Clearances:

Active Secret Clearance valid up to *1/23/2027

SSBI Clearance as of Jan 2020

IT3 clearance based on the NACLC national agency, local agency check and credit check as of 6/27/15

Public Trust as of 01/08/2010

Visa Status : US Citizen

Certifications:

CompTIA Security+ Valid up to 04/13/2025

Manage B2B Scenarios Effectively with SAP Integration Suite

SUMMARY

29 years of experience in designing, developing, and managing large scale B2B, EDI, and EAI solutions.

24 years of EAI experience.

16 years of experience in the SAP PO/PI/XI space.

Experience with implementing EDI/B2B/EAI links, system enhancements, and production support processes to improve order cycle time, predictability, and forecasting accuracy.

Proven ability to utilize extensive technical and business knowledge to architect highly available, scalable, and maintainable solutions.

Specialized in the implementation of SAP R/3 systems, with particular emphasis on tools like EDI, ALE, and IDocs.

Worked on several EDI X12 messages and on different versions or EDI.

Experience with designing system architecture landscapes for customer-to-cash eBusiness applications.

Contributed to growth in sales, margin & profitability by implementing eBusiness tools to make it easier for customers & partners to do business with my clients and by efficiently integrating the various Supply Chain technologies.

Specialized in EAI, Middleware Development and Integration for Messaging and Transaction based systems.

Good Experience in Scalability and Streamlining the EAI Production Environment.

Experienced in

1.Developing ANSI X12 transaction sets using Seeburger and Conversion Agent.

2.Architecture, Design and development of Integration Scenario Configurations for many variations of partner message exchanges

3.Experienced in developing ABAP Client and Server Proxies for proxy communication between ECC and SAP Middleware

4.Developing XI / PI Mapping Objects, BPM, Inbound and Outbound Interfaces, and configuring File, IDoc, RFC, HTTP, JDBC, and SOAP adapters

5.Adapter Framework, Alert Configuration, Cache Monitoring & Proxy Runtime.

6.Shop Floor Integration using MII (xMII) / Visiprise.

Strong in gathering customer business requirements and providing quality documentation.

Experienced in implementing several encryption methodologies for secured data transmission.

Experienced in several EAI / Middleware tools like WebMethods, Mercator, Gentran, Harbinger, Conversion Agent, SAP PI, SAP PO and SAP BTP CPI / CI / Integration Suite.

Good understanding of the Event mesh and Migration Assessment to migrate the interfaces from PO 7.5 to BTP CI (Integration Suite)

Project Experience:

US Army Nov 2017 – Present

Sr. PO Consultant

Supported several Business areas at LMP as part of the development team.

Key member in the DISA migration team to migrate 50+ SAP PO 7.4 interfaces to DISA. I was solely responsible to migrate the DLMS (EDI ANSI X12 527, 870, 830, 511, 517, 527 to name few) interfaces dealing with DAAS.

Developed several Inbound and outbound interfaces for message translation from SAP IDoc to EDI X12 message (for several end partners and Army depots) and vice versa.

Played a key role in the upgrade from SAP PI 7.3.1 to SAP PO 7.5

Successfully migrated SAP PO 7.5 from DISA to AWS cloud

Currently working on multiple Solution Delivery tickets.

Created RFC destinations, maintained partner profile and assigned Logical Systems for Inbound and Outbound processing to exchange data between the ECC and SAP PO.

Created ECC jobs to be triggered based on the schedules configured on Control-M

Developed an Idoc function module to enter the Total Item Records for FLIS into LMP via ZMM_FLIS_TIRR table.

Developed a program to extract the inspection lots or inspection surveillance data and wrote it to the file system. The middleware interface was used to transfer the file to the trading partner, MHP.

Developed an outbound client proxy to transmit IUID relevant data to MCDS.

Configured the change pointer for the IUID messages using BD50.

Simultaneously working as a loaned resource to the Sustainment team to support PSSE tickets.

Worked on the migration of MEDLOG data from the legacy system to Army LMP SAP System. This involved migrating the Purchasing information along with the Material Data.

1.Developed interfaces to process initial legacy data loads and send them to ECC. The data is subsequently loaded to ECC using LSMW.

