Network and System Administrator

About the role

Job Description Summary: Under the general direction of the Cyber Security and Network Engineer, with a dotted-line reporting relationship to the Director of Infrastructure & Services, the Network & Systems Administrator will support and maintain a modern, secure technology environment spanning both network infrastructure and core enterprise systems. This role sits within the IT Infrastructure team and is responsible for the day-to-day health, availability, and documentation of network and server platforms that support academic, and administrative operations. Duties and Responsibilities: Job Duties and Accountabilities Configure, maintain , and troubleshoot LAN/WAN, VLANs, routing, switching (Cisco IOS), wireless (Aruba), VPN ( FortiGate ), firewall policies and V oIP ( WebEx Cloud Calling). Administer Windows Server environments, Active Directory, DNS (internal and external), DHCP, and Group Policy. Support the Nutanix AHV virtualization platform and maintain VM lifecycle management. Support and maintain cloud platforms like O365, Azure AD / Entra ID, Intune configure & deployment , and Conditional access policies. Monitoring and maintaining Rubrik, performing restore testing, validating backup health, and documen ting the entire process. Maintain accurate and up-to-date network and server documentation including topology diagrams, IP address management, VLAN registers, firewall policy logs, and runbooks. Manage all network and system changes through the IT change management process including ticket creation, peer review, and post-implementation verification in the ITSM platform. Act as a primary network and systems technical lead for client projects. Mentor junior team members. Assists in establishing standards, policies, and procedures as they apply to the use of these Technologies. Perform other related duties as assigned in support of overall IT strategic goals.