Summary
Overview
Work History
Education
Skills
Certification
Languages
Timeline
Generic

HARENI THULASIDASAN

Bangalore

Summary

Cloud and Infrastructure Engineer with 9.5+ years of experience in managing, automating, and securing enterprise cloud and hybrid environments. Proven expertise in AWS, Azure, Linux administration, and Infrastructure as Code (Terraform). Currently supporting global IoT-based Remote Asset Monitoring systems at Caterpillar, with a strong focus on security, patching, upgrades, and platform support. Actively upskilling in AWS Solutions Architect, Kubernetes, and SRE practices. Seeking to drive scalable, reliable, and secure infrastructure solutions in high-impact tech environments.

Overview

10
10
years of professional experience
1
1
Certification

Work History

Infrastructure Engineer – Remote Asset Monitoring (RAM)

CATERPILLAR
Bangalore
05.2023 - Current
  • Lead patching and security hardening initiatives for ThingWorx and supporting infrastructure across global environments
  • Perform vulnerability assessments and coordinate remediation across cloud and on-prem platforms
  • Support ThingWorx platform upgrades, performance tuning, and root cause analysis
  • Maintain and enforce security compliance, backup policies, and monitoring integrations
  • Collaborate with internal teams and product owners for platform stability and incident resolution
  • Planned the retirement of RAM (Remote Asset Monitoring) and its migration to VisionLink (VL); created a detailed waterfall plan and coordinated cross-functional inputs via Confluence to ensure a smooth transition.
  • Worked on RADWARE and CWAF
  • Worked on stretch assignments that include security like Azure tagging of resources

Cloud Architect & System Administrator

Tata Consultancy Services (TCS)
06.2021 - 05.2023
  • Designed and managed end-to-end Azure and AWS infrastructure for multiple enterprise clients
  • Managed cloud migrations, role-based access, backup/restore policies, and cost optimization
  • Automated deployments using Terraform, CLI scripting (Bash/PowerShell), and ARM templates
  • Deployed and managed VMs, virtual networks, storage, ASR, Key Vault, App Gateway, WAF, and NSGs
  • Supported hybrid connectivity (S2S VPN) and bastion access

Technology Analyst – Infra & Linux Administrator

Infosys
Bangalore
12.2015 - 06.2021
  • Managed enterprise Linux environments (RedHat, AIX, SUSE) and Windows systems
  • Performed OS hardening, logical volume management, patching, and performance tuning
  • Provisioned VMware-based virtual machines and worked with satellite server automation
  • Supported high-availability environments for clients like Cisco, Citizens Bank, Bayer, and more

Education

B.E. - Electronics and Communication Engineering

Sethu Institute of Technology
05.2015

Skills

  • Azure (ARM, ASR, NSG, Key Vault)
  • AWS (IAM, EC2, S3, VPC, Route53, CloudFormation)
  • Linux (RedHat, SUSE)
  • Windows
  • VMware ESXi
  • ThingWorx IoT
  • Terraform
  • Azure CLI
  • AWS CLI
  • PowerShell
  • Bash
  • Patching
  • Vulnerability Management
  • Azure Firewall
  • WAF
  • OS Hardening
  • Azure DevOps
  • Azure Log Analytics
  • Automation Runbooks
  • VPN
  • Virtual Networks
  • Subnets
  • NSGs
  • Application Gateway
  • RADWARE

Certification

  • Microsoft AZ-104 – Azure Administrator Associate, 2022
  • AWS Certified Solutions Architect – Associate, In Progress
  • Kubernetes & Site Reliability Engineering (SRE) Training, Ongoing

Languages

  • English
  • Tamil
  • Malayalam
  • Hindi

Timeline

Infrastructure Engineer – Remote Asset Monitoring (RAM)

CATERPILLAR
05.2023 - Current

Cloud Architect & System Administrator

Tata Consultancy Services (TCS)
06.2021 - 05.2023

Technology Analyst – Infra & Linux Administrator

Infosys
12.2015 - 06.2021

B.E. - Electronics and Communication Engineering

Sethu Institute of Technology

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