Senior System Engineer (Jun, 2012
–Jun, 2021) at Shifa international Hospital Islamabad
● Maintain Internet Access Management server perform user-based authentication through IAM server.
● Configure and maintain Pfsense, Perform MAC based authentication on DHCP servers.
● Configure and maintain switches configure Multiple Vlans and inter Vlan routing, failover cluster between switches.
● Failover cluster deployment, management, and backups of cluster components.
● Deploy and maintain Iscsi storage solution and manage VHDs of Iscsi.
● I am working in a hybrid environment i.e Cloud services, Windows active directory, exchange server 2016, Linux Redhat, Cisco, Pfsense, Vmware, Wifi network and I am well experienced to deploy, troubleshoot and manage this hybrid network.
● Experience administering an enterprise windows environment using services such as Active Directory, Group Policy, DNS, DHCP, FTP, WDS, Backup management, Power shell scripting and CSV files.
● Experience in Scripting such as power shell, Linux shell and azure Scripting.
● Exchange server 2013/2016 and 2019.
● Deployment, configuring send/receive connectors, managing database of exchange, SSL certs, DB management, deploy storage solution, taking exchange backups, configure high availability and disaster recovery in exchange, Migrate exchange server from older versions to newer.
● Configure and maintain Certificate authority (CA) and Federation Services ADFS Single sign on (SSO).
● Experience engineering and administering virtualization environments such as Hyper-V, Esxi VSphere.
● Experience in Managing Azure cloud VMs, schedule VM resources according to traffic, configure load balancer on VMs.