Serve as the DNS authority for both public and private DNS-managing zones, records, delegation, split-horizon configurations, and DNS security practicesDesign, implement, and support network infrastructure, including routers, switches, firewalls (including Fortinet), and connectivity solutionsLeverage deep knowledge of TCP/IP, routing protocols (BGP, OSPF, EIGRP), and network architecture to maintain a stable and resilient infrastructureSupport and optimize storage, compute, network, and security resources across on-premises and cloud environmentsTroubleshoot complex network, system, and application issues-resolving connectivity and performance challenges across the environmentImplement and support security tools, protocols, and controls to protect infrastructure and dataPartner on vulnerability remediation efforts, system hardening, and ongoing monitoring of security risks. Serve as the subject matter expert for Active Directory-including AD Sites and Services, OU structure hardening, Group Policy design and enforcement, and schema managementSupport hybrid Active Directory environments, including synchronization between on-premises AD and Entra IDSupport and troubleshoot Entra ID for SSO, SAML-based application integrations, Conditional Access policies, and identity governanceOwn the enterprise PKI and certificate infrastructure, including CA hierarchies, certificate lifecycle management, renewal processes, and integration with public certificate authorities such as DigiCertSupport and troubleshoot Intune device management policies, including compliance, configuration profiles, and patch management.