Teams at Fathom 4, LLC

Provides systems engineering support for USMC fixed-site IT infrastructure, including networks, servers, operating systems, containers, and virtualized environments. Designs architectures, supports requirements and specifications, applies systems engineering and configuration management processes, and contributes to testing and integration. Collaborates with stakeholders, prepares client reports and presentations, and may supervise support staff. The hybrid Quantico role requires a current Secret clearance and 0–10% travel.

Protect and defend DoD information systems by performing vulnerability analysis, RMF/STIG compliance, incident response, documentation (POA&M, System Security Plan), ATO support, and use of automated tools (SCAP, Nessus, ACAS) to ensure policy compliance and system restoration.

Perform system-level hardware and software testing for USMC programs, maintain test plans/environments, conduct test readiness reviews, produce documentation and reports, troubleshoot with developers, manage test beds and support Linux/Windows systems, and assist test event scheduling.