OBJECTIVE
In search of a Sr Oracle production DBA / Architect, Director, Sr IT
manager or a VP position with a progressive top quality organization to
apply my Sr Oracle DBA experience and valuable Sr Level IT skills in order
to become an asset for the company. I am caring, have a passion for IT,
very much enjoy working and have great leadership qualities.
EDUCATION
U.S. International University, San Diego, California
MBA, Strategic IT /Project Management
B.S., Management Information Systems
Oracle certifications, UCSD, San Diego, California
Linux RedHat flavors and Unix Flavors - Classes, Certifications and
Training
Oracle OCP certification, Oracle advanced tuning classes, Oracle RAC
classes, MCSE classes, Informix DBA certification, Informix Internal
Architecture course, Informix Replication, Informix OLTP/DSS and OLAP
systems. Oracle, MySQL, Sybase, DB2, SAP, Peoplesoft classes and Oracle OCP
classes.
Technical Summary
Sr. Oracle DBA, Oracle 6x, 7x, 8x, 9i, 10G and 11G, RAC, Physical and
Logical standbys, Dataguard, Streams Replication, Materialized Views
(snapshots), Goldengate, OEM, Grid Control, ASM, DBCA, DBArtisan,
SQL*Loader, PL/SQL, PeopleSoft environments and SAP, OID, LDAP,
TNSnames.ora, init.ora and spfiles, v$ and gv$ dictionary views, 10g and
11g Data Pump, Export, Import, Stored Procedures, Applying Oracle Patches,
Metalink Support Tickets, Upgrading, TOAD, OLTP and DSS, SQL*Plus, SQL
Query execution plans, Tracing, STATSPACK, DBMS_STATS, ADDM, AWR, TKPROF,
UTLESTAT, UTLBSTAT, ORAPWD, Remedy Change Management Process, Erwin, UNIX
SCO, HP, AIX, SUN, Dynix, Linux, RedHat 3,4,5, RAID and SAN Arrays, Unix
shell programming, Perl, Physical & Logical design, Backup and restores,
Reverse Migrations, Refreshes, Dev, QA, UAT and Prod, SOX guide lines and
security setups, Oracle Roles setups, database monitoring with shell
scripts, Disaster Recovery, Data Warehousing, Performance Tuning, RMAN,
Capacity Planning, LOCAL & GLOBAL indexing, Hot and Cold backups, user
PROFILES and Oracle database security, CLOB and BLOB column types, Text
indexes, Creating report only databases using dataguard, familiarity with
new Active Dataguard, C/C++, TCP/IP, DNS, ISP, JAVA Script, FTP, Windows
95/98/NT, MS DOS, PHP, Visual Basic, IBM Sequent servers, Pentium based
machines, Working with various technical and non technical business
professionals providing cutting edge valuable solutions. Sharp and
accurate in troubleshooting issues fast. Capable of multi dimensional
thinking. Naturally forward thinking. Caring attitude, have a passion for
Information Technology and quite enjoy work.
Professional Summary
. 22+ years of extensive experience as Sr.Oracle production DBA on LINUX,
SUN, AIX, HP etc. and 24/7 support
. Extensive experience in installations, configurations, migrations,
upgrades with Oracle 6,7x,8I,9i,10g and 11g.
. Extensive experience in increasing performance from 10%-30% by tuning
init parameters and memory.
. Extensive experience in High Availability solutions and decreasing
production downtimes.
. Extensive experience in database refreshes, database moves, and database
cloning.
. Extensive experience in capacity planning, ASM, SQL Query plans,
contention issues and troubleshooting.
. Extensive experience in disaster recovery, backups and restores and
preventing data corruption.
. Extensive experience in locking issues, long running query issues and
distributed transaction issues.
. Extensive experience in Shell scripting, database monitoring, and server
monitoring for database health checks.
. Extensive experience in physical database design and logical database
design.
. Extensive experience in replication, stand alone instances and RAC multi-
nodes environments.
. Extensive experience in OLTP/DSS configurations, database growth and load
balancing of resources.
