Summary
Overview
Work History
Education
Skills
Websites
Certification
Timeline
Generic
HARIKRISHNAN RAJARAM

HARIKRISHNAN RAJARAM

Summary

Dynamic Senior Cloud Architect with 19+ years at Tata Consultancy Services, specializing in multi-cloud solutions and data architecture. Proven track record in optimizing cloud migrations, enhancing operational efficiency by 30%, and fostering collaboration across teams. Expertise in GCP and Azure, coupled with strong leadership skills, drives innovative cloud transformations.

Overview

24
24
years of professional experience
1
1
Certification

Work History

Architect/ Senior Lead technical, Cloud

Tata Consultancy Services
10.2021 - Current
  • Key Customers supported - UPS, KeyBank, Legrand, UPS, Walgreens, Amex, Citibank
  • Cloud Adoption: Provide best-in-class solutions for small to large-scale cloud adoption
  • Including MS-Fabric
  • Solution Architecture: Design and implement cloud solutions, identify risks, and propose mitigation strategies
  • Multi-Cloud Expertise: SME in GCP, Azure, and multi-cloud implementation and migration
  • Program Management: Lead and oversee the development of major company-wide programs
  • Technical Leadership: Secure the professional delivery of solutions in the region
  • Customer Engagement: Lead and contribute to customer workshops, providing technical expertise
  • Executive Engagement: Engage with customers at the C-level during sales phases
  • Solution Design: Define, scope, and design solution offerings
  • Knowledge Sharing: Share and transfer knowledge through presentations and training
  • Pre-Sales & Delivery: Act as the solution owner in both pre-sales and delivery phases
  • Network Solutions: Provide and drive solutions across various domains and layers in the customer network
  • IT Planning: Create and review IT plans that manage expectations of what technology can offer
  • Standards Development: Research and facilitate the development of solution, integration, workflow, and web service standards
  • Cloud Automation: Define and execute cloud automation strategies for enterprise applications
  • Enterprise Architecture: Collaborate with the broader architecture community to define IT strategies and standards
  • Design Revie Participate in the design review process and support the overall Enterprise Architecture Management process
  • AS Data Strategy and Architecture by Aligning data initiatives with overall business objectives, designing scalable data architectures, and selecting appropriate cloud platforms and database technologies based on specific requirements
  • As Data Integration and Migration by Planning and executing data migration strategies, integrating data from various sources, and ensuring data quality and consistency across different systems
  • Supported on Data Governance and Compliance by Establishing data governance frameworks, implementing data security measures, and ensuring compliance with industry regulations (e.g., GDPR, HIPAA)
  • Design Data Analytics and Business Intelligence by Designing data warehouses and data marts, enabling data-driven decision-making, and supporting advanced analytics initiatives using tools like SQL, BI platforms, and machine learning frameworks
  • Presales Consultant Supported/Led digital transformation of data platforms and Application for Walgreens and UPS, Legrand and currently for Amex
  • Migrating and consolidating on-premises infrastructure to scalable, secure cloud solutions and DataEngineering
  • Amex : Various Data components and Transaction to Lumi using Corner stone and various dependent application to GCP cloud
  • It’s the GCP solution with existing Azure services while considering core LUMI /Cornerstone which are two primary components of American Express's Global Technology Services (GTS) platform
  • They play crucial roles in delivering innovative technology solutions to the company's global operations
  • Stabilizing Data platform to manage and analyze vast amounts of data generated by American Express's various business operations.Implemnted data lake, storing and processing diverse data types, including structured, semi-structured, and unstructured data
  • Implemented Scalability through LUMI for highly scalable, capable of handling the growing data needs of these financial services Designed and work with team for Analytical Tool to provide a range of tools to extract insights from the data, enabling data-driven decision-making
  • Deeply involved in integration platform that connects various applications and systems within American Express's IT landscape
  • Using API Management: to facilitate communication and data exchange between different systems
  • Designing and implementing existing Micro services Architecture for Cornerstone support breaking down large applications into smaller, independently deployable services
  • Leading automation by integration tasks, reducing manual effort and increasing efficiency
  • CitiBank:
  • Partner with App Owners and Collaborate closely with Citi App Owners to conduct a comprehensive survey for each application and gather Application Information to collect essential data, including App Owner insights, to inform cloud migration planning, such as move groups and migration paths
  • Coordinate with App Owners to address questions and clarifications from App Owners to ensure accurate and complete assessment data
  • Analyze Assessment Data and collected data to identify application move groups and migration paths in collaboration with key stakeholders
  • My role was to: gain a deeper understanding of the application's current state, enabling realistic expectations for addressing challenges and achieving desired business outcomes
  • And working with the team to achieve the objective also Planning Strategic Migration to Align applications with appropriate move groups, considering dependencies, priorities, user experience impacts, and overall cloud modernization success
  • The Key Deliverables were Comprehensive Application Surveys by Completed surveys for each application, capturing relevant information
  • Where many many On-Prem/3rd Pary/Cots solution were a candidate to be migrated to Azure and Google Cloud

