Summary
Overview
Work history
Education
Skills
Timeline
SoftwareEngineer

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
Lynn Pereira