Professional Experience
BuzzClan – Engineered Systems Architect Apr 2012 – Till Date
Some of the activities / responsibilities include:
· Working with various clients to Design, Architect and
manage the BI and Oracle Private Cloud landscape.
· Data Warehouse Security using ODV (Database Vault), Data
Masking, Label Security, Policy Manager.
· Design Complex Infrastructure solutions for multiple
clients using Oracle Product Stack (Linux/Solaris, Database, and Fusion
Middleware).
· Extensive experience in implementing Exalogic, Exadata
&, Exalytics ODA and Big Data
appliance based solutions.
· Integrated Exalogic/Exalytics/BDA’s with Exadata over
Infiniband/SDP and gridlink datasource over ExaBus
· Upgrades, Patching of various appliances
· Architected and implemented MAA for Appliances
(DR/clustering/backup)
· Maintained OCS/ACS delivered appliance RunBooks during
product lifecycle, patches and upgrades
· Configuration, Tuning and general upkeep of the BDA
environment
· Installed and configured Big Data Appliance X5-2
· Configured Big Data Appliance Starter Rack with
Cloudera’s (CDH) • Cloudera Search • Apache HBase • Oracle R, Enterprise
Manager Pug-in • Connectors for R, Hadoop, ODI.
· Architect and Consultant for highly available Clustered
solutions using Oracle Fusion Middleware products.
· Actively involved in Reviews, analyses, and evaluation
of Oracle Database, Fusion Middleware, Cloud Application Foundation (CAF)
& Identity Management.
· Developed and established best practices and Standard
Operating Procedures for Systems Administrators and Database Administrators
in the use of these environments.
· Data migration from various databases and flat file
systems into Oracle DB (11g/12c)
· Design and implement Backup and recovery strategies for
all layers (Systems, databases & applications) using GoldenGate, Data
Guard, ExaBR.
· Implemented substantial performance tuning efforts for
different applications.
· Implementation of SSO across PeopleSoft/OBIEE/Exalytics
implementation. Configure OIM
self-service(Access/Requests/Tasks/roles), Policy
administration(workflows/Approvals/Access/Password/Attestation), Forms,
Connectors(Google Apps/LDAP/AD)
Clients:
·
RedRiver:
Moved whole DW to TimesTen.
Configured TimesTen to load DW from Oracle DB using TTImport. Managed
changes to the DW to accommodate TT limitations. Improved Reports
performance from 5+ minutes to sub second.
·
Cast
& Crew: Configure, Upgrade and
maintain BI Publisher implementation for the company.
·
Federal
Reserve Board: Exalytics/TT/BI Apps(HRMS)
optimization and Summary Advisor implementation. PS4 to PS5 patching.
Conversion of DW from Oracle 11g to Oracle 12c to benefit from the 12c
in-Memory function. Brought the whole DW into Exalytics In-Memory footprint
for improved throughput using Database Upgrade Assistant(DBUA).
·
City
& County of San Francisco: Exadata/Exalogic
Disaster Recovery (DR) processes, procedures and scripts. Monitoring and
analyze Exalogic/Exadata items in OEM that will provide alert and analysis
information. Operational support of the Exadata/Exalogic systems and
applications.
·
Department
of Education: Improve Data and database
security at rest and during transfer of information. Analyze current state,
and design and develop a set of controls working with the DB and
Application administrators and provide ongoing support and information
during the process analyzed and implemented for various applications.
Reviewed the applications, and designed the security solutions specific to
each solution.
o
Database
Vault
o
Audit
Vault/Firewall
o
Label
Security
o
Data
Masking
3 Grid Environments for
Dev/QA/Production. Analyzed 24 applications including ERP and in-house
developed applications. Analyzed 24 applications including ERP and in-house
developed applications to comply with NERC/CIP-003/007/009. Reviewed Oracle
Identity Management implementation.
·
State of
WI – Star ERP Project –Architected
a centralized DW for the State of WI’s centralized PeopleSoft
implementation. Exalytics patching with OBIEE, EPM, Essbase,
BI Apps (Peoplesoft finance/HR). ODI, DAC, Upgrade to PSU4, convert to
virtualized system with separate VM’s for EPM/Essbase/OBIEE, and replicate
for Dev/Test/Prod/DR. Fusion Middleware, SOA, BPEL, Oracle Database/
Warehouse security implementation, monitoring and audits using Oracle Data
Vault, Oracle Label Security/Policy Manager. Implementation of SSO, OIM/OAM
across PeopleSoft/OBIEE/Exalytics implementation.
