IT Network & Systems Administrator (Senior)

Senior IT Network & Systems AdministratorSeeking a Senior Network & Systems AdministratorA government security organization is seeking a highly skilled Senior IT Network & Systems Administrator with extensive experience in infrastructure, networking, and information security. This role involves working in a sophisticated, sensitive, and mission-critical technological environment.Position Overview:Full responsibility for the organizations network, communication systems, servers, virtualization platforms, and security products. The role includes system maintenance, implementation, troubleshooting complex issues, developing infrastructure solutions, and providing independent technical leadership.Requirements:5+ years of hands-on experience in IT infrastructure, networking, and system administration.Networking & Communications:Experience with networking components and protocols: switches, routers, and monitoring systems.Strong capabilities in implementation, maintenance, and deep understanding of network behavior.Information Security:Experience with F5, Firewall, DLP, Antivirus, NAC.Configuration, deployment, rule creation, log analysis, traffic analysis, and system hardening.Operating Systems:Experience with Windows OS: upgrades, support, maintenance, troubleshooting.Knowledge in Active Directory, Windows Server, AD.Linux experience is an advantage.Virtualization & Infrastructure:Experience with Hyper-V, vCenter, ESXi.Setting up, managing, and maintaining VMs and servers.Hardware & End-User Systems:Experience with computer hardware troubleshooting, component replacement, software installation, antivirus, etc.Personal Qualities:High level of initiative and responsibility.Ability to work independently and manage multiple infrastructure domains.Ability to work in a sensitive and complex environment.