Summary
Overview
Work History
Education
Skills
Certification
Accomplishments
Timeline
Generic
SUBRAMANI SUKUMAR

SUBRAMANI SUKUMAR

Technology Lead
Bangalore

Summary

Technology Lead with 12 years of experience in cloud and infrastructure, specializing in AWS and Windows IIS administration. Skilled in designing and deploying scalable, secure, and high-performance systems that support key business operations. Five years of onsite experience in Canada, working closely with clients to understand their needs and deliver practical, effective cloud and web solutions. Strong background in core AWS services and Windows-based web hosting environments. Past experience includes VMware virtualization and offshore data center management, supporting both on-premises and hybrid cloud infrastructures.

Overview

11
11
years of professional experience
3
3
Certifications

Work History

Technology Lead

Infosys Limited
01.2020 - 01.2025
  • Automated provisioning and scaling of AWS infrastructure (EC2, RDS, Elastic Beanstalk, EKS , S3 , IAM) using Terraform and CloudFormation templates in dedicated client AWS accounts.
  • Managed VPC networking (subnet, route table, NAT gateways , internet gateway) to ensure secure and optimized connectivity.
  • implemented security groups, NACLs & IAM policies to enforce least privilege access and strengthen security posture.
  • Deployed and managed Kubernetes workloads on AWS EKS , enabling microservices based deployment with improved scalability and resilience.
  • Administered RDS databases with multi AZ deployments , automated backup. Planned upgrade and migration activity.
  • Enabled CloudWatch dashboards & alarms for monitoring EC2, RDS and IIS hosted servers.
  • Implemented CloudTrail Logging and AWS config for audit readiness and compliance tracking.
  • Configuring, optimized and troubleshoot 500+ IIS web sites hosted across various version of windows servers, ensuring high availability and security for both internal and external application.
    • Maintainedntained and updated the CMDB to ensure accurate tracking of IIS servers, applications and its dependencies.
  • Migrated legacy IIS based apps to latest Windows server.
  • Integrated AppDynamics with IIS for application performance monitoring and root cause analysis.
  • Managed SSL certificate installation, and renewal for IIS-hosted web applications, ensuring secure HTTPS communication and 100% certificate uptime compliance.
  • Managed windows patching and IIS hardening using AWS systems manager patch manager and WSUS.
  • Driving technical discussion with stakeholders for web hosting.
  • Automated IIS and windows server task using PowerShell scripts on WASP(Web Automation and Scripting Portal).
  • Maintained and upgraded SSRS server across development, Staging, Production in multiple regions.
  • Led the migration of SSRS reports from SQL Server 2012 to 2019, including the configuration of SSRS security settings, folder structures, user roles, and data source connections.

Technology Analyst

Infosys Limited
05.2016 - 12.2019
  • Provisioned and managed AWS EC2, Elastic Beanstalk, RDS across production and non-production environments in dedicated client AWS accounts.
  • Implemented disaster recovery strategy for S3 buckets across multiple AWS regions.
  • Used Elastic Beanstalk to set up and run IIS-based web applications, connected to Auto Scaling Groups (ASG) for performance scaling and configured Load Balancer settings to manage traffic across instances.
  • Created and managed S3 buckets with lifecycle policies, versioning, and encryption to optimize storage and ensure data security.
  • Established secure access controls and identity management through AWS Identity and Access Management (IAM).
  • Monitored system performance using AWS CloudWatch and CloudTrail, and responded to incidents based on critical operational metrics.
  • Configured Elastic Load Balancers (ELB) and Application Load Balancers (ALB) for IIS applications hosted across multiple EC2 availability zones.
  • Deployed and administered Active Directory domains, including management of domain controllers, user accounts, Group Policies, and DNS/DHCP services.
  • Conducted quarterly audits of IAM and AD users; reported findings to team managers for account cleanup and access reviews.
  • Configured and managed IIS applications hosted on Windows Servers, including troubleshooting of hosting and connectivity issues.prepared SOPs and technical documentation for IIS operations , deployments and service requests.
  • Handled ticket queues(incident, service requests, change requests) with SLA compliance.

IMS Executive

ArisGlobal Software Pvt. Ltd.
Bengaluru
09.2013 - 04.2016
  • Managed internal data center monitoring and maintenance activities to ensure system reliability.
  • Installed, configured, and administered VMware ESXi versions 5, 5.5, and 6, along with VMware vSphere Client for virtualization tasks.
  • Set up VMware vCenter on Windows Server 2008 R2 and 2012 R2, and added ESXi hosts for centralized management.
  • Created and configured Windows and Linux virtual machines for various operational needs.
  • Monitored and maintained multi-vendor server hardware to ensure consistent performance.
  • Planned and executed upgrades from VMware ESXi 5/5.5 to ESXi 6.
  • Used vRealize Operations Manager to monitor ESXi server performance and generate reports via email.
  • Performed Physical to Virtual (P2V) conversions using VMware Converter to optimize resource utilization.

Education

Bachelor of Technology - Information Technology

01.2012

Skills

AWS: VPC, EKS, ECS / ECR , CloudFormation, EC2, S3 , IAM, RDS, Elastic Beanstalk, AWS LB , CloudWatch , CloudTrail, Athena & glue for s3 logs analysis, AWS Batch job, AWS SM patch manager, Trusted Advisor Tag Editor

Windows platform: IIS 8/10 , Active directory, DNS , DHCP , WSUS (Window server update service), SSRS, Windows server 2012/2016/2019/2022

Ticketing Tools: HP service center, Service Manager, Service now

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Certification

HashiCorp Certified: Terraform Associate (003)

Accomplishments

  • Received Insta Award (star of a team) for core activities in AWS-WBS project
  • Received Insta award(star of a team) for web engineering project.
  • Received Best Performer Award (2014) from the CEO of Arisglobal Software Pvt. Ltd. for successfully implementing Virtual Desktop Infrastructure (VDI) for the Training department.

Timeline

Technology Lead

Infosys Limited
01.2020 - 01.2025

Technology Analyst

Infosys Limited
05.2016 - 12.2019

IMS Executive

ArisGlobal Software Pvt. Ltd.
09.2013 - 04.2016

Bachelor of Technology - Information Technology

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