Lynn Pereira
DONCASTER,South Yorkshire
Summary
An Oracle Certified Professional DBA with over 15 years experience in administration & support of Oracle databases (8i - 19c) as well as SAP R/3 & Oracle Apps 11i, eager to leverage technical skills in cloud-based database systems.
Expertise in numerous leading Oracle technologies, coupled with a demonstrated ability to promptly master new and evolving technologies
Goal oriented and dedicated with strong problem resolution & communication skills working effectively in collaborative and self-motivated environments
Overview
24
24
years of professional experience
Work history
Senior Oracle DBA
Close Brothers Ltd.
10.2014 - 09.2023
- Supporting a landscape of 400+ non-production and 50 production database environments
- Installation & upgrades of Oracle databases from 10g through to 19c using multitenant & non mulitenant architecture along with the implementation of Oracle RAC, RAC One Node & ASM
- Techinical lead for the migration of databases from VMWare to Oracle Exadata and more recently to Oracle Cloud Infrastructure (OCI)
- Technical lead for creating database design & implementation standards for OCI, working with the architecture & project teams.
- Grid Infrastructure & Database patching
- High availability configuration & database replication using Oracle DataGuard & participating in disaster recovery exercises
- Backup strategies using Oracle RMAN integrating with Networker, Rubrik and more recently AWS
- Data replication/transformation to the data warehouse using Oracle Goldengate
- Implementing Transparent Data Encryption (TDE)
- Installation & configuration of Oracle Enterprise Manager (EM) for monitoring & reporting purposes
- Performance tuning using AWR & ASH analytics to troubleshoot database performance issues
- Configuration & installation of Oracle databases for SAP applications
- Cloning production databases for Development & Test teams
- Supporting the change management process regularly deploying application updates to pre-production & production environments
- Involved in a pilot implementation for Oracle on AWS
- Bash scripting for various automation/monitoring/daily checks
Oracle DBA
General Dynamics IT (GDIT)
01.2013 - 10.2014
- Day-to-day administration of a pre-production & production RAC environment (3-node each)
- DR setup & configuration with Data Guard
- RMAN configuration & administration
- Periodic database refreshes of the pre-production environment using either RMAN scripts or Datapump utilities
- Analyze & resolve problems experienced in pre-production & production environments
- Scripting for database monitoring & health check reports
- Deploying application scripts as part of the change management process
- Oracle patching (PSU’s)
- Performance Tuning
Oracle Database Administrator
Engage Mutual Assurance
01.2010 - 10.2011
- Technical lead for migration & upgrade of Oracle 8i databases on Windows 2003 32bit to Oracle 10g on Windows 2008 64bit
- Technical lead to analyze & resolve problems experienced in the migration & upgrade
- Technical lead for SQL tuning of queries affected by the upgrade due to optimizer changes from 8i to 10g
- Analyze & resolve problems experienced in installation, development, test & production environments
- Performance tuning (tkprof & statspack)
- Writing Windows scripts for automating database refreshes in development & test environments
- Configuring database & OS alerts using Quest Spotlight & OEM
- Standby database configuration, testing & DR setup
- Enforcing security through implementation of Oracle Security patches
- RMAN setup, configuration & administration
- Writing RMAN scripts for database backup & restore scenarios
- Implemented a RMAN disk backup strategy along with appropriate tape backups & retention policies
- RMAN database duplication
Oracle Database Administrator
Bahrain Telecommunications Company (BATELCO)
11.2002 - 09.2009
- Design, build and test databases
- Administer and support 24x7 large-scale databases, some upto 2TB in size
- Analyze & resolve problems experienced in installation, development, test & production environments
- Providing Lead DBA support & expertise to various IT projects across the organization
- SQL performance tuning (tkprof & statspack)
- Partitioning
- Maintaining change control procedures
- Database patching, cloning, migration & upgrades
- Enforcing security through auditing, listener configuration & Oracle Security patches
- Writing various SQL & Unix scripts for database monitoring & daily health checks
- Capacity planning, DR configuration & testing
- Installation & configuration of Oracle AS10g (standalone) for Java based application deployment
- Job configuration/scheduling through dbms_job & cron
- Extensive use of export/import & materialized views to maintain data across systems
- Oracle Net configuration (Oracle Names & sqlnet setup)
- Database cloning using EMC mirroring & deduplication technology
- RMAN setup, scripting, configuration & administration
- RMAN database duplication
- OEM 10g Grid Control setup, configuration & administration
Database Administrator
Central Informatics Organisation
01.2000 - 10.2002
- Database Administrator for the Central Population Register (CPR) system. The databanks are based on Oracle.
- Successfully designed and implemented a backup strategy for the CPR system, which involves both, logical and offline backups on a weekly/ monthly basis. The logical backup uses the Oracle Export utility while the offline backups are done using VERITAS Backup Exec software
- Designed, tested and implemented recovery procedures which have been successfully used in the production environment
- Designed and set up web pages for online RFI processes for a National Smartcard as part of the E-government initiative for the Kingdom
- Achieved Image transformation using Oracle interMedia overcoming major issues with back level image formats for TIFF
Education
Oracle 11g Certified Database Administrator -
Oracle University
Oracle 9i Certified Database Administrator -
Oracle University
Oracle 8i Certified Database Administrator -
Oracle University
Bachelor of Commerce (Computer Applications) -
University of Mumbai
Skills
- Database policymaking
- Database architecture
- Linux operating system
Timeline
Senior Oracle DBA
Close Brothers Ltd.
10.2014 - 09.2023
Oracle DBA
General Dynamics IT (GDIT)
01.2013 - 10.2014
Oracle Database Administrator
Engage Mutual Assurance
01.2010 - 10.2011
Oracle Database Administrator
Bahrain Telecommunications Company (BATELCO)
11.2002 - 09.2009
Database Administrator
Central Informatics Organisation
01.2000 - 10.2002
Oracle 11g Certified Database Administrator -
Oracle University
Oracle 9i Certified Database Administrator -
Oracle University
Oracle 8i Certified Database Administrator -
Oracle University
Bachelor of Commerce (Computer Applications) -
University of Mumbai
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