2.Developed a process to address the errors post migration for the uncorrelated Material Master data.

Worked on migrating the PADDS(Procurement Automated Data and Document System), SPS (Standard Procurement System ) and VCE (Virtual Contracting Enterprise) data to ACWS (Army Contracting Writing System)

1.Migrated the Contract, Contract Update, Purchase Orders and Purchase requisitions using PO interfaces.

Migrated the legacy LOGSA database to the OnPrem Oracle database using JDBC adapters.

PO 7.5 to SAP BTP CPI / CI (Integration Suite) migration

Worked on migrating interfaces from PO 7.5 to the SAP CPI / CI Integration Suite.

Evaluated the custom UDFs and implemented them using groovy scripts where ever necessary.

Evaluated the Integration Advisor for migrating the SAP B2B Addon to CPI / CI.

Migrated the BPM to iFlow.

Migrated the Idoc interfaces from PO to CI. Using WE60 transaction, downloaded the Idoc metadata from ECC and uploaded to CI to use in the message mappings.

Worked on JSON and XML conversions, Groovy Scripting, Content Modifier, Aggregator, Request Reply, Multicast, Router, Process Call, Local Integration Process, Exception subprocess etc.

Implemented the Collection and extraction Process for the Idoc messages coming to SAP CPI / CI.

Involved in the TPT and regression testing of interfaces for the S4 Hana upgrade on the existing OnPrem PO systems.

US Army Nov 2015 – Nov 2017

Sr. PI Consultant – DISA Migration

As part of DISA migration, the following are some of my responsibilities.

Worked on the Middleware Change Requirement and the Change Design Documents for the migration of the ALTESS- managed data centers to DISA core data centers on the new Oracle Supercluster.

Worked on System landscape diagrams, System validation plans across different environments and Integration test scripts

Developed testing strategies for different phases of migration

Worked on the System Migration Strategy of several environments in the LMP Landscape (One Sandbox for mock cutover, two development boxes (DEV1 and DEV2), two Quality Assurance environments (QAS1, QAS2) and the Production and COOP environments.

Helped BASIS completing the STIG compliance requirements.

Migration of the Middleware environments to DISA.

US Army Aug 2014 – Nov 2015

Modernized Sustainment

Sr. PI Consultant

I joined the MS group – Modernized Sustainment to help LMP support the PI interfaces. As a seasoned PI consultant in the Production Support group, the following are some of the responsibilities that I deal with on a daily basis.

Monitoring all the PI interfaces on the production boxes

Reviewing all the Technical specifications, interfaces and the validation plans before Go-Live.

Deploying and validating the PI interfaces on all the systems in the Production path.

Working closely with the Partner to schedule and execute the Partner testing.

Working closely on the RCA with the Business Analyst and fixing the issues identified.

Supporting the Basis, ABAP and functional teams during PI outages.

Worked closely with all the teams involved during the Cutover of multiple interfaces.

I was also involved in the PI Upgrade project to upgrade PI v7.11 to PO v7.4. Following are some of the items that I worked during this upgrade:

Upgraded PI from v7.11 to v7.4 dual stack

Identified interfaces to convert from IE to AE using Integrated Configurations

Worked closely with the development team to use the Migration Tool for both scenario and communication channel migrations

Worked with the SAP MaxSecure teams to perform performance testing of critical interfaces to ensure that the performance is not degraded due to the upgrade

Involved in regression testing 240+ interfaces in the newer landscape to make sure that the Upgrade did not introduce any new issues.

US Army Oct 2012 – Aug 2014

Solution Delivery

Sr. PI Consultant

As part of the Solution Delivery group, I was involved in the design and development of interfaces for Logistics Modernization Program (LMP) to migrate interfaces from Seebeyond to PI.

Responsibilities include:

Develop Change Design documents (CDD) and get approval from Architecture Review Board (ARB)

Active participant in the Architecture group

Conduct internal reviews to approve the Technical specifications developed by the team members

Laying out the naming and development standards for the PI teams across different development initiatives within LMP

Develop the Technical Specifications and the Unit/Validation test plans for the interfaces

Develop the PI Repository and Configuration objects for migration from SeeBeyond to PI.

