✦ Luna Orbit — System Administration

Systems Administrator

at Robert Half

📍 Sugar Land, TX Remote 💰 $120K – $140K USD / year Posted April 04, 2026
Salary $120K – $140K USD / year
Type Full-Time
Experience mid
Exp. Years Not specified
Education Not specified
Category System Administration

Systems Administrator to manage and maintain server systems and infrastructure with emphasis on Active Directory, Citrix, Exchange, and disaster recovery in a remote environment.

  • Daily support for servers and remote access
  • Manage Active Directory, Citrix, and Exchange environments
  • Oversee disaster recovery and business continuity
  • Plan preventive maintenance and patch management
  • Collaborate with teams on system changes

Responsibilities include daily server support, AD, Citrix, Exchange (2019 and Online), file servers, and hybrid configurations; strong focus on security, patching, and DR/BC planning.

The ideal candidate is a mid-level systems administrator with strong Active Directory, Citrix, and Exchange experience, capable of supporting hybrid and cloud configurations, managing disaster recovery and patch processes, and coordinating IT projects with vendors.

Active DirectoryCitrixExchange 2019Exchange OnlineDisaster recoveryBusiness continuityPatch managementHybrid configurationsOn-call support
IT project coordinationVendor managementSecurity policiesInformation security
Active DirectoryCitrixMicrosoft Exchange ServerExchange Online
Active DirectoryCitrixMicrosoft environmentsExchange 2019Exchange Onlinefile servershybrid configurationsdisaster recoverybusiness continuitypatch managementfirmware updateson-call supportvendor managementIT projectssecurity policiessystem changesdocumentation
Active DirectoryCitrixMicrosoft environmentsExchange 2019Exchange Onlinefile servershybrid configurationsdisaster recoverybusiness continuitypatch managementfirmware updateson-call supportvendor managementIT projectssecurity policiessystem changesdocumentation
CommunicationDocumentationVendor coordinationTeam collaborationProblem solving
Industry Consulting
Job Function System administration and infrastructure support for enterprise server environments
Role Subtype Systems Administrator
Tech Domains Active Directory, Microsoft 365, Azure, Windows Server, ITSM / ServiceNow, SharePoint, Power BI, SQL / PostgreSQL, Azure AD
systems administratoractive directorycitrixmicrosoft environmentsexchange 2019exchange onlinefile servershybrid configurationsdisaster recoverybusiness continuitypatch managementfirmware updateson-call supportvendor managementIT projectssecurity policiessystem changesdocumentationremote accessserver administrationActive DirectoryCitrixExchange 2019Exchange OnlineDisaster recoveryBusiness continuityPatch managementHybrid configurationsOn-call supportFile servers
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