Senior Cloud Architect

UPS
01.2020 - 07.2020
  • Shipment & Claims:
  • Architected and implemented a GCP-based data platform: Leveraged Cloud Storage, Dataflow, BigQuery, and AI Platform for scalable data processing, warehousing, and predictive analytics
  • Enhanced shipment visibility and efficiency: Optimized delivery routes and predictive maintenance schedules using AI and machine learning, resulting in cost savings and improved customer service
  • Automated claims processing and fraud detection: Developed AI models to analyze claims data and flag suspicious activity, streamlining workflows and reducing losses., America
  • Cloud Leadership: Led multi-cloud practice (AWS, Azure, GCP) for cloud enablement and portfolio management
  • Migration Expertise: Delivered on cloud migration (TCO-ROI, roadmaps, POCs) for multiple client portfolios (Azure, GCP, AWS)
  • Platform Implementation: Implemented cloud solutions across applications, data, and technology domains, enabling business processes with innovative services
  • CI/CD & Data Architect: Designed architectures for CI/CD pipelines, data lakes (Synapse, Snowflake), and BigQuery-based analytics
  • Automation & Tools: Led automation initiatives using Ansible, Chef, Puppet, AWS CloudFormation, Terraform, and monitoring tools
  • Identity & Security: Managed identity and security (Okta, IAM) in cloud environments
  • Mentorship: Mentored teams on cloud architecture, API design, configuration, and troubleshooting
  • As in role of Senior Manager Cloud Solutioning:
  • Role: Spearheaded the enterprise cloud practice as a multi-cloud architect, leading migration and modernization initiatives for AWS, Azure, and GCP clients
  • Key Achievements:
  • Architected and implemented:
  • Cloud solutions for diverse business portfolios across applications, data, and technology domains
  • CI-CD pipelines, data lakes, and analytics platforms using Snowflake and various cloud services
  • Secure identities and access controls with tools like GKE and Stackdriver
  • Led cloud migrations:
  • Conducted TCO-ROI analyses, defined migration roadmaps, and delivered solution designs
  • Demonstrated feasibility through POCs (e.g., GCP Dataflow & BigQuery)
  • Managed cloud environments:
  • Established alerts and monitoring tools for various cloud platforms (AWS, Azure, GCP)
  • Utilized configuration management tools (Ansible, Chef, Puppet, Terraform, CloudFormation)
  • Provided platform access and troubleshooting support (EKS, EBS, S3, CloudFormation, Terraform)
  • Mentored and collaborated:
  • Guided resources on cloud-based API and feature development
  • Fostered seamless collaboration between onshore and offshore teams
  • Technology Expertise:
  • Cloud Platforms: AWS, Azure, GCP (including EKS, EBS, S3, GKE, Stackdriver)
  • Migration Tools: AWS DMS, AWS Server Migration Service, Terraform, CloudFormation
  • CI-CD and Analytics: CI-CD pipelines, Snowflake, data lakes
  • Configuration Management: Ansible, Chef, Puppet
  • Security: Identity and access management
  • Impact:
  • Enabled business transformation through innovative cloud solutions
  • Delivered cost-effective migrations and modernized client IT infrastructure
  • Cultivated a talented and collaborative cloud architecture team.

