Sajjan Singh

WINDOWS SYSTEM ADMIN L3

ZNET INDIA

01.2010 - 04.2024

Providing technical support for data and applications to clients
Suggesting improvements in the operations and processes to make the system surefire
Backup through Acronis Software
Administration of Hyper-V infrastructure
Maintaining data backup of Windows servers on regular basis through Acronis backup
Checking all the drives to ensure adequate free space, application, security, system log for warnings and error messages and taking appropriate action as per site's standard operating procedures
Managing Servers through KVM VoIP for console access
Server Management and Migrations: IIS/DNS/Smarter Mail Server/MySQL & MS SQL Servers (2005/2008/2012/2014/2016/2017/2019/2022)
Microsoft Hyper-V Management Installation, Configuration, Troubleshooting, Virtual Network Settings
Analyzing system logs for application, security, failed login attempts on SQL Server and Windows Login
Windows Updates and Patch Management
Keeping Servers Up, Server Performance/Health checking for CPU, RAM, Bandwidth Utilization
Monitoring Mail Servers for Spam/Mass Mailing/Spoofed Mails, Tracking and blocking malicious activities on Mail Server
Team management
Keeping Server Security UP through Windows Firewall Rules and Policies Management, by blocking IPs, websites, users etc. Tracking IPs of system for hacked attempt done on server, closing open ports and Server Customization
Troubleshooting Protocols related issue: SMTP, HTTP, FTP, IMAP, POP
Handling Client's Day to day technical queries via support ticket CMS like Kayako, WHMCS, RackNap
Management of Website Management Portals like: Website Panel, Plesk Panel, MSP Panel
Basic experience on Microsoft Azure, AWS