Linux System Administrator/AWS Cloud Services-Sustainment for Surface Deployment and Distribution Command (SDDC), United States Transportation Command (USTRANSCOM).Responsibilities include:Maintains smooth operation of multi-user computer systems (both on-premise and AWS Cloud), including coordination with network engineers. Create system documentation, tunes system performance, stand-up cloud server instances, and allocates mass storage space. Document, monitor, and report on system security posture in accordance with DoD directives and policies. Compile department weekly activity reports for management each week.Responsible for responding to customer service trouble tickets and network outages.Miscellaneous tasks performed as required.

Mid-Level UNIX/Linux System Administrator for Surface Deployment and Distribution Command (SDDC), United States Transportation Command (USTRANSCOM); United States Air Force. Responsibilities include:Maintains smooth operation of multi-user computer systems, including coordination with network engineers. Sets up administrator and service accounts, maintains system documentation, tunes system performance, installs system-wide software, and allocates mass storage space. Interacts with users and evaluates vendor products. Makes recommendations to purchase hardware and software, coordinates installation, and provides backup recovery. Develops and monitors policies and standards for allocation related to the use of computing resources.Document, monitor, and report on system security posture in accordance with DoD directives and policies. Compile department weekly activity reports for management each week.Responsible for responding to customer service trouble tickets and network outages.Junior Commvault Tape Backup Administrator.Miscellaneous tasks performed as required.

Perform Level II system administration support for Applications, Infrastructure and Support Services, Increment 2 (AISS II), Air Mobility Command (AMC); United States Air Force. Responsibilities include:Administrate passwords, upgrades, and hardware repairs to Microsoft Windows Server 2008 R2 and UNIX/Solaris 10-based operating systems and servers in accordance with vendor service bulletins to maintain optimum system integrity, stability, and security.Document, monitor, and report on system security posture in accordance with DoD directives and policies. Actively participates in special projects with level III.Rack mounted, installed, and configured new servers.Train new system administrator personnel.Create and grant permissions/restrictions to Windows and UNIX user accounts and groups.Monitor VMWare virtual machines & ESXi servers (CPU, Memory, Disk and Network Utilization).Perform virtual machine snapshots, create templates from virtual machines, and deploy VMs from templates and allocate virtual machine resources.Compile department weekly activity reports for management each week.Responsible for responding to customer service trouble tickets and network outages.Miscellaneous tasks performed as required.

Performed UNIX system administration functions for the 375th Communications Squadron, Air Mobility Command; United States Air Force. Responsibilities included:Provisioned, administered, and maintained Oracle SPARC Enterprise servers. Assisted with installation of new hardware at the Communications Data Center at Scott Air Force Base and the St. Louis DISA Defense Enterprise Computing Center (DECC) locations.Assisted Oracle field engineers in troubleshooting hardware issues.Responsible for responding to customer service trouble tickets and network outages.Ensured that all documentation was both accurate and up-to-date. Managed setup and maintenance of group and user accounts (for Solaris 10 & Windows Server 2008).Oversaw and applied Solaris 10 operating system patches and upgrades in accordance with Oracle service bulletins. Interacted with customers to answer questions regarding webpage access issues.Trained junior system administrators when necessary.

Performed system administration functions at call-center facilities in Bridgeton, Missouri and Dallas, Texas locations. Responsibilities included:Performed Microsoft Windows operating system installation and upgrades, as well as firmware, BIOS, and driver updates for all workstations and servers to approximately 1300 machines total.Rack mounted, installed, and configured new Dell servers.Created, granted permissions/restrictions to new user accounts and groups with Active Directory.Utilized Windows Server Update Services (WSUS) which automated the distribution of software updates to all systems within our infrastructure.Support data/media recoverability through tape backups.Performed server operating system hardening as directed by corporate security/INFOSEC procedures, which resulted in the protection of our servers from unauthorized access, unauthorized use, and disruptions in service.Monitored and troubleshot server anomalies using Dell Server Administrator.Trained end users on the proper use of their PCs, along with procedures on usage of shared network resources.Regularly met with department heads to discuss and determine their hardware and software needs.