Subash Mariyappan
Chennai
Summary
Dynamic System Engineer with extensive experience at ARGA Investment Management, adept in managing Active Directory and implementing Azure DevOps CI/CD pipelines. Proven ability to enhance network security and optimize system performance. Skilled in PowerShell automation and effective cross-functional collaboration, ensuring seamless IT operations and user support.
Overview
6
6
years of professional experience
1
1
Certification
Work History
System Engineer
ARGA Investment Management (India) Pvt Ltd
Chennai
02.2021 - Current
- Managed Active Directory for users, computers, groups, and group policies.
- Performed Windows patch updates across all user machines and servers.
- Maintained and upgraded firewall firmware for enhanced network protection.
- Followed the Azure disaster recovery drill process for business continuity.
- Managed database backups and restores to ensure data integrity.
- Installed and configured new laptops, PCs, and servers.
- Monitored firewall activity using Fastvue and server performance using Everest IMS.
- Managed antivirus policies for all users and servers.
- Handled Microsoft 365 user and group creation, mailbox management, and email restriction policies.
- Resolved network vulnerability issues using the Drawbridge portal.
- Monitored and maintained access points and network switches.
- Coordinated with vendors - SonicWall, Cisco, Bitdefender, and Microsoft - for issue resolution.
- Maintained up-to-date IT asset inventory.
- Managed user support requests through the Service Desk ticketing system.
- Designed, built, and deployed CI/CD pipelines in Azure DevOps.
- Configured automated build notifications and scheduled deployments.
- Performed MySQL and LiveVault backup/restore operations.
- Automated server-to-server file transfers using PowerShell.
- Conducted network file audits using AD Audit Plus.
- Implemented SSO (Single Sign-On) via Active Directory integration.
- Collaborated with cross-functional teams through Jira for task and request management.
Junior System Administrator
Seventhsense Technologies Pvt Ltd
Chennai
12.2019 - 03.2020
- Managed systems and servers, providing technical support to users.
- Created and deployed Docker containers for development environments.
- Ensured system uptime and optimized hardware resource allocation.
Education
Master of Science - Computer Science
Bishop Heber College
Tiruchirappalli 04-2019
Bachelor of Science - Computer Science
Bishop Heber College
Tiruchirappalli06-2017
Skills
- Active Directory
- Microsoft 365
- SonicWall Firewall
- Cisco Switches
- Meraki access points
- VPN
- Fastvue
- Everest IMS
- PowerShell
- Bash
- Drawbridge Portal
- Antivirus Policy Management
- Windows Server 2019
- Windows 10
- Windows 11
- Ubuntu
- Microsoft Azure
- AWS
- Azure DevOps
- Azure Pipelines
- Git
- Azure Repos
- Docker
Certification
- Azure DevOps Engineer, Greens Technology, 05/01/24
- AZ-900: Microsoft Azure Fundamentals, Microsoft, 10/01/22
- Cloud Infrastructure Engineer, RJP Infotek Pvt Ltd, 09/01/19
Core Skills
Windows Server 2019, Windows 10/11, Ubuntu, Microsoft Azure, AWS, Azure DevOps, Azure Pipelines, Git, Azure Repos, Docker, SonicWall Firewall, Cisco Switches, Meraki Access Points, VPN, Fastvue, Everest IMS, PowerShell, Bash, Drawbridge Portal, Antivirus Policy Management, Active Directory, Microsoft 365
Timeline
System Engineer
ARGA Investment Management (India) Pvt Ltd
02.2021 - Current
Junior System Administrator
Seventhsense Technologies Pvt Ltd
12.2019 - 03.2020
Master of Science - Computer Science
Bishop Heber College
Bachelor of Science - Computer Science
Bishop Heber College
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