Biswajit Mondal

Network System Administrator

IT Force • Full time

Mar 2019 - Present • 7 yrs 4 mos

• Installed and maintained physical & virtual servers in Windows and Linux environments. • Administered Active Directory, DNS, DHCP, and VPN services. • Designed and supported LAN/WAN network infrastructure using copper & fiber. • Managed SAN/NAS storage solutions. • Implemented IT security through firewalls, permissions, and encryption. • Managed virtualization platforms including Hyper-V and VMware. • Monitored system performance and ensured operational reliability. • Maintained Oracle & MySQL databases. • Provided hardware and software troubleshooting support. • Managed HR payroll database including employee updates and records. • Provided onsite and remote IT support for desktops, laptops, printers, and mobile devices. • Installed, configured, and troubleshot Windows 10/11 and Linux systems. • Managed Active Directory, DNS, DHCP, Microsoft 365, and VPN services. • Diagnosed and resolved hardware, software, and network issues. • Performed IMAC (Install, Move, Add, Change) activities for IT equipment. • Supported VMware, Cisco, and MikroTik infrastructure. • Managed IT assets, user data backup, restoration, and migration. • Logged, tracked, and resolved incidents using an IT ticketing system. • Maintained technical documentation and ensured SLA compliance. • Delivered excellent customer service while supporting end users across the organization. • Diagnosed and resolved hardware, software, and network issues locally and remotely.