Consultant

GAF.com
09.2019 - 01.2020

Consultant, Cloud Strategy & Migration Analyst

Orange Insurance SUI, Edgesys
05.2019 - 06.2019
  • Assessed cloud modernization/replacement options for portfolio and delivered POCs for chosen strategy
  • Migrated legacy system to .NET MVC and Azure cloud
  • Designed reference architecture for home insurance and claims logic using Duck Creek Claims
  • Created OLAP cubes and BI reports for data analysis
  • Services/Technologies: Azure, GCP,Duck Creek Claims, OLAP, BI

Integration, Delivery Lead

Astea International, Cloud Application
08.2018 - 02.2019
  • Led cloud migration, integration, and implementation for Astea solutions involving EDI, applications, and various services (Scribe, etc.)
  • Worked with multiple Astea products (Mobility Workforce, Reverse Logistics, Asset, Service, Customer Management, BI, Field Services): Expertise in linking processes, people, parts, and data on platforms (Astea, Azure, etc.).

Sr. Solution Arch/technical Architect Consultant

Chubb/ACE - Insurance
11.2017 - 08.2018
  • Re-architected BizTalk WCF services to adapt to Duck Creek service model, optimized existing system performance, and integrated Claim Connect with various technologies (MainFrame, vb.net, c#.net, Duck Creek)
  • Cloud Migration Consolidation for Duck Creek components: Contributed to cloud migration strategy and implementation for Duck Creek components.

Solution Arch and Advisor

CVS Health
03.2017 - 11.2017
  • Improved performance and functionality of SilverScript Agent Portal and NEJE portal for MED- D, implemented new features, and designed a technical framework for a customer-facing commerce site.

Enterprise Architect, •Senior Solution Architect, •Technical Advisor, •Team Lead, •Senior Software Engineer

Accenture, GEICO, AT&T
01.2005 - 01.2017
  • All State, Travelers, , USPS, Accenture CIO apps for employees
  • Extensive experience in application architecture, design, development, and implementation: Expertise in diverse technologies (ASP.NET, MVC, C#, Web Services, SQL Server, Azure, Windows Services, REBAR, Duck Creek, Guidewire, etc.)
  • Led diverse teams, implemented agile methodologies, delivered many CIO projects and Client projects on time and within budget
  • Created a framework for Time and Expense for 50 different countries and Performance Evaluation framework for all employees
  • With sheer Optimization with Other consultants
  • Key Technologies: Cloud Integration (Scribe, EDI), Azure, AWS, GCP-Initial Dataflow,BizTalk, WCF, REST API, Duck Creek, ASP.NET, MVC, C#, REBAR, SQL Server, SharePoint, CMS, AngularJS, Twitter Bootstrap, Jenkins, EBI, SiteCore, CVS/Med D portals, Salesforce, ALM, Cruise Control, Raven, AT&T IPTV Advertising Infrastructure, Agile (Rally, Scrum), Web Services, .NET Framework, ADAMS Architecture Stack, Abacus HR/Demand Management Suite, TRW Automotive ROM Distribution/Nissan Automation.

Sutherland Global Services
02.2002 - 04.2005

Developer

Sapience Technologies
, India
02.2001 - 04.2002
  • Developed and contributed to various Windows/web-based products.

Faculty Member

NIIT, National Institute of Information Technology
, India
01.2001 - 02.2002
  • Taught Java applets and Oracle skills.

Software Engineer/Sr. Software Engineer

Keybank
01.2000
  • Moved all their VM’s to datacenter exit from On-Prem to Google cloud using latest GCVE (Google cloud VMware Engine) and make many integration and firewall rules for smooth lift and shift, as solution architect designed and integrated many application for smooth exit from data center to cloud
  • Legrand:
  • Legrand is a manufacturing company specializing in electrical and digital building infrastructures
  • Our North and Central American division is the largest component of Legrand worldwide with over 9,200 employees and product categories that span across residential and non-residential business markets
  • They wanted to build their existing pipeline ERP , SAP , Stibo and other Platform data into cloud using MS Fabric considering common data model for onboarding new application on fly for which they wanted a solution in MS Fabric which is new in marker
  • As Solution Architect analyzed their ERP System, SAP and Stibo step and Worked on MS fabric and connector’s and created a solution architect with POC to make sure the team will grasp and start implementing
  • Created many technical artifacts in configuring / Leveraging various services and How to
  • By exploring various features of MS Fabric and Migrating workloads for Vertex AI in GCP, Designed and implemented internal applications using VB, COM, COM+, VC++, Avaya gateway, ASP.NET, and SQL, integrated with CISCO VIA VC

