Required Qualifications: Bachelor's degree in cybersecurity, engineering, or related field, or an equivalent combination of education, certifications, training, and experience; Substantial professional experience supporting enterprise networks, cloud platforms, or hybrid infrastructure; Hands-on experience configuring and troubleshooting network devices, firewalls, wireless networks, VPNs, and cloud resources; Experience documenting technical architectures, configurations, operating procedures, and incident or change activity; 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; Ability to manage multiple priorities in an evolving, mission-oriented environment and exercise sound judgment with sensitive information; Demonstrated ability to work collaboratively with cybersecurity, infrastructure, facilities, vendors, and end users; 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.