Perform hands-on configuration work on the gear that supports Viasat Government: Cisco IOS/NX-OS routers and switches, Palo Alto PAN-OS firewalls, Red Hat Enterprise Linux (shell, systemd, SELinux, auditd), Windows Server and Windows 11 (Group Policy, local policy, PowerShell), PostgreSQL and SQL Server, PDUs, security/infrastructure appliances, VMware ESXi and vCenter, VDI, and NetApp A400 (ONTAP). This can include findings addressed, the exact setting changed, the validation performed, the supporting command output or screenshots, and the resulting state for each hardening action - and keep the surrounding artifacts current, including STIG checklists, POA&M entries, change control records, interconnection and rack diagrams, and Corrective Action Reports.