. Extensive experience in SGA, PGA, RMAN, DBMS_STATS, PL/SQL, OID, SQLPlus,
OEM Grid etc.
. Extensive experience in implementing mission critical databases and
architecture with scalability.
. Extensive experience in building, maintaining and maximizing IT
partnerships across organizations.
. Extensive experience in implementing database security, patching,
granting access and revoking when needed.
. Extensive experience in SDLC, Change Management, Ticketing processes and
corporate SLA's and compliance.
. Extensive experience in preventing production downtimes in mission
critical databases.
. Extensive experience in locating database problems and resolving them
fast and carefully.
. Extensive experience in database support for DEV, QA, UAT and PROD
systems.
. Extensive experience in coaching developers, testers and QA personnel on
code migrations to production.
. 10 + years of practicing meditation; Hatha Yoga and Vipassana Bhawana.
Professional Experience
CNN
Atlanta, GA
Sr. Oracle DBA
Jan 2005 to Present
. Created mission critical RAC Cluster and stand alone DB environments on
latest Linux RHEL versions.
. Installed Oracle software; 9i, 10g and 11g on various machines.
. Worked with various online mission critical applications providing 24/7
oncall production database support.
. Resolved ASM related issues many times using ASMCMD.
. Worked with various SAN storage admins to support storage maintenance
activities and I/O related work.
. Supported various server migrations, database migrations, moves and re-
orgs.
. Participated in various critical Oracle production database related
meetings.
. Worked with both Cost and Rule based optimizer modes in Oracle database
instances.
. Managed capacity planning for Oracle instances and advised the company
accordingly.
. Collaborated with Oracle support and Metalink for software delivery,
knowledge base, and Sev1 cases.
. Implemented 200 snapshots on a separate instance to use it as a reporting
server minimizing load on production.
. Tuned INIT.ORA and/or SPFILE parameters as needed.
. Restored / Refreshed downstream Oracle database instances for various
DEV, QA, and UAT purposes.
. Played a role as highly mission critical DBA for several bread and
butter applications for the company.
. Created backup strategies to protect company data at zero data loss at
any given point in time.
. Advised worked together with developers in designing good database
security structures to comply with SOX.
. Optimized queries for higher performance from minutes to seconds to
milliseconds to nanoseconds.
. Worked with sys admins for better and faster SAN purchases and proper
allocations of luns to maximize throughput - Raid strategies.
. Participated in various code migrations on daily or weekly basis into
production via Change Control process.
. Implemented a 3 node 10.2.0.3 RAC system, and upgraded it to 11.2.0.3, on
ASM disks - RedHat Linux.
. Worked closely with app/dev teams to resolve post database refresh needs
and changes.
. Implemented table level streams for a subset of tables using table level
streams method.
. Used datapump, exp and imp, materialized views, data guard, rman, sql
loader on RedHat Linux OS.
. Managed a database with 60 partitioned tables which was setup to act as a
mini data warehouse.
. Supported OLTP Oracle databases which supported CNN on-air applications
and movie databases.
. Made sure update stats ran without failures on regular basis for OLTP
instances
. Created and hung shell scripts on crontab for monitoring db instances for
various activities.
. Set up Disaster Recovery / failover using physical standby databases
for mission critical Oracle instances.
. Recommended best database practices, best security protocols, best
Oracle versions, and best DR strategies.
. Maintained and closely worked on production databases and servers for
maximum availability and protection.
. Voted for scalable solutions at all times preserving high quality of the
business and customer satisfaction.
. Housed databases on Cooked files as well as raw devices (ASM storage).
. Helped, mentored, and guided various developers, power users, junior
level dbas and IT security personnel.
. Provided data growth analytics and trends so we knew which areas of the
business
. Patched Oracle databases and OS on regular basis.
. Upgraded Oracle RDBMS from 10g to 11g. Installed Oracle 12c for
prototyping and testing.
. Supported Oracle databases in Peoplesoft and hyperion environments
including a data guard setup for DNS.
. Always focused that my DBA services to the company was in the highest
quality.
. Increased quality, performance, uptime, security, compliance of CNN
oracle databases by about 15% - 30%.
