✦ Luna Orbit — System Administration

Systems Engineer

at Robert Half

📍 San Antonio, TX Remote 💰 $95K – $120K USD / year Posted March 12, 2026
Salary $95K – $120K USD / year
Type Not Specified
Experience mid
Exp. Years 7+ years
Education High School Diploma or GED; related formal training preferred
Category System Administration

This role involves managing and supporting enterprise virtualization and server environments, performing upgrades, migrations, and troubleshooting to ensure system stability and security.

  • Manage VMware and Windows Server environments
  • Perform system upgrades and migrations
  • Troubleshoot hardware/software issues
  • Ensure system security and backups
  • Mentor junior staff

Technical environment includes VMware ESXi, Windows Server, Active Directory, PowerShell scripting, network configuration, storage, and backup technologies.

The ideal candidate is a senior system administrator with extensive experience in VMware, Windows Server, Active Directory, and scripting with PowerShell. They should have at least 7 years of IT experience, strong troubleshooting skills, and the ability to mentor junior staff.

VMware ESXi 6 or greaterActive DirectoryWindows ServerPowerShellNetworkingServer virtualizationSystem administration
CitrixSBS ServerRubrik backup technologiesVLANsWireless networkingSystem upgradesMigration
VMwareWindows ServerActive DirectoryPowerShellCitrixRubrik
VMware ESXiActive DirectoryWindows ServerPowerShellNetworkingTCP/IPVLANsStorage technologiesBackup technologiesSystem administrationServer virtualizationSystem upgradeMigrationTroubleshootingSecurityMonitoring
VMware ESXiWindows ServerActive DirectoryPowerShellNetworkingTCP/IPVLANsVMWareStorage technologiesBackup technologiesSystem administrationServer virtualizationSystem upgradeMigrationTroubleshootingSecurityMonitoring
Team collaborationProblem-solvingCommunicationMentoringDocumentationAnalytical thinkingCustomer service
Industry IT Services / Data Center / Virtualization
Job Function Manage enterprise virtualization and server infrastructure
VMware ESXiActive DirectoryWindows ServerPowerShellSystem administrationServer virtualizationMigrationTroubleshootingBackup technologiesNetworkingSecurityVLANsWireless networkingSystem upgradesMonitoring

Less than 7 years of IT experience, Lack of VMware ESXi or Active Directory experience, No experience with system migrations or troubleshooting

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