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Hariharan Natarajan

I am a

I am a Cloud Solutions Architect based in Stockholm, Sweden, helping enterprises adopt cloud, Cybersecurity, and GenAI.

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20+ Years Experience 20X Certified 10+ Workshops Delivered

About Me

Professional background and key details

Hariharan Natarajan

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

Expertise

Core competencies and technical domains

Azure Public Cloud

Enterprise Landing Zone DesignApplication ArchitectureAzure Entra/ADAzure FunctionsAzure Logic AppsAzure DevOpsCI/CDData FactoryData LakeSynapseAzure DefenderAzure Security Center

AWS Public Cloud

Landing Zone DesignCloudFormationSecurity HubControl TowerAWS WAFIAMEC2EKSLambda

HashiCorp Tools

TerraformConsulVaultService MeshStatic SecretsDynamic Secrets

Infrastructure as Code

ARM TemplatesBicepsPowerShell ScriptsTerraform

DevOps & CI/CD

Azure DevOpsGitHubGitLabGitHub ActionsAutomation

FinOps & Cloud Economics

Cloud Cost AnalyticsCost OptimizationResource UtilizationBudget Management

SAP Expertise

SAP CRMSAP Hybris C4CSAP WorkflowABAP DevelopmentBOPFFunctional Consulting

Project Management

Agile Scrum MasterProduct OwnerPSM I & II CertifiedPSPO I & II CertifiedPrince 2 Agile FoundationMicrosoft ProjectRAID LogRACI Matrix

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 enterprise landing zone in Terraform IaC

LIVE

End to End Automation of Onboarding and offboarding process in Azure Enterprice landing zone.

TerraformAzureInfrastructure as Codepython

AI Chatbot for Azure security and compliance

Building

AI-Powered Portfolio Analysis & Optimization tool

Azure Foundation ModelsAzure OpenAIAzure Cognitive SearchAzure FunctionsPython

Services

What I offer

Cloud Architecture & Migration

Well-Architected reviews, migration roadmaps, landing zones, hybrid connectivity.

GenAI Adoption & Application Development

RAG, agentic AI, LLM deployment, AI governance, production GenAI apps.

Kubernetes & Container Strategy

EKS/OpenShift architecture, GitOps, service mesh, security, platform engineering.

FinOps & Cloud Economics

Rightsizing, reserved capacity, TCO modeling, cost governance.

Certifications

Professional credentials and achievements

🏆

Prince 2 Agile Foundation

Certified
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Professional Scrum Product Owner I

Certified
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Professional Scrum Product Owner II

Certified
🏆

Professional Scrum Master I

Certified
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Professional Scrum Master II

Certified
🏆

SAP Certified App Associate - CRM Fundamentals

Certified
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SAP Certified Dev Associate - SAP Workflow with SAP NetWeaver

Certified
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Azure Solution Architect Expert

Certified
🏆

Azure DevOps Engineer Expert

Certified
🏆

Azure Cybersecurity Expert

Certified
🏆

Azure Administrator Associate

Certified
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Azure Data Engineer Associate

Certified
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Azure Network Engineer Associate

Certified
🏆

Azure Security Engineer Associate

Certified
🏆

AWS Certified Solutions Architect

Certified
🏆

AWS Certified Sys-Ops Administrator

Certified
🏆

HashiCorp Certified: Terraform

Certified
🏆

HashiCorp Certified: Consul

Certified
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HashiCorp Certified: Vault

Certified
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FinOps Certified Practitioner

Certified

On Stage & In the Community

Sharing knowledge and industry insights

10+ Workshops Delivered
100+ Audience Reached
NordCloud Tech DaysAzure Community Sweden

Get In Touch

Let's have a real conversation

Email

sivahari@gmail.com

LinkedIn

Connect with me

Location

Stockholm, Sweden