Solution Architect & Leader

AI/ML Services
  • Engineered Scalable Data Pipelines: Designed and implemented data pipelines using [List specific tools/platforms like Airflow, AWS Kinesis, ETL, TLT etc.] to ingest, transform, and load data at high volume and velocity with various data platforms and services, ensuring data availability for diverse stakeholders
  • Reduced data processing time by [quantifiable percentage] by optimizing data ingestion pipelines
  • Mastered Data Modeling and Warehousing: Architected and maintained data warehouses on [Specific platforms like Snowflake, Redshift, etc.], employing dimensional modeling techniques to facilitate efficient data analysis
  • Successfully migrated a legacy data warehouse to the cloud, achieving [quantifiable improvements] in performance and cost reduction
  • Championed Data Quality and Governance: Implemented data quality checks and cleansing routines to ensure data accuracy and consistency
  • Adhered to strict data governance principles to maintain data security and compliance with regulations
  • Trained Various associates on Technology and Domain and played an SME in various technology / Data Engineering and Integration
  • Technical Pre-Sales experience
  • Technically Led cross-functional teams to execute strategic visions, resulting in 30% YoY growth for cloud solutions practices
  • Proven track record identifying and recruiting top visionary talent, with 90% retention rate for strategic hires
  • Successfully built and scaled three practice areas from concept to $10M+ annual revenue
  • With Sale team Developed innovative stakeholder influence frameworks that increased executive buy-in by 45%
  • Implemented data-driven methodologies for strategic decision-making, improving project ROI by 25% along with sales team
  • Managed complex, multi-region practice transformations while maintaining operational excellence
  • Passionate about fostering collaborative environments where visionary leaders can thrive and drive innovation
  • Demonstrated experience building relationships with C-suite and executive stakeholders across multiple industries
  • Cloud Services:
  • Migrated Legacy Infrastructure: Led in various migration Bare Metal, Lift and Shift and Refactoring with Application including modernization and data platform Consolidation to the cloud using [ GCP, AWS, Azure, etc.], resulting in quantifiable improvements in scalability, agility, and cost efficiency
  • Optimized Cloud Resources: Leveraged cloud platform cost management tools to optimize resource utilization and reduce cloud expenses
  • Proactively identified and implemented resource scaling strategies to maintain performance while minimizing cost
  • Embraced Infrastructure as Code: Championed the use of infrastructure as code tools like [Terraform, Ansible, etc.] to automate infrastructure provisioning and configuration, ensuring consistency and reproducibility across environments
  • Artificial Intelligence:
  • Integrated AI Models into Data Pipelines: Utilized Machine Learning libraries like [TensorFlow, PyTorch, etc.] to develop and integrate AI models within data pipelines for tasks like anomaly detection, forecasting, and sentiment analysis
  • Collaborated with Data Scientists: Worked closely with data scientists to understand business needs and translate them into effective AI solutions
  • Contributed to the development and deployment of AI models, fostering a cross-functional data- driven culture
  • Continuous Improvement: Continuously monitored and evaluated AI models, implementing retraining procedures to ensure optimal performance and adapt to evolving data patterns
  • With my various roles as Technical Associate director and Senior Application Architect with 19+ years’ experience my Key areas are in
  • Working in diverse industry with expertise in Communication, Digital, Retail, Insurance, Healthcare, Field Services, Auto, Shipping, Customer Care
  • Cloud & Tech Stack: Azure, GCP, AWS, AI/ML, Data Engineering, .NET, Java, Kubernetes, Integration Platforms
  • GenAI, : Crafted scalable, cost-effective solutions across cloud platforms
  • Led 50+ onshore/offshore teams in Agile delivery
  • Performance & Security: Skilled in troubleshooting, building high-availability architectures, and implementing app security
  • Ecommerce & Supply Chain: Designed modern solutions for drop shipping, social commerce, and efficient logistics
  • Innovation: Researched and adopted new technologies to enhance business value
  • Strong Communication & Teamwork: Effectively communicated vision, led technical teams, and fostered collaboration across departments., Azure Migrate: Assessment and migration tools for workloads
  • Azure Machine Learning: End-to-end platform for training, deploying, and managing
  • ML models
  • MS – Fabric
  • Deisgned and worked on the solution for ERP,SalesForce and Stibo steps
  • Google GCVE
  • Pland Design and Migrateed 320 VMs to GCP for scalable, reliable, and cost-effective cloud solutions
  • Led the team and assisted with infrastructure planning, application migration, and ongoing support and executed successful Migration
  • Azure App Service Migration Assistant: Streamline web app migration
  • Azure Cognitive Services: Pre-built AI services for vision, speech, language, and more
  • Azure Data Migration Assistant: Simplify database migration with automation
  • Azure AutoML: Automate the ML process for faster model creation and deployment
  • AWS Migration Hub: Centralized console for managing all migration activities
  • Amazon SageMaker: Build, train, and deploy machine learning models at scale
  • AWS Database Migration Service: Seamlessly migrate relational databases
  • Amazon Comprehend: NLP service for text and speech analysis
  • AWS Server Migration Service: Migrate on-premises servers with minimal downtime
  • Amazon Rekognition: Image and video analysis service for object detection, facial recognition, and more
  • GCP ,Data Flow, Cloud Spanner Replicator: Migrate relational databases to Cloud Spanner with high availability.

