Summary
Overview
Skills
Career Profile
Work History
Education
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Srinivasa (Srini) Ragavan

AWS Certified Senior Cloud Architect
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Srinivasa (Srini) Ragavan

Summary

Senior AWS Cloud Architect for a $1.2B CPQ (Configure, Price and Quote) project of SIEMENS.


Leading an Infrastructure team to handle AWS landscapes from Development to Production contains multiple technologies, 5000+ B2B end users, and on-premise datacenter integration.

Overview

23

Years of Professional Experience

10

Years of Cloud Computing & Architect Experience

Skills

AWS (EC2, ELB, RDS, S3, Cloudwatch)

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Career Profile

Highly skilled, accomplished and qualified Technical Architect with extensive experience in all phases of Software Development Life Cycle including User Interaction, Business Analysis/Modeling, Cost Analysis, Design/Architect, Development, Integration, Planning and management of builds, Code management, Production/Customer support, Maintenance and Enhancement in various domains for more than 23 years of IT experience including  Cloud Computing, Enterprise application software and Web Technologies.

Work History

Siemens

Sr. AWS Cloud Architect
01.2016 - Current

Job overview

  • Architect, Implement and maintain AWS Cloud Infrastructure of multiple landscapes including Development, Quality and Production environments with quantity of 100+ servers/systems.
  • Senior and Primary Infrastructure Cloud Architect for $1.25B CPQ Project.
  • Advise application teams on designing web interfaces that efficiently run in AWS Cloud.
  • Advise management and other Siemens Interface teams on infrastructure safety and high availability.
  • Work with Siemens Infosec (cyber security) team to implement recommendations and adjust application architecture accordingly without major downtime and refactoring.
  • Leading offshore Infrastructure team to handle every day application deployment, health checks and environment availability.
  • Lead architect in design and implementation of CI/CD using Docker and AWS ECS processes.
  • Lead architect in design and on-going implementation of Agile method CI/CD implementation using AWS Developer tools.
  • Design and implementation of Microsoft SQL Server Clustering using WSFC 2016.
  • Migration of Microsoft Domain Controller to AWS Directory services and OS upgrades.
  • Migrating non-AWS application services to AWS by utilizing its latest features.
  • Cloud cost optimization by constant upgrade of AWS resources to its latest family and releases.
  • Budget allocation and cost control of cloud resources for Development, Quality and Production environments.
  • Planning application upgrades and milestone achievements for every fiscal year.
  • Proved successful working within tight deadlines and fast-paced environment.
  • Organized and detail-oriented with strong work ethic.

Siemens

AWS IaaS Architect
01.2013 - 12.2015

Job overview

  • Designed, Developed and Migrated applications from SIEMENS/AtoS on-premises data center to AWS Cloud, starting from Blueprint to implementation.
  • Conducted system design, feasibility and cost studies and recommended cost-effective solutions for migration from on-premises to AWS Cloud.
  • Administered discovery, user testing, and POC release to Gartner Magic Quadrant Research Methodology feedback prior to actual migration and implementation.
  • Created Infrastructure for POC, Development, Unit Tests, Functional Tests, Quality and Production environments using AWS Best Practices.
  • Used critical thinking to break down problems, evaluate solutions and make decisions.
  • Demonstrated high level of initiative and creativity while tackling difficult tasks.

Siemens

Application Architect
08.2011 - 12.2012

Job overview

  • Designed business report application using Wavemaker - Ajax technology.
  • Designed and developed report application using BIRT reporting tool with cross browser capability support desktop and mobile browsers including iOS and Android.
  • Real time business report generation utilizing transaction data, SAP back office data and exporting in different formats.
  • Full Life-Cycle application implementation experience with technologies ranging from Software, Network, Hardware and Security for on-premise data center.
  • Created migration strategies to bridge development gaps between existing software architecture and future updates.
  • Mentored team, sharing skills and expertise and encouraged each member to bring forward ideas and suggestions for improvement.

Siemens

SAP NetWeaver Architect
09.2009 - 07.2011

Job overview

  • Architect and Lead in upgrading SAP NetWeaver system.
  • Designed server matrix and upgrade SAP NetWeaver system with High Availability using Microsoft Clustering.
  • Lead in implementing SAP NetWeaver system for offshore data center.
  • Design lead in Disaster Recovery solution for SAP NetWeaver environment and document cost effective solution to achieve it.
  • Integrated of SAP NetWeaver system with industry standard SSO methods.
  • Supported load balancing and performance tuning of J2EE applications.
  • Demonstrated leadership skills in managing projects from concept to completion.
  • Identified issues, analyzed information and provided solutions to problems.

