As an Assistant System Engineer:Duties/Responsibilities:• Installation, Configuration, Administration, and troubleshooting of Windows Server 2012 r2, 2016, 2019 & 2022 • Deployment, Configuration, Administration, and troubleshooting of Exchange server 2013, 2016 and 2019.• Installation, Configuration, Administration, and troubleshooting of Witness Server.• Deployment, Administration, and troubleshooting of on-premises Exchange server with Hybrid Exchange.• Deployment, Administration, and troubleshooting of Microsoft 365/ Office 365.• Deployment and Administration of Microsoft endpoint configuration manager (MECM/SCCM).• Deployment, Administration, and troubleshooting of Virtualization Platforms like Hyper-V.• Barracuda Email Security Gateway implements and Support.• Install and Configure SSL ( DigiCert, Commodo) for Mail and Web Server.As a Network & System Executive:Duties/Responsibilities:. Installation & maintenance server.. Configuring & Maintenance ADDS, ADUC, DHCP, DNS, GPO, WDS, WSUS.. Maintenance Zimbra Mail Server.. Working with Azure , Office 365, Exchange Server and so on.. Configuring and troubleshoot Outlook system.. Maintenance IIS Server.. Maintenance Mikrotik router.. Configuring & Maintenance Router, switch.. Maintain & configuring CCTV system.. Setup access control system (Zkteco,Hundure).. Troubleshoot hardware, software & internet.. Maintaining Desktop & server infrastructure.. Installing, configuring, and maintenance computer (Desktop/Laptop) hardware, software, systems, networks, printers,scanners, and other IT appliances.. Troubleshoot & configuring virtual meetings like Zoom, Google Meet, MS Teams, Webex, etc.. Retrieving lost data from the storage device.. Analyze user requirements & recommend Appropriate system & hardware.