InterCall
Atlanta, GA
Oracle DBA + Informix + MySql / Team Lead
December 2002 to Jan 2005
. Root level access and Oracle access to all production, dev and test
database servers
. Administered an OLTP environment with 300,000 + transactions per day
(200+ transactions per minute)
. Created Oracle objects such as; databases, tables, indexes, columns,
views and triggers
. Tested Oracle 10G, regression testing prior to production implementation
for a 900GB oracle DB
. Added data files when needed in a 800 GB - 1TB Oracle 9i OLTP environment
. Tuned SGA and flushed shared pool (when flushing shared pool 3
consecutive iterations recommended)
. Researched Metalink for corruption issues, performance issues, bug
reports, security issues etc.
. Created TARs for Oracle support cases and used change management process
to deploy code in production dbs
. Tuned INIT.ORA parameters and SPFILE parameters. Set up TNSNAMES,
LISTENERS and created users
. Increased Oracle open file parameter. Monitored CPU, Memory, tablepsace
and datafile usages.
. Monitored the alert log for database warnings, errors, locking issues
etc. and for health check purposes
. Granted privileges to users and created schema owners. Ran Hot backups
and Cold backups regularly.
. Recovered space by re-orging datafiles and tablespaces. Managed 9iRAC
environment on single node.
. Optimized queries for performance and ran SQL explain plans for review
and recommendations
. Recommended choose base optimizer or ruled based optimizer as necessary.
. Normalized / de-normalized schemas and architecture designs as needed
. Implemented data warehouses using FACT and DIMENSION tables and Star
Schemas
. Worked closely with data warehouse developers to resolve I/O issues,
MEMORY and SQL tuning.
. Implemented RANGE partitioning for huge tables with 200 million rows.
Rebuilt corrupted INDEXES.
. Implemented 3 node RAC using 9.2.0.2 and upgraded to 9.2.0.6 - Cooked
file system (not raw devices).
. Tuned SHARED_POOL_SIZE, DB_CACHE_SIZE, JAVA_POOL_SIZE etc., and KERNEL
parameters
. Backed up databases using RMAN. Resynched CATALOG as needed.
. Worked with dictionary views: V$SGASTAT, V$SQL, DBA_OBJECT,
DBA_DATA_FILE, IO_PER_OBJECT etc
. Restored Oracle 800GB production database 2 times using RMAN and Veritas
NetBackup with 16 channels.
. Worked with app teams on PL/SQL, Query plans, complex joins, and
optimizing queries
. Documented disaster recovery plans. Provided 24/7 production DBA support
with oncall routine
. Implemented STATSPACK for performance monitoring, altered LOG_BUFFER,
monitored latch contentions
. Ran DBMS_STATS as necessary. Analyzed tables as necessary. Recommended
CBO / RBO when necessary.
. Tweaked procedures and packages. Tracked errors when compiling. I am a
command line DBA.
. Advised developers to use trace to identify code issues, created User
PROFILES. Managed db security.
. Recommended using materialized views to replace complex joins and faster
data retrievals
. Created and maintained new instances in testing, development and in
production environments.
. Analyzed database trace files to investigate oracle instance issues.
Mentored junior DBAs.
. Used SQL*Plus always. Used sqlloader and export / import utility. Used
OEM to double check work performed
. Exported and Imported tables, databases for various needs such as for
purging, migration, and recovery.
. Configured OID/LDAP entries, tnsnames, listeners, sqlnet.ora and data
guard on 10g databases.
. Used locally managed tablespaces, dictionary managed tablespaces, and
UNDO manual and automatic
. My dynamic, thorough, persistent and high quality Sr. Oracle DBA
knowledge and my support helped company save money in various occasions
when making IT related spending.
. Scheduled Oracle database maintenance downtimes strategically with the
users and application owners.
. Supported Oracle databases with financial related applications that
generated various critical reports for the business.
SPRINT CORPORATION
World Head Quarters, Overland Park, KS
Oracle Database Administrator
October 1998 to November 2002
. Managed 12 Oracle servers occupied with mission critical databases and
huge tables on 24/7 oncall routine.