·
Praxair –
Optimize OBIEE and Essbase to
benefit from Exalytics platform. Discovery of current state, recommendations
to benefit from Exalytics, Summary Advisor, Move Aggregate data into
TimesTen, enhance Dashboards to use Go-Les Prompts, Auto Complete search,
trellis, dense charts. Virtualize Exalytics box to run multiple OBIEE
instances. Real time data integration, transactional change data capture,
replication across OLTP and OLAP and for DR implementation of warehouse,
TimesTen in memory database using GoldenGate.
·
Walgreens
– Migrate EBS implementation on
Exalogic clusters. Architect/Implement and Maintain – Backup and recovery,
Disaster Recovery, Instance Management, storage configuration,
Virtualization, code migration on 5 X3-2 ¼ racks. Implementation of SSO
across PeopleSoft/OBIEE/Exalytics implementation. Integration with Exadata
and Exalytics servers. Used 12c pre-built templates for deployment on
Oracle Linux 6, FMW 12c and JDL 7 r15 . Data Masking per HIPAA rules in
non-production env using Oracle Data Masking. Capacity planning for eBS
suite of application and middleware on Exalogic/Exadata. Migrated data base
from 11g to 12c. Security stack implementation using OAM/IDM/SSO/LDAP.
Provisioning of EBS and OBIEE using OAM.
·
Fidelity
Investments: Enterprise Architect.
Responsible for integrating client facing reporting applications on
Exadata/Exalytics. Infrastructure overview and architect, migration of
database 10g to 11g for the data warehouse. Security, Static Cache
Management. Consolidating various Middleware applications on the Exalogic
Server. Security integration between IAM/OIM, LDAP, SSO, SiteMinder. Custom
Authenticator configuration. Installed and configured multi Data-Center
Weblogic Clusters using BIG-IP, Web Cache Management using iPlanet,
OSB(Service Bus), Oracle Service Registry & Repository Administration.
Installed and configured Agents for EM 12c to control and monitor Exadata,
OBIEE and Weblogic components. Controlling access to sensitive data at
Row/Column level using Oracle Label Security, Oracle Policy Manager
·
Vertafore: Help
customers tackle BIG DATA. Designed and implemented complete database
migration plan. Mentor client BI team to integrated OBIEE suite in
companies’ product. Provided enhanced reporting across the Vertafore
product portfolio. Migration of SQL DB DW to Oracle Database 12c
multitenant PDB to facilitate multi agency implementation of the services.
Reviewed various upgrade related application level Client/Server
configurations.
·
Toshiba
American Medical Systems
-- Configuration of servers for improved throughput, and ease of migration,
startup and maintenance. HR Apps, security implementation with LDAP.
·
Liberty
Mutual: HR Analytics. Security review
and improvements, Talent Management. HR Apps, custom security implementation,
row level security based on the responsibility of the logged in user (EBS
Security) and the population type (custom implementation) of the Employee.
Installed Enterprise Manager Agents to monitor and configure OBIEE and
Weblogic. OBIEE implemented on top of Oracle EBS Suite.
·
OxFam
America: Implemented Noetix Views and
Noetix Analytics with OBIEE, BI Apps. User training.
·
USDA – RD: Overall review of BI architecture, setup OBIEE on Sun
Solaris Servers, Siteminder SSO implementation, Weblogic/Enterprise Manager
Environment: OBIEE 10.x / 11.1.5,
Exalytics, Exadata, Exalogic, Weblogic, BI Apps, DAC, Noetix, RCU
Repository Creation utility for various installers Oracle Fusion Middleware
applications, SOA/BPEL/BPM
Verizon
Technical Architect July 2008 – Apr 2012
Working on multiple BI/DW project involving
|
·
Financial
Systems
·
Supply
Chain
·
Human
Resources
·
Corporate
Real Estate
|
·
Billing/Receivable
Management
·
Green
Initiative Drive
·
Project
Costing
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OBIEE architect (OBIEE, EPM, BI Apps, ODI).
Some of the activities / responsibilities include:
·
OBIEE, BI
Apps using HR analytics, Financials, OCDM.
·
Integrated
data into Foundation layer of OCDM using ODI, Oracle DB, BRM adapter
·
Normalized
Account, Product/Package/Tariff, Carrier and Customer domains into OCDM
reference data model
·
Installation
& Configuration of Oracle Database (10g/11g). Migration of various SOA
applications from 10g to 11g.
·
Product
evaluation and POT with Exalogic. Purchase, Installation and configuration
of basic box.
·
Transition
of middle ware applications on Exalogic server.
