Senior System Administrator

Responsibilities Serve as a technical lead for system administration activities, coordinating issue resolution and daily operations with Government, contractor, cybersecurity, network, application, and service provider teams. Install, configure, maintain, patch, monitor, troubleshoot, and optimize Army-approved server operating systems, Windows services, enterprise applications, and supporting infrastructure. Administer Active Directory and core enterprise services, including user and computer accounts, security groups, permissions, Group Policy, DNS, DHCP, SMTP, file shares, certificate services, DoD PKI, and email/account request processes. Manage virtual, storage, and backup environments, including virtual servers, hosts, clusters, VDI components, NAS/SAN resources, file permissions, replication, recovery, disaster recovery, and continuity of operations support. Support SCCM and endpoint management activities, including software packaging, imaging, operating system deployment, patch deployment, third‑party software deployment, client health monitoring, inventory, and compliance reporting. Monitor and resolve system administration trouble tickets, recommend improvements to performance, reliability, security, and infrastructure operations, and support contingency, emergency, exercise, surge, and after‑hours requirements. Requirements Minimum 8 years of experience supporting systems administration, server administration, infrastructure operations, or enterprise IT support within DoD or federal environments. Experience administering Windows server environments, Active Directory, Group Policy, permissions, file shares, and enterprise services. Experience supporting SCCM administration, software deployment, patch management, operating system deployment, imaging, software inventory, and compliance reporting. Experience administering virtualized environments, including virtual servers, workstations, hosts, clusters, datastores, resource pools, or virtual desktop infrastructure. Experience supporting storage administration, backup and recovery, data replication, disaster recovery, continuity of operations, and file storage services. Experience implementing DISA STIG requirements, supporting vulnerability remediation, maintaining compliance documentation, and supporting audit activities. Experience troubleshooting complex hardware, software, endpoint, server, application, storage, virtualization, and connectivity issues in secure enterprise environments. Active Secret clearance and eligibility to obtain and maintain required Common Access Card (CAC). #J-18808-Ljbffr