Senior System Administrator

Systems administration and maintenance across multiple separate networks, including ESXi hosts, VMs/appliances, RedHat OpenShift, and VDI desktops.

Server and network infrastructure administration, including hardware/software administration and support for highly secure and available systems on a 24/7 basis.

Virtual infrastructure sustainment, including establishing and sustaining virtual infrastructure, system analysis/design, and support for system-level applications, file systems, and restricted shell access menus.

Hardware installation, troubleshooting, maintenance, backups, updates, and system support.

Backup and recovery management for enterprise data, including storage, archiving, backup, recovery procedures, test validation, and coordination with the CIO and team leads.

Linux NFS, Windows SMB, Enterprise SAN, Cohesity, Dell PowerProtect Data Manager, VMware Replication, vSAN, vProxy, DD Boost, NDMP, REST APIs, S3-compatible object storage, VMware vCenter/vSphere, and SQL Server application-aware backup agents. These are directly named in the PWS backup/recovery section.

Patch/vulnerability coordination and cybersecurity support, including review/evaluation/update of Army and industry patches, DISA-approved cybersecurity scanning tools, IAVM reporting, STIGs, and vulnerability remediation.

DoD 8140 / Army cybersecurity compliance awareness. The PWS states IA/IT personnel must comply with DoD and Army training requirements in DoDM 8140.03, AR 25-2, and DoD personnel security procedures.

Documentation/SOP support, including data and information to maintain system administration SOPs and documentation, with deliverables tied to CDRL A013.

Experience : 10 years plus Education: Masters Degree