Hariharan Natarajan

About Me

Professional background and key details

Hari has 20+ years of IT experience including Analysis, Design, Architecture, Development of ERP and Cloud solutions. He has vast experience of Azure, AWS Public cloud and SAP. He has previously filled roles as senior Project manager, Scrum Master, Product Owner, Security architect and Lead solution architect. He has previously led globally distributed Cloud team with up to 30 Cloud Engg and Architect. He has a long background from SAP & public Cloud Architecture for Telia, Ericsson, H&M, Sandvik, Mersk, SAP AG, Jaguar, Commonwealth Bank and AGL.

Location

Stockholm, Sweden

Languages

English, Swedish-Basic, Tamil

Education

B.E. Computer Science

Currently Building

Azure enterprice landing zone and Cybersecurity tool

✉ sivahari@gmail.com 📱 +46 763134148 💼 LinkedIn

Experience

Professional journey and roles

Lead Solution and Cybersecurity Architect

Capgemini Engg AB (Client: Telia)

MAY 2024 – Till Now

Azure and AWS Public Cloud - Design and implement Azure Landing Zone Architecture, Azure Entra Identity Management, NIS2/ISO/PCI-DSS Cybersecurity compliance, Azure Defender and NIST initiatives. AWS CloudFormation templates, Security Hub, Control Tower, WAF implementation. AI Chatbot POC for Landing Zone.

Lead Architect & Cloud Advisor

NordCloud Sweden AB (Client: Ericsson)

AUG 2021 – MAY 2024

Azure and AWS Public Cloud - Designed Azure Landing Zone with Entra/AD and PIM for global and China regions. Azure SSO sync with legacy AD. Coordinated product deliverables. AWS Landing Zone design with IAC templates for 10+ applications (EKS, EC2, Lambda). Security Hub and Control Tower implementation.

Cloud Transformation Architect

NordCloud Sweden AB (Client: Sandvik)

AUG 2022 – May 2024

Designed Active Directory, PIM, Monitoring, Patching and Backup solutions in Azure. Cloud transition strategy and roadmaps for Azure/AWS. Network and security landscape review. Data encryption and masking strategy for sensitive information.

Solution Architect

NordCloud Sweden AB (Client: H&M)

JAN 2022 – AUG 2022

Designed internal applications in Azure. Infrastructure as Code (Terraform) design and implementation. Mentored Cloud Engineers on Azure and Terraform.

Lead Architect & Product Owner

TATA Consultancy Services (Client: Ericsson)

OCT 2019 – JULY 2021

Agile coach and product owner for API factory and Common Cloud Service teams. Azure infrastructure modules and API application delivery. Designed Terraform IAC templates. Direct savings of 1.5M SEK/year in licensing.

Agile Project Manager

TATA Consultancy Services (Client: MERSK – APM Terminals)

MAY 2019 – OCT 2019

Project planning for IFS 10.0 Upgrade using Microsoft Project Professional. Resource management across work streams. RAID Log and RACI Matrix creation.

SAP Architect, Onsite Lead & Scrum Master

TATA Consultancy Services (Client: H&M, AGL, Kingfisher IT Services)

JULY 2016 – MAY 2019

Onsite coordinator for SAP CRM Marketing team. CLUB rollout, refactoring execution and planning. Customer information separation and Digital Receipt solution design.

SAP Hybris C4C CRM/SD Consultant & Scrum Master

TATA Consultancy Services (Client: Apple, Commonwealth Bank, Ashok Leyland, Jaguar Land Rover)

OCT 2008 – JULY 2016

SAP Hybris integration with SAP CRM. Technical team leadership and deliverable ownership. ODATA Interface design for SAP CRM opportunity screen with video conferencing.

SAP BOPF ABAP Developer

TATA Consultancy Services (Client: SAP AG)

OCT 2007 – OCT 2008

Developed three business objects in OOPS ABAP under Service Provider Cockpit work center of BYD project.

SAP Workflow Architect

L&T Infotech (Client: SAP AG)

FEB 2007 – OCT 2007

Designed workflow processes for electronic review and approvals in Non-Employee Personnel Change Request (PCR) scenarios in MSS.

