Leidos
Springfield, Virginia
11/08/2026
Full time
Leidos seeks a User Activity Monitoring (UAM) Engineer to deploy, configure, maintain, and sustain UAM software and its hosted infrastructure supporting the DHS Insider Threat Program. The role also supports classified networks, cross-domain data transfer, network operations, system upgrades, and technical documentation. An active Top Secret clearance is required; the position may involve after-hours support and maintenance. Responsibilities Deploy, configure, maintain, and update UAM software across enterprise environments. Resolve system functionality issues and coverage gaps while maintaining deployment integrity. Support system upgrades, recapitalization, availability and capacity management, and network requirements. Oversee the High Speed Guard cross-domain solution for data transfers between classification domains. Install and reconfigure network hardware and software, and assist with network design and integration. Manage IP addressing, switch setup, network operations, configuration documentation, and technical reporting. Required Skills User Activity Monitoring platforms Everfox UAM tools High Speed Guard cross-domain platforms Network hardware and software design Network installation and reconfiguration VLAN configuration Routing and IP addressing IP address management (IPAM) BGP, ISIS, OSPF, or static routing System integration, testing, and quality assurance