·
Integration
of Reports and Dashboards on Web Center portal. Web Center Imaging used to
integrate AP/AR documents with the transactions. Classification,
Extraction, Verification and Matching of scanned documents.
·
Daily
support and faced a lot of challenges on SOA Suite(base - 10.1.3.1,
patch-10.1.3.4)
·
Experience
involves dealing with various data sources within the organization and to
collect the data into a single warehouse based on the cloud concept.
·
Multiple
Interfaces from data sources like Oracle, SQL server, Excel Files, Essbase
cubes etc using ODI and custom ADF code, and Oracle PLSQL.
·
Reports
from multiple sources like Oracle/MSSQL Server/Essbase. Drill through from
Essbase reports to detailed reports from Oracle source. Write back
implementation.
·
Data
movement workflow management using ADF/BPEL Process Manager, monitoring
using BAM. Data size upwards of 10 Terabytes.
·
Linux
environment, Oracle 11g RAC, Workspace/OBIEE/Shared Services integration,
Clustering of OBIEE servers, Tomcat/WebLogic/OC4J implementation and
configuration.
·
Critical
Patch Updates (CPU) using ADPATCH, OPatch.
Environment: OBIEE 11/10g (Seibel
Analytics), EPM 11 (Hyperion, Essbase), ODI (Oracle Data Integrator), SSAS,
Essbase, BEPL, ADF, Oracle 11g RAC, SQL Server, Linux, Tivoli TSM, BMC
Patrol, Weblogic, Exadata/Exalytics/Exalogic, RCU Repository Creation
utility for various installers., Oracle Fusion Middleware applications,
SOA/BPEL/BPM, MDM.
US BioServices
Software Consultant Aug 2007 – Apr 2008
Performance Enhancements – OSRx
Some of the activities / responsibilities include:
·
Working
with the IT team at the company to review and improve performance of the
application. OSRx application is being used at various pharmacies under
ABSG. It is a Windows forms based application written in VB.Net and has MS
SQL Server 2000 as backend.
·
Worked
with the DBA team to review the code for opportunities to improve the
performance of the application.
·
Implementing
a solution to clean up the existing providers/prescribers data using NPI
numbers, UPIN numbers and DEA numbers.
·
Results
from the load test were analyzed and used to identify and fix the hot spots
in the application, including stored procedures and .net code.
Environment: Windows/.Net Remoting,
Load runner, SQL server 2000, 2005, .Net 1.1, .Net 2.0, Visual studio 2000,
visual Studio 2005, StarTeam.
OZ Systems Inc
Senior Software Engineer
May 2004 - Apr 2008
·
Involved
in Architecture, Client Interaction, Pre-Sales and SDLC for the Health Care
programs for US and international clients.
·
OZ
Systems provides web-based, information management tools that support
newborn and child health screening, diagnosis and surveillance. Subscribers
include state and national health agencies, hospitals, and healthcare
providers.
·
Our
applications, in use in 2/3rds of the states, 15% of US birthing
facilities, all the hospitals in England and State of Victoria, Australia
of are used to manage care processes of infants and children served by
public health programs, report screening and diagnostic results to health
officials and authorized providers, and verify compliance with laws and
regulations.
Environment: Windows/.Net, ASP.net,
WebServices Load runner, SQL server 2000, 2005, .Net 1.1, .Net 2.0, Visual
studio 2000, visual Studio 2005, StarTeam.
Verizon Telecommunications (eBusiness division). Irving TX.
Software EngineerJan 2001 - May 2004
•Developed a
unified layer over multiple backend systems (legacy / mainframes / DB2),
which various clients within Verizon can call without having to worry about
the routing/data mapping and similar issues.
Successfully
transitioned this project from the outgoing Accentor team to Adea.
•I have been
involved in the design and architecture of .Net migration of Verizon.com’s
e-Ordering application. The overall e-Commerce vision of the Verizon retail
market is to build a best-in-class across industries web site that focuses
on cost reduction, revenue generation, customer service, and productivity
enhancements in our core areas of business. As a lead, I was responsible
for various functionalities and releases through the whole life cycle of
the eOrdering Application.
Environment: Windows/.Net, ASP.net,
WebServices Load runner, SQL server 2000, .Net, Visual studio 2000, visual
Studio.
CapRock Communication
Software EngineerAug 1999 – Dec 2000
Developed a
CRM solution for the Telecom Industry. The software takes care of the
Customer Relationship module, Order entry and Billing Systems for the
company. Also involved in the analysis and development of Credit, Order
Entry and Product Maintenance module for the system.
Microsoft –
ASP, VB.net
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