Involved in the design/development of interfaces utilizing the LMP Collector/Extractor process

Involved in the migration of some complex MILS to DLMS X12 conversion

Developed interfaces for different vendors including SPS, ODS, DLATS, AWARDS, SOMARDS and AESIP.

Involved in the design/development of client/server ABAP proxies to implement the Collector/Extractor pattern.

Developed an extract program for the Collector/Extractor pattern to extract the collected data from the Z tables

Debugged the ABAP programs to resolve any issues with posting function modules for the inbound IDocs.

Involved in the UAT and Partner testing.

Actively involved in designing templates to collect all the relevant information for all interfaces with the 3rd party systems for Connectivity calls.

Worked closely with the Modernization Sustainment (MS) team to schedule the batch jobs and resolve any dependencies.

Help the MS team to move the PI interfaces into the Production environment.

Involved in Knowledge transfer sessions to the MS team.

Involved in Performance tuning for the PI servers considering the high volumes generated by some of the interfaces

Used Seeburger for the ANSI X12 conversion.

Lockheed Martin, NJ Nov 2011 – Sep 2012

MS2 COS Project:

Lockheed Martin Mission Systems & Sensors (MS2) provides systems engineering, software development and complex program management for global security, civil and commercial markets.

MS2 executes nearly 500 programs for the U.S. Navy, Coast Guard, Air Force, Army and Marine Corps, as well as industrial, research and medical customers in 50 nations.

I joined the MS2 COS project as a Team Lead to help Lockheed Martin with the MES implementation with iBaset Solumina.

Assisted the client in installing and designing landscape for SAP PI with local SLD, CTS and CCMS.

Integration involved development of interfaces to deliver Material Master, EBOM, MBOM, Production Orders, Work Centers, Equipment Serial Numbers, Routing Confirmation and get Process Plans (Routings), Production Order Updates, As Built and Operation Confirmations messages through the JMS Queues.

The above interfaces were implemented using Client/Server Proxy calls. XSLT mappings were developed and used in these interfaces.

Implemented Alert mechanism for Error notification and escalation options were explored for interface execution failures.

Resolved most of the issues during the ITC2 and the ITC3.

SouthWire Company June2011 – Nov 2011

SAP PI SME

Southwire Company is North America’s leading manufacturer of wire and cable used in the distribution transmission of electricity.

The three phases of GOLIVE involves migrating several of their legacy systems to SAP. During the phase 1 of GOLIVE, we migrated the MM and FI functionality from their legacy systems to SAP. My role during this GOLIVE activity involved Design, develop and migrating several of their interfaces from the Legacy systems to PI 7.3

Working with the employees and helping them with the technical documentation and the naming standards documents.

Meeting the business users and identifying the interfaces that need to be migrated to PI.

Conducted the brainstorming sessions to identify the better solution in designing the interfaces depending on the business needs.

Developed IDoc, Proxy and JDBC interfaces.

Developed the Value mapping replication interfaces using ABAP proxy to send data to PI.

Worked on couple inbound and outbound interfaces that involves JMS and JDBC adapters for transfer between ECC and mainframe.

GXS – Global eXchange Services Oct 2010– June 2011

Sr. Interface Consultant

GXS is a global provider of B2B e-commerce and integration solutions for 30,000 customers, including more than 70 percent of the Fortune 500. Companies in the retail, consumer products, financial services, manufacturing, high tech, automotive and other industries leverage services on GXS’ cloud computing-based platform, GXS Trading Grid®, to extend supply chain networks, optimize product launches, automate warehouse receiving, manage electronic payments and gain supply chain visibility.

I joined GXS to help them with their GXS integration with their several SAP clients that are using PI to integrate their R3 systems with the external vendors.

Developed Invoice and Payment PI Web Service interfaces for Nestle Purina and PalstiPak.

Worked with the integrators with the SAP issues they encounter during the implementation with the SAP GXS SAP clients.

Worked with the GXS production support team with the several SAP RFC calls, ALE, RFC Destinations, Partner Profiles and Port Definitions issues they came across during the Delphi EDS to GXS migration.

