✦ Luna Orbit — System Administration

Systems Administrator

at Robert Half

📍 Houston, TX Remote 💰 $66 – $77 USD / year Posted April 15, 2026
Salary $66 – $77 USD / year
Type Not Specified
Experience mid
Exp. Years Proven experience as a Systems Administrator or similar role (years not specified)
Education Bachelor’s degree in Information Technology, Computer Science, or a related field (or equivalent experience)
Category System Administration

This Systems Administrator position focuses on maintaining and optimizing IT systems and networks to ensure smooth daily operations. The role emphasizes troubleshooting, security enforcement, patching, backup/disaster recovery, and Tier 2 end user support.

  • Install, configure, and maintain servers, applications, and hardware, Monitor system performance and availability and perform routine system checks, Troubleshoot and resolve user-reported technical problems efficiently, Apply software and hardware updates, patches, and fixes for security and optimal operation, Implement security protocols and manage backup procedures and disaster recovery plans

You will install and configure servers, applications, and hardware; monitor performance and availability; apply updates and patches; and implement security protocols aligned to cybersecurity standards. The environment includes networking (DNS, DHCP, TCP/IP), virtualization (VMware, Hyper-V), and optional familiarity with cloud platforms such as AWS, Azure, and Google Cloud.

The ideal candidate is a detail-oriented Systems Administrator with proven experience installing, maintaining, and optimizing IT systems and networks. They are strong at troubleshooting, performance monitoring, patching, and enforcing security protocols while managing backup and disaster recovery. They can provide Tier 2 support to end users and understand core networking protocols like DNS, DHCP, and TCP/IP, with virtualization experience (VMware and Hyper-V) and cloud exposure (AWS, Azure, Google Cloud) as a plus.

Installconfigureand maintain serversapplicationsand hardwareMonitor system performance and availability and perform routine system checksRespond promptly to issues reported by users and resolve technical problems efficientlyApply software and hardware updatespatchesand fixes as needed to maintain optimal system operation and securityImplementmanageand monitor security protocols to protect systems from breaches and ensure compliance with cybersecurity standardsManage backup procedures and disaster recovery plans to safeguard critical dataMaintain accurate and up-to-date documentation for systemsconfigurationsand troubleshooting stepsProvide Tier 2 technical support to end users for issues related to system functionality or accessEnsure the proper functioning of network devicesincluding serversswitchesand routers
familiarity with cloud technologies like AWSAzureand Google Cloud
VMwareHyper-VAWSAzureGoogle Cloud
installationmaintenanceoptimizationtroubleshootingsystem securitysystem performanceinstall configure maintain serversapplicationshardwareperformance monitoringavailabilitypatches updates fixessecurity protocolscompliance with cybersecurity standardsbackup procedures managementdisaster recovery plansdocumentationnetwork managementservers switches routersTier 2 technical supportend user supportDNSDHCPTCP/IPVMwareHyper-Vcloud technologies AWSAzureGoogle CloudWindowsLinuxmacOScommunicationcollaboration
installationmaintenanceoptimization of IT systems and networkstroubleshootingproblem-solvingsystem securitysystem performanceinstallconfigureand maintain serversinstallconfigureand maintain applicationsinstallconfigureand maintain hardwareperformance monitoringmonitor system performance and availabilityroutine system checksrespond to issues reported by usersapply software updatesapply hardware updatesapply patches and fixessecurity protocols implementationsecurity protocols managementsecurity protocols monitoringensure compliance with cybersecurity standardsbackup procedures managementdisaster recovery plansdocumentation for systems and configurationsdocumentation for troubleshooting stepsnetwork device managementserversswitchesroutersTier 2 technical supportend user supportuser access troubleshootingnetworking concepts and protocolsDNSDHCPTCP/IPvirtualization toolsVMwareHyper-Vcloud technologiesAWSAzureGoogle CloudWindowsLinuxmacOS
detail-orientedprompt issue responsecommunicationcollaborationteam environmentattention to detailproblem-solving

Preferred

CompTIA Network+CompTIA Security+Microsoft Certified: Azure Administrator
Industry Not specified
Job Function Administer and support enterprise IT systems, networks, security, and availability through systems administration best practices
Role Subtype Systems Administrator
Tech Domains Windows Server, Linux, Azure, Amazon Web Services, Google Cloud Platform, VMware
Systems AdministratorSysadmininstallationmaintenanceoptimizationtroubleshootingsystem securitysystem performanceTier 2 technical supportend usersserverapplicationshardwareperformance monitoringavailabilitypatchesupdatessecurity protocolscybersecurity standardsbackup proceduresdisaster recoverydocumentationnetwork devicesservers switches routersDNSDHCPTCP/IPVMwareHyper-VAWSAmazon Web ServicesAzureMicrosoft AzureGoogle CloudGoogle Cloud PlatformCompTIA Network+CompTIA Security+Microsoft Certified: Azure AdministratorWindowsLinuxmacOSBachelor’s degree in Information TechnologyComputer Science

Must have proven experience as a Systems Administrator or similar role, Must know operating systems such as Windows, Linux, and macOS, Must have proficiency in networking concepts and protocols (DNS, DHCP, TCP/IP), Must be able to provide Tier 2 technical support to end users

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