✦ Luna Orbit — System Administration

Systems Administrator – Messaging

at Miami, Florida IT Staffing, Recruitment & Consulting Agency

Onsite Posted March 15, 2026
Type Contract
Experience mid
Exp. Years 3+ years
Education Not specified
Category System Administration

This role involves managing and troubleshooting enterprise messaging systems, including MS Exchange and Proofpoint, automating tasks with PowerShell, and supporting hybrid cloud messaging environments.

  • Manage messaging systems
  • Troubleshoot messaging issues
  • Automate administrative tasks
  • Support hybrid cloud messaging
  • Participate in on-call rotation

The environment includes MS Exchange Server, Exchange Online (Microsoft 365), Proofpoint security platform, and scripting automation with PowerShell.

The ideal candidate is a mid-level systems administrator with 3+ years of experience managing messaging systems, including MS Exchange and Proofpoint, with strong scripting skills in PowerShell.

MS Exchange ServerExchange OnlineProofpointPowerShell scriptingMessaging troubleshooting
MS Exchange ServerExchange OnlineProofpointPowerShell
MS Exchange ServerExchange OnlineProofpointPowerShellMessaging troubleshootingHybrid cloud messaging
MS Exchange ServerExchange OnlineMicrosoft 365ProofpointPowerShellMessaging troubleshootingHybrid cloud messaging
TroubleshootingIncident resolutionAutomationSupportCommunication
Industry Information Technology
Job Function Manage and troubleshoot enterprise messaging systems
Role Subtype Systems Administrator
Tech Domains Microsoft 365, Proofpoint, PowerShell
Systems AdministratorMessagingMS Exchange ServerExchange OnlineProofpointPowerShellHybrid cloud messagingTroubleshootingIncident resolutionSupportOnsiteMessaging issuesAutomationScriptingIncident managementMessaging troubleshooting

Lack of experience with MS Exchange Server or Proofpoint, No scripting skills in PowerShell, Onsite work only

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