An overall professional experience of around 21 years in the areas of Active Directory, DNS, Security,Computer Hardware, Networking, Software Troubleshooting etc. in the field of IT.I have over 20 (Twenty) years of professional experience in the areas of Computer Hardware, Networking,Server configuration & maintenance, Teaching on Microsoft, Cisco & CompTIA Certification.Currently working as IT System Administrator since August 2017 (Posted at Siliguri) at Endeavour GlobalSchool (Siliguri). Designed, Configured and also Managing entire IT infrastructure, AD, DNS, Variousnetworking services, VPN and security.Configured and managing Online learning System using Google G-Suite (For Education) platform, bothInteractive Video class and Non- Interactive Google Classroom based since April 2020.Worked as Freelance Technical Support Engineer from March 2016 to July 2017 (Posted at Siliguri) & PartTime Faculty at George Telegraph Training Institute (Malbazar) from April 2017 to July 2017.Extensive experience in installation, administration and maintenance of Intel & AMD based computers including different types of hardware devices also solving the customer problems upon variously platform. Especially in the areas of Windows 2000/XP/ Windows7, Windows 10 & various application software.Extensive experience in installation, configuring and maintenance of LAN/WAN, analysis of network securityneeds, security and networked IT infrastructure.Configured & managed Windows Server 2012/2008/2003/2000 for AD, File & Print Server, Database Server,DNS, RRAS and IIS. Migration from Windows Server 2000 /2003 to Windows Server 2008 and Windows Server 2008 to Windows Server 2012 has been also performed.Configuring, managing & monitoring NAV (Symantec) server with Windows 2003 Server & Win XP environment. Taking care of the System Integration requirements during my tenure in CMS Computers Ltd.Actively handling, attending, monitoring & close the call/s through Wipro’s E-Helpline application.Configuration of Mail Clients such as, Microsoft Outlook, Outlook Express, Lotus Notes, MozillaThunderbirdPossess Good Listening, Interpersonal Skills as a Team Man with Positive Attitude.