Vertex
  • AI: Unified platform for machine learning model development and deployment
  • Cloud Transfer Service: Securely transfer large amounts of data
  • Cloud Natural Language API: Analyze and understand text with NLP functionalities
  • Migrate for Anthos: Deploy and manage VMs on GCP and migrate on-premises workloads
  • Cloud AutoML: Automate the ML workflow for image, video, and text tasks
  • Cisco Interfaces
  • Vc++, C++,Python, Pyspark
  • DevOps: Jenkins, TFS, WIT Developer, JDE), SiteCore CMS, DOS batch, WMI, Azure Pipeline, AWS devops,Sonar Cube and MsBuild.

Technical Architect

Walgreens
  • Pharmacy:
  • Unified fragmented data landscape: Consolidated Teradata, Ab Initio, internal service scheduling, Business Objects, and Power BI onto a secure Azure, Databricks, and Snowflake cloud platform
  • Migrated from workloads from Azure to GCP for their existing GCP Platform
  • Enabled advanced pharmacy predictive analytics:
  • Developed Azure Machine Learning models for medication demand forecasting, optimizing inventory management and reducing stockouts
  • Improved patient care through personalized medication insights and adherence predictions
  • Streamlined data access and visualization: Transitioned reports to Azure Data Studio and Power BI Service, enhancing user experience and actionable insights
  • Increased data processing efficiency by 30%: Replaced Ab Initio pipelines with Databricks notebooks, reducing infrastructure costs and manual maintenance., : Developed cloud migration strategy and solution for auto-scaling, event-based scaling, and improved development productivity.

Cloud Migration Consultant

Roofing
  • Industry
  • Application Modernization: Led modernization and cloud migration for GAF, including dependency mapping, performance analysis, and cost optimization
  • GCP Migration: Migrated 4+ 2 simple and 2 complex applications to GCP /Azure using Compute Engine, Big Query, and other services
  • Later just 3 services is retained in GCP and rest in Azure
  • Data Analytics: Created deformalized Big Query schema for analytics and leveraged Google Cloud Platform for streaming data collection and integration
  • IoT & Event Streams: Designed and implemented Google Cloud IoT Hub-based data collection and event processing pipelines.