Siemens
Norcross

SAP Netweaver Consultant
04.2008 - 08.2010

Job overview

  • SAP J2EE Engine administration including Java system patching, memory management, server process control, performance tuning and troubleshooting Java system exceptions.
  • Responsible for deployment operations in Quality and Production landscape.
  • SAP NetWeaver performance monitoring for custom J2EE application.
  • Experience in applying SAP support pack stacks and enhancement packages.
  • Proficient in UME integration with different data sources including LDAP, ABAP and non-SAP sources.
  • Experience in implementing server certificate, SAP authorization & security procedures based on SAP notes.
  • Experience in troubleshooting including GC analysis and Heap analysis.
  • Worked well in team setting, providing support and guidance.
  • Assisted with day-to-day operations, working efficiently and productively with all team members.

Smartsoft International Inc
Johns Creek

SAP Netweaver Consultant
12.2007 - 03.2008

Job overview

  • Converted non-SAP legacy application to SAP Portal Application
  • Configured Employee Self Service application for Internal use
  • Configured Enterprise Portal Role to distribute selected features to all employees
  • Identified issues, analyzed information and provided solutions to problems.
  • Prototype developed for SAP xMII - xApp installation and integration with SAP ECC 6.0 system.

Cooper Lighting Solutions
Peachtree City

SAP Enterprise Portal Consultant
04.2007 - 11.2007

Job overview

  • Corporation specific SAP Portal Branding, matching other Intranet applications.
  • Designed and Developed External Facing SAP Enterprise Portal design and components related to that.
  • Application support for Order and Inventory Portal Application.
  • Involved in performance tuning of Order specific portal application.
  • Demonstrated high level of initiative and creativity while tackling difficult tasks.
  • Participated in team collaboration, demonstrating an ability to work effectively.

Smartsoft International Inc
Johns Creek

SAP Enterprise Portal Consultant
12.2006 - 03.2007

Job overview

  • Designed integration of SAP R/3 system with SAP Enterprise portal 7.0
  • Migrated non-SAP web application to SAP NetWeaver system.
  • Configured ESS and MSS business packages and customize for internal administration department.

Rockwell Collins
Cedar Rapids

SAP Enterprise Portal Consultant
06.2006 - 11.2006

Job overview

  • Designed Portal Branding for integration with company's intranet.
  • Branding implementation includes customer access port and employee intranet.
  • Developed Portal page personalization to be customized by end user as well.

Morrison Homes
Alpharetta

SAP Enterprise Portal Consultant
08.2005 - 05.2006

Job overview

  • Application integration between SAP Enterprise Portal and SAP R/3 systems.
  • Developed SAP Enterprise Portal components including iViews, Portal Desktop, Pages, Roles and Worksets.
  • Corporate Portal Themes and Branding
  • SSO between SAP BW system and SAP R/3 system.
  • Proved successful working within tight deadlines and a fast-paced environment.

IBM
Research Triangle Park (RTP)

IBM E-commerce Consultant
05.2000 - 07.2005

Job overview

  • Team member of application development using Net.Commerce for ibm.com - eCommerce public site.
  • Gained extensive knowledge in IBM AIX, DB2 and L2 application production support.
  • Led Migration team for locale based production information migration to handle all Geos.
  • Developed strong communication skills through working with multiple teams across globe.
  • Learned and adapted quickly to new technology and software applications.

Datascan Technologies, LLC
Alpharetta

Oracle Developer 2000 Consultant
04.1999 - 04.2000

Job overview

  • Supported Oracle backend PL/SQL programming and Forms development.
  • Worked well with multiple teams, provided development and post production application support.

Baseline Computers
Salem

Oracle Application Developer
07.1994 - 03.1999

Job overview

  • Developed applications using Oracle Database backend (PL/SQL), Forms 4.5/Developer 2000 frontend.
  • Built databases and table structures for applications.
  • Tested functional compliance of company products.

Education

AWS
Amazon

AWS Certified Cloud Practitioner - Amazon
02.2023 - 02.2026

LinkedIn
LinkedIn

Cloud Architecture: Advanced Concepts - LinkedIn
02.2023 - 02.2023

IBM
IBM

IBM Certified Net.Commerce Solution Expert
03.2000 - 03.2000

University of Madras
Chennai, India

Bachelor of Engineering from Electronics and Communication Engineering
05.1990 - 05.1994

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Srinivasa (Srini) RagavanAWS Certified Senior Cloud Architect