Nkere Ukpoho
Manor,TX
Summary
Seasoned Database Administrator with over 10 years of experience designing and implementing database solutions. Analytical in solving problems and skilled in understanding business requirements to develop IT infrastructures. Self motivated in researching new technologies to improve IT system functionality.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Support Escalation Engineer
Persistent Systems
06.2023 - 09.2023
- Configured and Administered Oracle Network
- Setup and monitored database backup jobs and work on PROD to NON-PROD database refresh tasks.
- Monitored database alert notifications, transaction volumes, server and database space utilization, backup jobs and take timely/preventive action before production issues are caused.
- Participated in on-CALL DBA support rotation and provide after-hours DBA support for production databases during weekends or late nights when required.
- Assisted in fine-tuning application programs / processes that depend on databases.
- Supported application development teams in their production deployments.
- Assisted with root cause analysis (RCA) of production database issues and work towards long-term solutions
- Participated in developing standards for data access and database administration
- Upgraded and patched Oracle database software using high availability configurations with minimal downtime to applications
- Worked with Oracle Support for system issues that require product support.
- Worked with cross-functional team members belonging to IT Infrastructure, Information Security, Network, Storage etc. in articulating Oracle database requirements
- Prioritized resolving database and database server related security vulnerability findings in timely fashion
- Prepared action plans for problematic processes and assets
- Trained and mentored competent and flexible workforce to meet project needs and promote positive work environment
Senior Technical Support Engineer
Persistent Systems
Remote USA
06.2022 - 06.2023
- Setup and monitored database backup jobs and work on PROD to NON-PROD database refresh tasks.
- Monitored database alert notifications, transaction volumes, server and database space utilization, backup jobs and take timely/preventive action before production issues are caused.
- Participated in on-CALL DBA support rotation and provide after-hours DBA support for production databases during weekends or late nights when required.
- Helped reduce outages to near 0%
- Assisted with root cause analysis (RCA) of production database issues and work towards long-term solutions.
- Participated in developing standards for data access and database administration.
- Upgraded and patched Oracle database software using high availability configurations with minimal downtime to applications
- Worked with Oracle Support for system issues that require product support.
- Logged service requests and followed up for resolution of critical
- Worked with cross-functional team members belonging to IT Infrastructure, Information Security, Network, Storage etc. in articulating Oracle database requirements
- Prioritized resolving database and database server related security vulnerability findings in timely fashion
Oracle Database Administrator
Tangoe Inc.
05.2013 - 06.2022
- Led design, implementation of database objects - tables, tables spaces, indexes, user accounts, profiles, views, sequences, PLSQL packages & procedures
- Monitored database performance, storage capacity and CPU usage using Oracle Grid Control or OEM
- Monitored OLTP databases using various tools like AWR, ADDM, SQL-Trace, Tkprof to analyze and improve their explain plan
- Upgraded and patched Oracle database software using high availability configurations with minimal downtime to applications
- Worked with Oracle Support to resolve critical database issues
- Reviewed database design to recommend enhancements or improvements
- Troubleshot database issues to create and resolve trouble tickets
- Implemented security measures to protect vital business data
- Migrated large amounts of data from on-premise to cloud databases
- Designed infrastructure for disaster recovery scenarios
- Monitored and analyzed database activity to identify and prevent incidents and recommend performance improvements
- Liaised with system administrators to monitor, troubleshoot, triage and provide RCAs for incidents.
- Worked under environments having total 1000+ Servers spanned on multiple O/S’s and Data Centers globally
- Performed Installs, upgrades and patching of Oracle databases and clients
- Performed backup and recovery procedures from multiple recovery scenarios ranging from user errors, hardware failures to natural disasters
- Trained DBA team on Oracle advanced features, administrative duties, and Dataguard implementation
- Proposed database changes to ease monitoring and administrative effort
Education
Certificate - Oracle 11g Database Administration I & II
Austin Community College
Austin TX08.2014
Master of Science - Information Technology
North Carolina A & T State University
Greensboro, NC05.2009
Bachelor of Science - Electrical, Electronics Engineering Technologies
Polytechnic
Calabar01.2000
Skills
- Oracle: Oracle 10g, 11g, 12c, 19c
- PLSQL, Javascript
- Oracle Grid control
- Oracle Flashback, External tables, Sqlloader
- Datapump, Dblinks, RMAN
- Oracle Performance Tuning
- OCI, AWS
- DBA Third Party Tools: PL/SQL Developer, Oracle SQL Developer, Power Point,
- OS: Windows, Linux Red Hat, Oracle Linux
- Data Migration
- Disaster Recovery
- Query Writing
- Oracle Enterprise Manager (OEM)
- Batch Scripting
- Virtualization Vmware, virtualbox
- Technical Writing
- Database Security
- OEM Management
- Mentoring
Certification
- Oracle - Oracle Cloud Infrastructure Foundations 2021 Certified associate
- Microsoft - Microsoft Certified Technology Specialist
- Microsoft - Microsoft Certified Professional
- LinkedIn - Project Management Foundations: Small Projects
- LinkedIn - Learning Oracle Database 19c
Timeline
Support Escalation Engineer
Persistent Systems
06.2023 - 09.2023
Senior Technical Support Engineer
Persistent Systems
06.2022 - 06.2023
Oracle Database Administrator
Tangoe Inc.
05.2013 - 06.2022
Certificate - Oracle 11g Database Administration I & II
Austin Community College
Master of Science - Information Technology
North Carolina A & T State University
Bachelor of Science - Electrical, Electronics Engineering Technologies
Polytechnic
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