• Administrating and maintaining Microsoft Windows server OS 2019/2016/2012/2008.• Administrating and maintaining Microsoft Exchange 2016/2010/2003).• Manage the physical and virtual environment (Hyper-V and VMware)• Manage Active Directory, Microsoft Exchange, and server and workstations patches • Manage end-user accounts, permissions, access rights, and storage allocations by best-practices• Anticipate, mitigate, identify, troubleshoot, and correct hardware and software issues on servers and workstations.• Secure the network by using Meraki, open system, and Fortinet firewalls. Not to allow users to access restricted sites and to secure the data from viruses and outside attacks.• Managing the console of Trend Micro antivirus server and Avast Antivirus server and making policies according to the requisition.• Basic Knowledge of SQL server 2012 and making scripts for backup security permissions and other processes. Strategic implementation of backup• Managing the overall administration of the LAN System involving configuration and maintenance of Application servers, databases and Windows servers.• Providing support for issues related to Exchange Server 2016/2010/2003 and troubleshooting the mail flow issue• Managing Veeam Backup software for daily, weekly, monthly, and quarterly Server Backup.• Handling Escalation calls and emails as per the client's requirement.• Monitoring the overall functioning of processes, identifying improvement areas, and implementing adequate measures to maximize the client’s satisfaction level.• Providing support for L-3 escalation from 270 offices.• Raising Requests in Service Now, troubleshooting assigned tickets, and making sure issues get resolve within SLA & generate daily call reports for management.• Troubleshooting of hardware & software and network-related issues. • Manage the calls Management system Service Now for call assignment to respective IT support