintained Sybase database environments in accordance with organizational standards and best practices.
• Managed database resources including disk space, memory allocation and client connections to ensure stable and efficient database operations.
• Executed database migration refresh and replication activities across Training, UAT, OPTEST and Production environments while maintaining data integrity and system availability.
• Administered database security through user account management, role assignments, access controls and privilege administration based on business and compliance requirements.
• Implemented and supported Disaster Recovery (DR) solutions, including log shipping and replication technologies, ensuring data protection and business resilience.
• Monitored, analyzed and resolved log shipping replication and database synchronization issues to maintain data consistency across environments.
• Coordinated and implemented database changes deployments and configuration updates in UAT and Production environments following established change management processes.
• Developed enhanced and maintained shell scripts to automate administrative tasks, improve operational efficiency and reduce manual intervention.
• Performed proactive database health checks, performance monitoring and root cause analysis to identify risks and implement preventive measures.
• Troubleshot and resolved complex database incidents, providing timely resolution of critical production issues and minimizing business impact.
• Collaborated with clients application teams and infrastructure teams to provide technical support status updates and recommendations for continuous service improvement.
• Validated backup recovery and disaster recovery procedures through regular testing and execution of recovery drills.
• Supported infrastructure migration site transition and database consolidation projects while ensuring seamless business operations and minimal downtime.

Data Base Administrator - Land Registration Systems Inc. - 2/F IMC- Lares Bldg. LRA Compound Cor. NIA Rd, East Ave, Diliman, Quezon City 1100 Philippines

(2015-11 - 2016-07)

Project Handled: LAND TITLING COMPUTERIZATION PROJECT Land Registration Authority Building, LRA Compound, East Ave. Diliman, Quezon City, 1100 Philippines

• Administered and maintained Sybase Adaptive Server Enterprise (ASE) databases, ensuring high availability, optimal performance and operational reliability across production and non-production environments.
• Monitored Linux server storage database capacity and system resources, proactively identifying and resolving issues to prevent service interruptions and performance degradation.
• Managed and executed full database backup restor and recovery operations, ensuring compliance with disaster recovery and business continuity requirements.
• Performed database maintenance activities including REORG and Update Statistics, to optimize query performance and improve overall system efficiency.
• Led database recovery and server restoration activities following hardware failures, minimizing downtime and ensuring rapid service recovery.
• Installed, configured, upgraded, patched and maintained Sybase database environments in accordance with organizational standards and best practices.
• Managed database resources including disk space, memory allocation and client connections to ensure stable and efficient database operations.
• Executed database migration refresh and replication activities across Training, UAT, OPTEST and Production environments while maintaining data integrity and system availability.
• Administered database security through user account management, role assignments, access controls and privilege administration based on business and compliance requirements.
• Implemented and supported Disaster Recovery (DR) solutions, including log shipping and replication technologies, ensuring data protection and business resilience.
• Monitored, analyzed and resolved log shipping replication and database synchronization issues to maintain data consistency across environments.
• Coordinated and implemented database changes deployments and configuration updates in UAT and Production environments following established change management processes.

Bachelor of Science - Computer Science - University of Regina Carmeli (2005 - 2009)