The Senior Systems Administrator is responsible for the architecture, deployment, maintenance, and security of the company's infrastructure services, systems, and networks. Key responsibilities include designing, implementing, and managing Wi-Fi, LAN/WAN, VPN, VLANs, routers, switches, and firewalls. This role involves monitoring network infrastructure, troubleshooting connectivity issues, and performing network tuning and upgrades. The administrator will install, configure, and manage both cloud and on-premises servers and services, ensuring data and configuration integrity. They will work towards creating a reliable, efficient, and scalable infrastructure using configuration as code methodologies, collaborating across departments to evolve systems standards. This position also includes documenting and automating daily tasks, participating in system planning, providing 3rd level support, and staying current with technology trends.