Hi, I'm Ismail Hossain. Professional Network and System Administrator. To Installing, Configuring, Repairing, and Maintaining Windows Server, Storage Device, Printer, Laptop, Desktop Computer, Network Device, Scanner and UPS. Certified Computer Hardware & Operating System from Cisco. I have experience to handle Windows 2016/2019/2022/2025 based Active Directory Domain, File Server, Print Server, FTP Server, Antivirus Server, OS Update Server, IPAM Server, SFTP Server, SIEM Server, Remote Access Server, DNS Server, DHCP Server, NTP Server , IIS Server, Nessus Server Network Monitor, group policy and Dynamic access control. Configuring and Troubleshooting Windows server 16/29/22/2025 based mail servers, Configuring POP and IMAP server for mail delivery, Web based mail access system. Configuring Mikrotik, Cisco Router, Switch etc. Expertise on static or different Routing Protocol such as RIP, RIPv2, EIGRP, OSPF and BGP. However, I'm expertise in Cybersecurity and Ethical Hacking. Certified Network Support & Security, Cybersecurity from CISCO. I have expertise on secure virtualization to handle Hyper-V, VMware, VMware V-center, VMware V-Sphere, VMware ESXi, Virtual Box Etc. Furthermore, I'm ready to take on any challenging task that will match my profile and experience. I hope you won't be disappointed.