Walters Ngong
Senior Oracle Database Administrator PNC Bank
- Role
- Senior Oracle Database Administrator at PNC
- Location
- Richmond, TX, US
- LinkedIn followers
- 500 followers
About Walters Ngong
PROFESSIONAL SUMMARY Highly skilled Oracle Database Administrator with 8+ years of…
Experience
Senior Oracle Database Administrator
Jul 2020 — Present
Managed and maintained Oracle 11G, 12C and 19C database environments for mission-critical applications, ensuring high availability, performance, data integrity and security• Designed and implemented Oracle RAC and Data Guard for database redundancy, disaster recovery, and failover solutions, enhancing system uptime by 30%• Performed performance tuning, query optimization, for databases supporting over users, reducing average query response• Led the migration of Oracle databases from on-premises to AWS RDS using Oracle Data Pump & AWS DMS, ensuring seamless data transfer and a 20% reduction down time. Also perform Oracle RMAN duplicate from on-premises to AWS EC2 instances • Automated routine maintenance tasks using PL/SQL and shell scripting, decreasing manual workload• Implemented database security policies, including transparent data encryption, standard auditing, and access control, reducing vulnerabilities• Provided 24/7 support for database incidents, managing issues related to performance, connectivity, and corruption, achieving a 98% incident resolution rate within SLA• Collaborated with development and infrastructure teams by creating realistic test environments with sample data that mimics productionKey Achievements:• Led upgrade/migration projects whereby 11G database instances were migrated and consolidated into 12C/19C multitenant architecture instances, hence reducing server footprint by 25% and cutting operational cost by 15%• Executed disaster recovery drills by configuring Data guard in multiple data centers, achieving full data recovery in less than 30 minutes
Education
Université De Dschang
Bachelor of Science
2015
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