SAP ABAP Developer

HCL Technology (Client: Mattson)

MAR 2005 – FEB 2007

Provided ABAP/4 support in the rollout and support of SAP R/3.

Building Tomorrow, Today

Real-world applications and innovative solutions

Azure Landing Zone Vending (Terraform)

LIVE

Terraform codebase implementing Azure Landing Zones per the Cloud Adoption Framework (CAF), automating subscription vending and onboarding/offboarding across sandbox, development, stage, and production environments.

TerraformHCLAzureShellInfrastructure as Code

AI Chatbot for Azure security and compliance

Building

AI-Powered Portfolio Analysis & Optimization tool

Azure Foundation ModelsAzure OpenAIAzure Cognitive SearchAzure FunctionsPython

Cybersecurity Tool

Open-source network security toolkit built with Scapy — network/port scanning, real-time packet analysis, ARP spoofing detection, and DDoS (SYN flood) detection.

PythonScapyJavaScriptFlaskDocker

Azure AI Landing Zones

LIVE

Deployment automation built on Microsoft's official Azure AI Landing Zone reference architecture — added a Terraform-based GitOps CI/CD pipeline for deploying secure, resilient AI Apps & Agents workloads (Azure AI Foundry, APIM as AI Gateway), with per-subscription remote state, OIDC auth to Entra ID, and environment-gated approvals.

TerraformAzure AI FoundryGitHub ActionsPythonAzure API ManagementEntra ID (OIDC)

Plant Doctor

LIVE

A mobile-first web app that identifies plants from photos and provides personalised nutritional recommendations — no API key, no sign-up, no server required.

JavaScriptHTMLCSS

View on GitHub →

ARM MCP Server — Azure AI Foundry Agent

Custom Python Model Context Protocol (MCP) server exposing Azure Resource Manager tools to an Azure AI Foundry agent, deployed as an Azure Container App with Entra ID authentication.

PythonMCPAzure Container AppsTerraformEntra ID

View on GitHub →

Real-Time Object Detection App

Location

Languages

Education

Currently Building

Expertise

Azure Public Cloud

AWS Public Cloud

HashiCorp Tools

Infrastructure as Code

DevOps & CI/CD

FinOps & Cloud Economics

SAP Expertise

Project Management

Experience

Lead Solution and Cybersecurity Architect

Lead Architect & Cloud Advisor

Cloud Transformation Architect

Solution Architect

Lead Architect & Product Owner

Agile Project Manager

SAP Architect, Onsite Lead & Scrum Master

SAP Hybris C4C CRM/SD Consultant & Scrum Master

SAP BOPF ABAP Developer

SAP Workflow Architect

SAP ABAP Developer

Building Tomorrow, Today

Azure Landing Zone Vending (Terraform)

AI Chatbot for Azure security and compliance

Cybersecurity Tool

Azure AI Landing Zones

Plant Doctor

ARM MCP Server — Azure AI Foundry Agent

Real-Time Object Detection App

Services

Cloud Architecture & Migration

GenAI Adoption & Application Development

Kubernetes & Container Strategy

FinOps & Cloud Economics

Certifications

Prince 2 Agile Foundation

Professional Scrum Product Owner I

Professional Scrum Product Owner II

Professional Scrum Master I

Professional Scrum Master II

SAP Certified App Associate - CRM Fundamentals

SAP Certified Dev Associate - SAP Workflow with SAP NetWeaver

Azure Solution Architect Expert

Azure DevOps Engineer Expert

Azure Cybersecurity Expert

Azure Administrator Associate

Azure Data Engineer Associate

Azure Network Engineer Associate

Azure Security Engineer Associate

AWS Certified Solutions Architect

AWS Certified Sys-Ops Administrator

HashiCorp Certified: Terraform

HashiCorp Certified: Consul

HashiCorp Certified: Vault

FinOps Certified Practitioner

On Stage & In the Community

Get In Touch

Email

LinkedIn

Location