Network & IT Infrastructure Administrator

Network & IT Infrastructure Administrator $70K-100K DOE Location: LA, CA Onsite/ Full time / DH We are seeking a proactive and technically skilled Network & IT Infrastructure Administrator to support our Los Angeles office and regional business operations. This position is responsible for maintaining network infrastructure, supporting approximately 200 users across office and warehouse environments, and ensuring stable IT operations. The ideal candidate will possess strong networking knowledge, hands-on IT support experience, and the ability to work independently while collaborating with internal teams, vendors, and business stakeholders. Main Responsibilities 1. Network Infrastructure Administration •Manage, monitor, and maintain LAN/WAN, wireless, VPN, and network security environments. •Configure and support network devices including routers, switches, firewalls, and wireless access points. •Troubleshoot network connectivity, performance, routing, switching, and wireless issues. •Support network upgrades, expansions, and infrastructure improvement projects. •Maintain network documentation, diagrams, standards, and operational procedures. •Coordinate with carriers, vendors, and service providers for issue resolution and implementation activities. •Assist with network security administration including firewall policies, VPN access, and access control management. 2. IT Infrastructure & Systems Support •Support Windows-based infrastructure, Active Directory, DNS, DHCP, file services, and user account administration. •Perform system monitoring, patch management, and routine operational maintenance. •Assist with IT infrastructure deployments, upgrades, and migration projects. •Maintain IT asset inventory, lifecycle management, and documentation. 3. End User Support •Provide onsite and remote technical support for approximately 200 users. •Troubleshoot hardware, software, printing, conferencing, and connectivity issues. •Support employee onboarding, offboarding, worksta