I was the lead integrator in separating BWI out of the Delphi systems. We successfully went through 3 phases of GOLIVE with the 3 BWI plants (USA, Luton and Krosno).

As the lead integrator on this project, am responsible for

Managing all the GXS maps on Pre-Production and move them to Production.

Creating the Trading Partner Profiles on the trade guide

Integrating all the maps on the Trade Guide, setting up the ACR’s and loading all the Cross reference tables on the pre-production and production environments.

Supported the client during the UAT and Partner testing. Also involved in the post GOLIVE support during the first 3 weeks after GOLIVE.

Worked on the WebMethods 6.1 to SAP PI 7.1 migration.

Migrated several A2A WebMethods 6.1 JDBC interfaces to SAP PI 7.1.

Migrated several B2B EDI interfaces to SAP PI 7.1 using the Seeburger adapter.

Migrated interfaces using the webservices and SOAP interfaces to SAP PI.

US Army - LMP Program Nov 2009 – Aug 2010

Sr. Consultant – PI Migration

The Logistics Modernization Program (LMP) is one of the programs that stand at the center of the Army's business transformation initiatives. The LMP is a cornerstone of the Single Army Logistics Enterprise--an enterprise business solution that will enable vertical and horizontal integration at all levels of logistics across the Army. By modernizing both the systems and the processes associated with managing the Army's supply chain at the national and installation levels, the LMP will permit the planning, forecasting, and rapid order fulfillment that lead to streamlined supply lines, improved distribution, a reduced theater footprint, and a warfighter who is equipped and ready to respond to present and future threats.

I joined the LMP project to help LMP with the Phase 1of the Seebeyond to PI 7.1 migration effort. The following are some of the areas that I handled during the migration process

Developed technical documentation for several EDI and non-EDI interfaces.

Involved in the Project Plan, Design, Development, Regression Testing, Production deployment and Post deployment support.

Developed Unit Test Scripts for the interface migration to the QAS environment.

Lead the development effort for the AWRDS implementation through GO Live.

Developed several A2A / SOAP interfaces to send and receive Material Transfer, Shipment Status and Physical Inventory post from the LMP to the AWRDS and AESIP.

Designed technical infrastructure and developed 9 interfaces between the LMP and AESIP.

Developed B2B interfaces for EDI ANSI transaction sets using Seeburger BIC adapter to send data to DAASC (Defense Automatic Addressing System Center)

Worked with the Basis group and the business partners in setting up the initial connectivity and resolving partner certificate issues.

Worked with the business in defining the testing scenarios for the partner testing.

Involved in the UAT and partner testing.

United Launch Alliance Nov 2007 – Oct 2009

SAP PI SME

United Launch Alliance (ULA), structured as a joint venture between Lockheed Martin and Boeing, has chartered a program to combine processes and systems of the Atlas and Delta programs. The objective of the ERP program is to implement common systems to support Finance, Human Resources and Supply Chain functions.

At ULA, I involved in the Blue Printing phase through the Go Live and Support. I designed and developed several SAP PI 7.0 interfaces for sending the FICO, SCM and HCM data feeds from R3 to several ULA service providers. The following are some of the key responsibilities that I handled at ULA.

1.Involved in the architecture for the integration of ECC with several internal and external systems through PI.

2.Setup Business Systems and Technical Systems on the SLD and setting up the transport paths between different environments.

3.Configure the Adaptive’s sftp and PGP adapters for secured data transmission to the external systems.

4.Performance tuning of PI system

5.Developed HCM, SCM and FICO XI interfaces for data transfer from R3 to external vendors.

6.Developed ABAP Client Proxies and Server Proxies for data transfer between R3 and PI.

7.Created RFC destinations, maintained partner profile and assigned Logical Systems for Inbound and Outbound processing to exchange data between the SAP R3 system and XI/PI 7.0

8.Implemented File Content Conversion (FCC) for XML to Flat file and Comma delimited layouts.

9.Used JDBC adapters to load the Oracle and Sybase database tables.

10.Developed Alert categories and Alert rules for error notification of message failures in the PI server.

