Teams at A & T Systems, Inc.

Administer physical and virtual servers, applications, databases, Active Directory, GPOs, backups, and network infrastructure across NIPR and SIPR environments. Troubleshoot and document system issues, maintain STIG and Army compliance, automate administration through scripting, support migrations and software deployment, monitor system health and security, and assist with continuity-of-operations planning. The role also supports SharePoint, SCCM, VMware, SQL Server, endpoint security tools, and occasional training travel or adjusted schedules.

Supports DoD cybersecurity compliance by managing Risk Management Framework activities, maintaining eMASS artifacts, preparing SSPs, POA&Ms, and SARs, assessing security controls, tracking vulnerabilities and remediation, and supporting ATO packages. The role coordinates with technical teams and security leadership while ensuring adherence to DoD, Army, and NIST cybersecurity requirements.

Supports operation, maintenance, monitoring, configuration, troubleshooting, and hardening of DoD enterprise ICAN and LAN infrastructure. Maintains Layer 2 and Layer 3 devices, wireless, VPN, VoIP, IP/MPLS, and remote-access systems; performs IOS updates, STIG compliance, event response, packet analysis, configuration and capacity management, equipment repair, inventory tracking, and network documentation. Requires Secret clearance, Security+ CE, and CCNA or CCNP certification.