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SYSTEM ADMINISTRATOR

Specializing in server infrastructure, virtualization, cloud environments, and enterprise IT support.

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Portrait of Gurumoorthi

Enterprise Server Administration

Secure Cloud Architecture (AWS)

Hybrid IT Infrastructure Operations

About Me

I am a System Administrator passionate about maintaining secure, reliable, and high-performance IT infrastructure. I specialize in managing Windows and Linux servers, user access control, network configurations, system monitoring, and enterprise troubleshooting

I have hands-on experience supporting large user environments, resolving critical incidents, managing backups, implementing security policies, and ensuring maximum system uptime. I focus on stability, performance optimization, and seamless IT operations for organizations.

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Skills

A glimpse into my technical toolbox and cloud expertise.

System Administration

  • Windows Server
  • Linux Admin
  • User Access
  • Group Policy
  • Networking
  • IT procurement
  • Server Support

Cloud (AWS)

  • EC2
  • VPC
  • S3
  • RDS
  • Route53
  • CloudFront
  • ALB
  • ASG

Tools and Platforms

  • VMware
  • Hyper-V
  • M365 Admin
  • Ticketing Tools
  • PowerShell

Security

  • Patch Mgmt
  • Antivirus
  • Firewall
  • Access control
  • Data Backup
  • Log Monitoring

./Work_Experience

user@taurusquest:~

$ System Administrator

TAURUSQUEST GLOBAL SERVICES – Alwarpet
// May 2023 – Present
  • Managed the entire office IT infrastructure independently as a solo System Administrator.
  • Administered Windows and Linux servers, including Active Directory, Group Policies, DNS, DHCP, and Exchange.
  • Handle full user lifecycle management (onboarding, offboarding, access changes) using RBAC principles.
  • Supported a hybrid environment (on-premises + cloud), ensuring seamless integration and availability.
  • Designed, configured, and monitored AWS services including EC2, S3, IAM, VPC, and Route 53 with focus on reliability and cost efficiency.
  • Manage VPNs, firewall rules, and access controls to ensure secure connectivity
  • Administered M365 (Exchange Online, SharePoint, Teams) and provided technical support to users.
  • Perform regular patching, monitoring, and health checks to maintain high availability and prevent incidents.
  • Provided end-to-end IT support for hardware, software, and network issues across the organization
  • Create and maintain SOPs, IT documentation, and operational workflows
  • Managed IT assets, including inventory tracking, deployment, and maintenance
  • Handle IT procurement and vendor management including hardware, software, and licensing.
user@chennaipublishing:~

$ IT Support Engineer

CHENNAI PUBLISHING SERVICES – Velachery
// August 2020 – May 2023
  • Managed and supported 100+ devices and servers with 99.9% uptime.
  • Optimized system and application performance through regular updates, patching, and upgrades on both local systems and AWS EC2 instances, reducing downtime.
  • Managed user accounts, groups, and permissions in Active Directory, and aligned access control with AWS IAM for cloud resources where required.
  • Enhanced system performance by proactively troubleshooting and resolving software, hardware, and network issues.
  • Performed installation and upgrade of operating systems and computer software efficiently.
  • Managed installation and maintenance of computer hardware and peripherals.
  • Monitored system health and logs using CloudWatch metrics and logs to identify and respond to issues early.
  • Managed inventory of IT assets, including hardware components and software licenses, maintaining accurate records and ensuring compliance

Featured Projects

3-Tier Web Application on AWS

Designed and deployed a secure, scalable & fault-tolerant 3-tier application architecture on AWS.

  • Implemented public and private subnets, Application Load Balancer, Auto Scaling, and RDS in a Multi-AZ setup.
  • Focused on high availability, network isolation, security & cost-efficiency.
AWS Terraform Linux GitHub

Static Portfolio Website (S3 + CloudFront)

Built and hosted a fully responsive static portfolio website using S3 and CloudFront.

  • Configured custom domain with Route53 & SSL using AWS Certificate Manager.
  • Enabled edge caching for faster global delivery.
AWS S3 CloudFront Route53 ACM GitHub

Get In Touch

Let's Connect 🚀

Actively seeking System Administrator / IT Infrastructure roles where I can manage enterprise systems, ensure high availability, and support secure IT operations.