Oracle Consultant & Trainer
||Edwin is an Oracle certified
RAC expert with over two decades of database management experience
and many years of progressive experience in RAC. Edwin offers a
broad range of experience including Oracle eBusiness Suite DBA and
he is expert in UNIX/Linux shell scripting and Apex, PL/SQL and C
· 20 years experience in System and Data Architecture
and Systems Integration, Database Administration - Oracle RDBMS RAC 11g, 10g
(OCA certified), 9 ; Oracle Applications Server 11; Informix, Sybase and MS
SQL Server, MySQL; implementation of database health-check, upgrades and
performance tuning; OC4J java, active/passive clusters, SSO, http servers .
· 7 years advanced in-depth RAC expertise.
· 15 years experience in replicated and distributed
databases, RMAN/Legato/Veritas/Omni backup; design and implementation of
data recovery centers, capacity planning, standby databases, and database
· 15 years experience in advanced UNIX and Database Systems
monitoring and tuning using OEM Grid Control; implemented customized
solutions and system monitoring tools
· 10 years total experience in development and
design of complex systems including data modeling using thousands of
database tables using Oracle tools - PL/SQL, PRO*C (6 years), SQL*Forms,
Apex in Financial, Banking, Pharmaceutical, Telecommunication, Internet,
Manufacturing, Education, Government and Other Industry sectors.
· 9 years experience in UNIX/LINUX systems
administration and installation.
· 8 years experience in Data Modeling.
· 6 years experience in Data Warehousing.
· 5 years experience in Oracle Applications eBusiness
· Updated System Architecture and tuned the database
and application which successfully improved a query time from 8 hours and 4
minutes to 1.1 seconds using the same hardware. Similar improvements could
be observed across other queries in this system, which allowed UNICA to
implement significant savings on potentially required hardware upgrade and
improve the user’s experience.
· Working for Oracle Corporation Global Consulting
Division designed System Architecture changes decreasing the cost of
required hardware by millions of dollars, resolved difficult performance
tuning cases achieving up to 100 times faster processing. Prepared an
internal training presentation for Oracle Corporation listing all steps
required to stabilize Oracle RAC systems on Linux that was delivered to over
100 Oracle consultants. This
presentation became a standard for other consultants to resolve problems at
multiple clients’ locations. I provided hands-on, in- depth training to
clients in the use of Oracle tools including RAC, OEM Grid Control and
Oracle Application Server.
· Working as independent consultant for UPS I supported
development of System and Data Architecture for new MRC system loading data
for all UPS parcels in parallel processing (20 million rows per hour),
maintenance of 10TB Data Warehouse, implemented UNIX and Oracle standards,
performance improvements increasing server throughput by 200%, worked on
conversion of Data Warehouse Star Schema reports from proprietary system to
Siebel Analytics, updated RMAN/Legato enterprise level backup architecture
fixing stability problems, improvement of I/O configuration in EMC DLX
· Working for Yahoo/HotJobs supported 13 million
concurrent users, improved database performance with up to 100 hits per
second for internet applications, supported Yahoo proprietary database
running parallel processing in matrix of 4x4 BSD servers, network pipes,
designed and implemented systems monitoring and High Availability System
Architecture using customized standby database to fail over between East and
West Coast data centers. Significant savings were achieved by using 20
parallel data transfers connections using regular Internet, versus dedicated
November 2009 – Current:
Innstallation and support of support RAC 11.2
Data Guard, Streams and OEM Grid control 11.2, Data
Modeling - Embarcadero.
April 2009 – November 2009:
for Mitsubishi worked on System Architecture to support SAP manufacturing
installation and tuning of Oracle RDBMS 11/10 and RAC for HR Block,
providing system health check, RMAN backup configuration, optimized data
loads, implemented Oracle best practice for system configuration and
database optimization, RMAN,
Data Guard, Standby Server, Oracle Applications, Application and Data
Architecture. Implemented changes in system architecture for UNICA improving
query performance from 8 hours to 1.1 sec.
May 2005 – April 2009:
Senior Principal Consultant - Oracle
Corporation Global Consulting
Clients included fortune 500 enterprises such as
Verizon and Verizon Wireless, Aventis, Harris, Schwab, LDS church, Bayer,
EMC Corporation, NFL, Lexmark, Marriott, Pearson Education, Barnes and
Nobel, Dunn and Bradstreet, Lexmark, and Paychex.
Resolved many critical Oracle database and
UNIX/Linux/Windows system problems. Consistently rated as belonging to top
1% of Oracle Corporation consultants in yearly reviews. Frequently asked to
return to previous clients supporting new projects. Specialized in System
Architecture, installation, tuning and recovery of RAC (Sun Solaris, Linux,
HP, AIX), RDBMS, Data Guard, Applications and RMAN Backup Systems, Data
Encryption, HA. Designed and implemented updates to existing System
Architecture, delivered training and documentation in areas of Database,
Performance Tuning and Database Consolidation. Deployed large installations
of OEM Grid Control, Data Guard, Data Replication, and Oracle Application
Server. Tuned Oracle Applications, assisted in People Soft software upgrade
and tuning. Implemented database health check reviews at many critical
Oracle accounts improving database performance, stability and manageability.
Implemented Oracle best practice in database management, benchmarked
database systems to meet and exceed client requirements. Oracle global
consulting would charge for my time up to $380/hr. You can now achieve the
same results for a small fraction of this cost. OCA Oracle certified.
Feb 2005 – May
Independent Consultant – Worked for multiple Customers
supporting Oracle databases.
Applications 11.5.10 multi and single node, cloning, ADI, 10G Grid
monitoring, setup Rman/Veritas Netbackup backup and recovery, Kintana/Mercury,
disaster recovery, standby database, patches, applications support,
resolution of problems, Linux and AIX system administration. Design and
setup Project Web pages to centralize access to all information,
implementations of SQL Server
and Oracle databases.