. Managed 4 Oracle DATA MARTS from 100 - 150GB both in stand alone and RAC.
. Supported 10 major telephone industry applications with OLTP and DSS
architecture.
. Migrated tables with 100 - 200 million rows across instances, serves and
databases.
. Updated, purged, loaded, unloaded databases amounting to 200 - 1200 in
gigs.
. Altered, modified, dropped, created database objects daily on a 24 X 7
production and testing environment.
. Monitored performance and tuned init.ora parameters. Increased
performance by 10 - 30 % at times.
. Tuned OLTP and DSS type queries, ran sql explain plans for developers,
and reorganized indexes.
. Moved db objects, datafiles and tablespaces to less contentions disk
drives.
. Monitored tablespace IO status to determine bottlenecks. Created LOCAL
and GLOBAL indexes.
. Used SQLPLUS, OEM, DBA STUDIO, and TOAD as necessary.
. Tuned SGA, library cash and shared pool memory. Worked with V$SGASTATS
and V$PGASTATS
. Dealt with Inconsistency issues and block level corruption. Generated
TKPROF, UTLESTAT, TBLESTAT reports
. Backup dbs using RMAN and Veritas NetBackup. Ran Hot backups regularly.
Took Cold backups when needed.
. Analyzed tables, optimized queries and supported development on using
cost base optimizer.
. Exported and imported tables and database across database servers.
. Resolved distributed transaction issues. Diagnosed problems with Oracle
trace.
. Restored development and test databases with production copies for
developers' work.
. Restored a 1 terabyte production server once during a 12 month period due
to corruption.
. Dealt with various Oracle views; V$SYSSTAT, V$WAITSTAT, V$SESSION,
V$PROCESS, DBA_DATA_FILE etc.
. Used SQL*Loader, Export and Import whenever necessary and used password
file authentication ORAPWD
. Tuned I/O intensive code to improve performance and participated in
architecture and design meetings.
. Rebuilt / re-organized indexes and moved tablespaces to less contentious
disk drives.
. Implemented optimizer selections, CBO or RBO optimizer where suitable.
. Increased performance or quality of Sprint dbs by about 15%, which is
outstanding for the amount dbs in place.
United states department of labor
Washington, DC
Oracle Database Administrator
December 1996 to September 1998
. Managed 17 Oracle databases, OLTP 8i with 100GB - 700GB of data.
. Managed production tables with 100 - 300 million rows with portioned
layers.
. Optimized PL/SQL code. Ran ESTATS and BSTATS for review and correction.
. Created, configured and initialized new Oracle and Informix database
instances when needed.
. Monitored and allocated sharedmemory, space as needed and managed
replicated servers.
. Migrated database copies from one server to another almost on daily basis
for developers.
. Dealt with blob issues checkpoint issues, optimization, and CPUVP
allocations.
. Created new tablespaces, added datafiles and resolved disk contention
issues.
. Granted/revoked permissions to/from dbas and users. Enforced usage of
roles.
. Tuned Queries, Oracle and Informix Parameters and developed table
partitioning strategies.
. Implemented changes to production databases via Change Control Processes.
. Designed new databases, tables, indexes, and automated processes using
Unix scripts.
. Resolved inconsistency issues, shared memory issues, long transactions,
locking issues and deadlocks.
. Fixed corrupted pages, corrupted indexes, and monitored alert logs, and
online logs for error messages.
. Built, Managed ETL processes and designed warehousing projects on DSS
systems.
. Assured daily backups and archiving were done accurately and consistently
using RMAN, ontape and onbar
. Restored Oracle and Informix instances when all other options of disaster
recovery had failed.
. Created shell scripts for monitoring all United States Dept. of Labor's
db engines located around the country.
. Assured load balancing, monitored disk I/O statistics, chunk I/O
statistics read/write ratios and fixed problems.
. Increased Production across OLTP systems by 25% by reconfiguring init.ora
and Informix parameters.
California Marketing Corp
San Diego, California
Oracle Database Administrator
January 1993 to November 1996
. Root level access to the database servers.
