Administering incident and change management tickets within ServiceNow. Overseeing device monitoring through the Nagios platform. Managing backups utilizing the Veritas tool. Supervising Windows servers (2012, 2016, 2019). Facilitating user ID creation in Active Directory. Administering file servers and assigning user permissions. Provisioning virtual machines on Hyper-V as required. Conducting backups of Cisco 2960, 3750, and Fortinet firewalls. Configuring VLANs on switches, performing IOS upgrades. Deploying patches and upgrading device firmware and IOS to address vulnerabilities. Maintaining and updating the inventory of devices (servers, switches, firewalls, routers) and tracking warranty and support renewal data.