Senior DBA - 10G/OC4J, Oracle Financials 11i
Jul. 2004 – Feb 2005
Supported RAC RDBMS, Production Architecture
for 10G /9i Application server, installations, maintenance, upgrades, LDAP
ODI security, customized reporting system, OC4J java software releases,
performance tuning, Enterprise Manager 10G Grid monitoring (Linux, HP,
Database, Oracle Applications, HTTP servers, Web Cache). Improved batch job
performance from 7 days run time to 2 hours. Resolved performance problems
that Oracle support could not fix for 6 months.
Architect, DBA Aug. 2003 - Jul. 2004
Supporting UPS 10TB Data Warehouse (HP Superdome). Conversion of proprietary
reporting system to Siebel Analytics – required performance fixes.
Implemented new procedures for software development cutting new release time
by 2 months, improving system performance-load 20 million rows in 1 hour, a
200% improvement. Created Star Schema data models, defragmented databases
removing row chaining, implemented composite data partitioning schema using
range/list sub-partition improving performance and decreasing maintenance by
implementation of templates, automated changes to new production release,
worked on upgrade from Oracle 8 to 9, fixed Enterprise level RMAN backup
that protects data for 50 production servers, tripled HP Superdome
performance (HP showcase for UNIX tuning)
Senior DBA Jul. 2002 -
Supported operations of Yahoo/HotJobs.com implementing
high availability 24 x 7 environment, Veritas Cluster, performance
improvements, 9.0 database upgrades, backup and recovery, server clusters,
web development/administration, standby database, Oracle Financials,
Application Server 9i, version control. Customized database running in 4x4
BSD servers matrix. Created Data Disaster Recovery Center in Washington D.C.
replicating data in real time from over 40 servers from California. Improved
query performance in critical HotJobs application area. Replicated and
managed Oracle, MySQL, Thunderstone, Alta Vista databases. Implemented
Netcool monitoring of database operations to decrease maintenance cost.
Created and redesigned data model for HotJobs application using Erwin. Fixed
critical production database errors, recovered databases from crash,
implemented improvements to database operation procedures, upgraded
databases from version 8i to 9i, created database standards, java deployment
Mar 2002 - Jul.
Senior Architect, DBA, UNIX Administrator and Data Modeler
Managing orders for high bandwidth cable connection. System and
Architecture documentation Developed data conversion from SQL Server to
Oracle environment. Created physical and logical data model, design and
Senior DBA Team
Leader Mar. 2001 - Mar. 2002
Managed a team of 3 DBA’s for supporting 2 large production systems –
Oracle Financials 11i and Remedy – with 900 users. Developed System
Architecture and Data Models to support marketing system and data exchange
between systems. Implemented in two weeks Oracle Financials upgrade from A
to F level that the company could not implement in previous 6 months. In 4
weeks implemented Remedy upgrade that could not be installed by Remedy
administrators during previous 12 months. In the process improved system
performance by 30 times. Recovered crashed production databases. Created
Backup and Recovery strategy, RMAN scripts, Data models, implemented OEM.
Provided problem resolution – Application and Client software (ADI, SQL*Net,
ODBC). Developed procedures to support HR, AP, AR, GL, Implemented version
Senior System Architect, Oracle DBA, Data
Modeler, System Administrator
Worked as consultant on the
most strategic projects for Data Warehouse, Telecommunication, Integrations
and Software Development Practice.
Listed below are highlights
from some of Business Edge projects:
Working for AT&T implemented
performance improvements for AT&T’s CRM database increasing database writes
from 600 B/s to 2GB’s for systems with up to 5000 users. Provided Veritas
installation training for newly hired UNIX administrator. Implemented RMAN,
OEM. Support for 5 24 x 7 large OTLP databases used by AT&T through WEB
Supporting Prudential prepared System Architecture Design
and Documentation, Data Model and detailed design for system providing
internet access to insurance policies for Prudential agents utilizing Java,
JDBC XML, Rational Rose, Sybase, and Oracle Designer.
System Integration and Architecture, Application design for Schering-Plough
HARDWARE AND SOFTWARE:
Warehouse for CompuServe and
Simon & Schuster - created
System and Data Architecture, Design and Star Schema Data Model for
CompuServe 2 TB data warehouse using Oracle, HP-UX and EMC for Worldwide
System Networks delivering working software on schedule, exceeding required
performance by 2 times and limiting pre-production software fixes to 2 days.
Created coding standards to support high quality of coding. Managed 4
programmers working on the full project cycle.
Working for SNET
designed System Architecture for EDI (Electronic Data Interchange) for Order
Entry data exchange in the telecommunication industry, system and setup of
development environment, Rational Rose modeling.
AT&T - Senior
System Architect and DBA -Independent Contract Jun. 1993 - Dec. 1994
System and Data Architecture for AT&T Data Warehouse including design,
updates and database administration using 9 Oracle database servers
containing over 100 GB of distributed databases supporting 160 users and 7
programmers. Developed operational procedures.
OS: HP-UX 11i/11,
Red Hat Linux Enterprise 3,4,5, Solaris 2.9 - 2.51, AIX, BSD, NCR UNIX, AT&T
UNIX, Windows XP, 2000, NT, 9.x, VAX VMS
Software: RAC 11/10/9.
Oracle 11/10/9/8/7/6, Data Guard, OEM Grid Control, Oracle Applications
11i/11, Oracle Application Server 10G/9i, Microsoft SQL Server, DB2, Kintana/Mercury,
OC4J, Remedy 4.5, Rational Rose, RAC/OPS Parallel Server, EM 18.104.22.168