. Tuned, monitored and managed very large databases ranging from 100GB to
600GB.
. Installed Oracle7 and 8, created instances and databases on SUN UNIX
A1000s.
. Used DDL and DML (data definition language and data manipulation
language) queries as needed.
. Monitored alert logs, daily backups, transaction logs and usage of shared
memory allocations.
. Tuned cache hit ratios to be above 90% or better. Monitored SGA and
Library cache.
. Performance tuning using TKPROF, UTLBSTAT, UTLESTAT to generate reports
and sql explain plans.
. Implemented backup/restore strategies, procedures and database security.
. Granted permissions to end users according to their level of access to
database objects.
. Implemented partitioning / fragmentation strategies for large tables with
150- 200 million rows.
. Created/altered databases, table extents, indexes, constraints, and
schemas as necessary.
. Shrinked or extended datafiles when needed for space management.
. Ran all system level commands for health checks; sar, top, vmstat,
mpstat, prstats, iostat -xne, ipcs etc.
. Mentored junior dbas and supervised their work for accuracy and
improvement.
. Worked on DSS systems and OLTP systems simultaneously.
. Tuned SGA related parameters; DB_BLOCK_BUFFER, SHARED_POOL_SIZE,
LOG_BUFFER etc.
. Set up and used Multi Threaded server (MTS), dispatchers.
. Examined dynamic performance views; V$SYSSTAT, V$WAITSTAT, V$ROLLSTAT,
V$SESTAT, V$LOCK etc.
. Used DBMS utilities for analyzing large tables and partitions.
. Set up LISTENER.ORA, TNSNAMES.ORA, INIT.ORA, Network Configuration
Assistant etc.
. Researched METALINK for various cases and worked with Oracle supported
extensively
. Administered Oracle databases using SQL*Plus, Unix, and double checked
work with OEM
. Backed up and Restored databases using RMAN with SQL Backtrack.
. Developed shell scripts to backup and restore Oracle databases (hot, cold
and archive only).
. Loaded and unloaded data sitting in fixed width and comma delimited files
into or off tables whenever and wherever needed (created load files or
converted entire fixed width files into comma delimited files using MS
excel to accomplish the task. Worked overnight periodically to load and
unload data)
. Interacted with users for database and application issues on daily basis.
. Monitored disk space utilization and added or freed data files
accordingly.
. Changed or allowed directory/file level permissions as ROOT to junior
dbas and super users as needed.
. Resolved issues such as; distributed transactions, Long Transactions,
Locking and run-away processes.
. My meticulous routine maintenance and fine tuning of Oracle database
servers increased production significantly.
Mortgage Partners
San Diego, California
Oracle Database Administrator / Team Manager
August 1989 to December 1992
. Main point of contact for all Database issues in a highly mission
critical database environment.
. Installed, patched and tested Oracle many times.
. Exported and imported databases frequently into the dev and test
environments and for archiving purposes.
. Created instances, databases, schemas, tables, indexes and executed SQL
queries as necessary.
. Developed fragmentation in RANGE and HASH modes for large tables to avoid
full table scanning.
. Calculated growth and allocated space accordingly.
. Served as Security, User Administrator. Granted and revoked permissions
on database objects.
. Enhanced, maintained, developed and supported new and existing Oracle
databases.
. Maintained database server level tuning. Supported 24/7 oncall and
developed documentation.
. Monitored Busy Statistics, Alert log contents and uses, data dictionary
views for tracking performance.
. Executed cron jobs and monitored cron job logs for errors and fixing.
. Performed archiving regularly and maintained backup tapes.
. Developed a defect prevention process including but not limited to root
cause analysis and corrective action.
. Data warehousing with facts tables, dimension tables and helped modeling
and architecture designs.
. Controlled all databases with high alertness to ensure peek performance,
stability and reliability and availability.
. Assisted developers with SQL code troubleshooting. Tweaked applications,
procedures, SQL when necessary.
. Resolved locking issues, inconsistencies and assisted in batch processes.
. Increased performance, availability and security of production databases
and servers by 22%.
US citizen, available now.