11.Worked with the QA group to resolve any development issues during the SIT and UAT.

12.Worked on MII for SAP to Shop Floor Integration.

13.Worked on the MM and BOM extraction programs for sending the initial MM and BOM extractions to the MES system.

14.Created PI MM and BOM interfaces for the initial load to the MES system.

15.Worked in the sustainment team monitoring day to day activities of the production system.

Spirit AeroSystems June 2006 – Nov 2007

Sr. SAP NetWeaver XI Consultant

Project NorthStar

SpiritAero Systems is the world's largest supplier of commercial airplane assemblies and components. Spirit AeroSystems offer a diverse line of products and services for aerospace design, build, support and spares/repair needs. With five manufacturing and business office facilities on two continents, Spirit’s capabilities are technologically world-class in both proficiency and capacity. Spirit AeroSystems provides customers with high-quality, cost-competitive products and services in the following areas:

Fuselages, Under-wing components, Composites, Wings, Spares/repairs

The following are some of the XI and SAP areas that I have worked on.

Involved in the architecture of the XI /PI system for integration with ECC and the third party vendors.

Supported the entire life-cycle from Pilot to production support.

Worked closely with PMO and Functional Team to create overall Development strategy and change management process for the project.

Post GO Live support of the XI environment.

Helped the development team in resolving any issues during development and Post Go Live trained them on the best mapping practices and naming conventions standards.

Developed several EDI ANSI X12 and non EDI interfaces using XI/PI 7.0 for the P2P, QTC and MHL teams.

Used Conversion Agent for ANSI X12 to IDoc translation.

For Non EDI interfaces, the translation is done in XI using Message Mapping.

Designed and Developed SAP Inbound and Outbound Interfaces, BPM, Sync-Async Bridge, and complex multi mapping programs using SAP PI 7.0.

Developed XI Interfaces using MAIL adapter to send a email notification to the end user about the error status notification received from the vendor regarding the processing failures.

Developed UDF’s to for custom functionality that’s not supplied by SAP for message mapping.

Implemented alert framework and is responsible for necessary configuration.

Designed and implemented interface framework for all EDI interfaces. Refined existing processes to be error proof and efficient.

Developed several EDI and non-EDI custom interfaces in PI & ECC landscapes.

Defined production support procedures including workflow and alert management

Designed and developed a correlated process in PI for outbound 820 & 831 payment transactions using ccBPM.

Integration of external production management systems using RFC, Web Services.

The Home Depot Aug 2005 – June 2006

SAP / Mercator SME Consultant

I joined Home Depot to lead the Mercator 6.7.1 to DSTX 8.0 conversion for the SOSI Release 2 project. I was leading the development effort for the WPC, WMS, TMS and the HVAC projects. The following is a brief summary of the Mercator and SAP work at Home Depot.

Performance evaluation of DSTX 8.0 on the new AIX servers.

Removed all the BPI Error handling / logging process and moved everything to MQ Error handling Queues for better visibility and efficiently handling the error messages.

Enhancements to the DSTX 8.0 code to fit in the new Siebel requirements as part of the SOSI2 release.

Production support of the new DSTX 8.0 servers.

Developed couple IDoc interfaces to send data from SAP to the WMS system.

Cooper Power Jan 2005 – July 2005

SAP EDI Consultant

I joined Cooper Power Systems to help the client with the upgrade effort from the SAP 3.1H to 4.7 and with the Gentran to GIS migration. The following are some of the tasks that I handled at Cooper Power.

Integrated GIS with the new 4.7 system.

Setting up the Port definitions, RFC destinations and the ALE distribution model on the 4.7 system.

Migrated Gentran 810, 850, 855, 856 X12 maps to GIS.

Setting up the EDI and ALE configuration Parameters for all the IDocs on 4.7

Tested all the Gentran and GIS maps with the new 4.7 system

Home Depot Jul 2004 – Dec 2004

EDI / Mercator SME

This project was about Special Orders & Services Initiative (SOSI) Release 1 Flooring Configuration for Measurers and Installers.

I was involved in Analysis, Design, Develop, and to Test various XML based maps by using Mercator as a mapping tool.