Education

MCA -

01.2001

B.A - English

Bharatiyar University
India
01.2000

Higher Diploma in Computer Application -

Aptech
India

Certificate in computing -

IGNOU
India

Post Graduate Diploma in Computer Application -

IGNOU
India

Skills

  • VC
  • C
  • JavaScript
  • Java
  • C#NET
  • Angular JS
  • NodeJS
  • Ruby on Rails
  • Duck Creek claims for Insurance
  • Astea Alliance
  • Traveler’s Insurance suite
  • SQLServer
  • MySQL
  • PostgreSQL
  • MongoDB
  • MS Fabric
  • GCP
  • Azure
  • AWS
  • Jenkins
  • TFS
  • WIT Developer
  • JDE
  • AZURE
  • AWS Devops Pipeline
  • GitHub
  • YAML
  • Python
  • Repository management
  • ICloud Foundry
  • Terraform
  • Automation pipeline
  • SolarWinds
  • Sonarqube
  • MS Build
  • Maven
  • Team city
  • Azure Dev ops
  • ER Studio
  • Microsoft Power BI
  • OLAP
  • SSRS
  • SSIS
  • Google Analytics
  • Sitecore CMS 8
  • DMS 20
  • SharePoint
  • AppDynamics
  • HP Diagnostics
  • Load Runner
  • ANT Profiling
  • SQL profiler
  • Professional ASPNET architect
  • SharePoint Web Dev
  • Technology-XML/XSLT
  • AJAX
  • SOA web services
  • Clickstream analytics tools
  • CSS
  • Bootstrap
  • Angular
  • Web API
  • MVC
  • Enterprise Architecture design
  • Web Services
  • WCF
  • SOAP
  • JSON
  • XML
  • XSL
  • XSLT
  • Path
  • HTML
  • JQuery
  • Node JS
  • C#
  • VBNET
  • Odata
  • MS Tools- VSTO
  • Office 365 implementation and integration
  • Oracle EBS
  • SQL
  • Oracle
  • SQL migration to cloud
  • Sitecore
  • WordPress
  • Drupal
  • Net PowerShell
  • Windows Scripting
  • WMI
  • NUnit
  • JUnit
  • Quality center
  • MSpec
  • Microsoft Active Directory
  • Federated security
  • App Security Cloud
  • OAUTH2
  • GenAI

Certification

  • Google Certified Professional Cloud Architect
  • Databricks Data Engineer Professional
  • AWS: Amazon Web Services Professional Certified
  • AZURE Certified Cloud Architect Professional
  • Certified Google Data Engineer Professional
  • Certified Scrum Master
  • Microsoft Certified Solution Developer
  • Microsoft Certified Application Developer
  • Microsoft Certified Professional
  • Microsoft Certified Professional Developer

Timeline

Architect/ Senior Lead technical, Cloud

Tata Consultancy Services
10.2021 - Current

Senior Cloud Architect

UPS
01.2020 - 07.2020

Consultant

GAF.com
09.2019 - 01.2020

Consultant, Cloud Strategy & Migration Analyst

Orange Insurance SUI, Edgesys
05.2019 - 06.2019

Integration, Delivery Lead

Astea International, Cloud Application
08.2018 - 02.2019

Sr. Solution Arch/technical Architect Consultant

Chubb/ACE - Insurance
11.2017 - 08.2018

Solution Arch and Advisor

CVS Health
03.2017 - 11.2017

Enterprise Architect, •Senior Solution Architect, •Technical Advisor, •Team Lead, •Senior Software Engineer

Accenture, GEICO, AT&T
01.2005 - 01.2017

Sutherland Global Services
02.2002 - 04.2005

Developer

Sapience Technologies
02.2001 - 04.2002

Faculty Member

NIIT, National Institute of Information Technology
01.2001 - 02.2002

Software Engineer/Sr. Software Engineer

Keybank
01.2000

Solution Architect & Leader

AI/ML Services

Vertex

Technical Architect

Walgreens

Cloud Migration Consultant

Roofing

MCA -

B.A - English

Bharatiyar University

Higher Diploma in Computer Application -

Aptech

Certificate in computing -

IGNOU

Post Graduate Diploma in Computer Application -

IGNOU

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HARIKRISHNAN RAJARAM