Preferred Qualifications: Experience supporting AWS environments for federal, defense, research, or regulated workloads, including IL2 or comparable unclassified environments; Experience with Cisco, Fortinet, Palo Alto, Aruba, Meraki, or comparable enterprise networking and security technologies; Experience with infrastructure as code, configuration automation, Linux administration, Microsoft Entra ID/Active Directory, and endpoint or device-management integrations; Current AWS, Cisco, CompTIA Security+/Network+, or comparable cloud, networking, or cybersecurity certification; Experience working in a university research, innovation lab, federal contracting, or Department of Defense partner environment; Advanced knowledge of TCP/IP, routing, switching, VLANs, DNS, DHCP, VPNs, wireless networking, firewalls, and network segmentation; Working knowledge of AWS architecture and administration, including VPCs, IAM, EC2, S3, CloudWatch/CloudTrail, backup, encryption, and cost management; Knowledge of cybersecurity principles, least privilege, zero-trust concepts, secure configuration, logging, vulnerability management, and incident response; Ability to troubleshoot complex network, cloud, endpoint-connectivity, and performance issues across multiple vendors and locations; Ability to translate operational and sponsor requirements into documented technical designs and practical implementation plans; Strong project coordination, documentation, customer service, and communication skills, including the ability to work with technical and nontechnical stakeholders; and. Responsibilities: Design, implement, configure, and maintain site network infrastructure, including routers, switches, firewalls, wireless access points, VPNs, network segmentation, guest/partner access, and resilient internet connectivity; Architect and administer AWS cloud environments for approved unclassified/IL2 workloads, including accounts, virtual networks, compute, storage, logging, backup, identity and access management, cost controls, and infrastructure-as-code practices where appropriate; Operate security and reliability controls, including configuration baselines, vulnerability and patch management, monitoring, alerting, log review, access review, incident response coordination, disaster recovery, and continuity planning; Coordinate technical work with Mason ITS and cybersecurity offices, Mason's Cyber Lab, internet and telecommunications carriers, facilities teams, cloud vendors, and sponsor-designated technical or security personnel; manage approved changes and service escalations; and.