Prepared Technical Specifications, mapping specs and prepared B2B Two-way communication documents for SOSI B2B Gateway transactions.

Design and developed the brand new Schemas (XSD) for different types of Inbound and Outbound transactions for SOSI B2B Gateway which are 1) Measure Capacity, 2) Measure PO, 3) Install PO, 4) PO Activity Status, 5) Verify Product, 6) Schedule Will Call, 7) Customer Order, 8) Document Acknowledgement and 9) Application Status and developed the corresponding Mercator maps.

Developed interfaces and managed all the Mercator Components.

Configured Transports, Integration Agents, AS2, SMTP agent and JMS Inbound and JMS Outbound forwarding agent types for Internal and external Trading Partners.

Extensively worked on the Communication protocols like HTTP, File Transfer (FTP), File Delivery Queue (FDQ) transport using API, Two-Way XML exchange through AS2 etc.

Code reviewed the B2B Legacy EDI maps that are ANSI X12 v4060 of 810, 812, 824, 850, 856, 860, 864 and 870 for better performance.

Developed the new Business Rule based XSD’s for Commerce Desk as per their XML Exchange Program guidelines for the following are 1) Measure Capacity, 2) Measure PO, 3) Install PO, 4) PO Activity Status, 5) Verify Product, 6) Schedule Will Call, 7) Customer Order, and 8) Document Acknowledgement.

Assist the testing team to prepare the test data and to test all the above XSD’s.

Reliant Energy: Nov 2001 – June 2004

Integration Architect

During the deregulation of the Electric market in Texas I was brought in to architect and create a new Corporate and Retail EDI department.

I was leading the project of separating the SAP systems from Center Point Energy to Reliant Energy as mandated by the Texas Deregulation Energy guidelines.

Conducted user sessions to identify the FI, MM, HR and FI functionality that needs to be implemented in the new Reliant Energy SAP systems.

Designed the EDI interfaces that to support the functionality.

Installed and developed several interfaces with SAP, Mercator and Harbinger EDI system for the corporate and the Retail groups.

Designed and implemented several interfaces for the Treasury, FI, HR Payroll and benefits processing.

Implemented PGP and sftp for secured file transports of all the FI and HR payroll and benefits information to several vendors for employee benefits processing.

Helped the Retail group in designing a system to send all the Customer information to SAP CCS.

EDI Consultant / Architect Oct 1998 – Oct 2001

Bell South

PraxAir, Inc, Buffalo, NY

Wine.com, San Francisco, CA

NightFire Software Inc, Oakland, CA

PECO/Exelon Energy Company, Philadelphia, PA

Jo-Ann Stores, Hudson, OH

Designed and Developed several EDI interfaces for the SAP FI, MM and SD SAP modules.

Designed the new EAI Architecture for BellSouth for the EDI re-platforming effort.

Developed several ANSI X12 transaction sets for the FI, MM, SD and SCM modules.

Performance Evaluation of system integration on Netscape ECXpert v3.0 environment.

At PECO Energy Lead the EDI Certification process effort for the Utility Industry in the states of NJ, PA and DE to meet the standards set by the PUC.

Developed IDoc extensions and setup the EDI partner Profiles, RFC Destinations and Port Definitions.

Designed the EDI architecture to meet the LSOG and USOG guidelines for the TCIF (Tele Communication Industry Forum)

Implemented several security products like DescryptEDI+ from Prime Factors to send the Authenticated and encrypted data to several banks through VAN and the internet.

Programmer/Analyst Nov 1994 – Oct 1998

GTE Telecommunications, Tampa, FL

ABR, Palm Harbor, FL

Soft Star (P) Ltd., India

Developed Oracle Stored Procedures, Functions and Database triggers using PL/SQL. Developed front-end GUI reports using Oracles Forms 4.5 and reports 2.0

Developed Crystal Reports

Worked on WinRunner, Load Runner and Test Director - the Mercury interactive products to run the automated tests, load tests and to organize the testing process.

EDUCATION: Bachelor of Engineering in Electronics and Communications

Reference: http://www.linkedin.com/in/chowdary

Contact this candidate