✦ Luna Orbit — System Administration

M365 Engineer

at Alcoa

📍 United States, PA, Pittsburgh Hybrid Posted March 19, 2026
Type Full-Time
Experience mid
Exp. Years 5+ years
Education Bachelor's degree in Computer Science, Information Technology, or related field
Category System Administration

This role involves managing and supporting Microsoft 365 and email security platforms, including Exchange Online, Proofpoint, and security compliance tools. The engineer will troubleshoot issues, automate tasks, and collaborate with security teams.

  • Manage M365 tenant and Exchange Online
  • Support email security and Proofpoint solutions
  • Automate tasks with PowerShell
  • Troubleshoot email issues
  • Collaborate on security policies

The technical environment includes Microsoft 365, Exchange Online, PowerShell scripting, Active Directory, Entra ID, and email security solutions like Proofpoint and Microsoft Defender.

The ideal candidate is a mid-level systems administrator with 5+ years of experience managing Microsoft 365 environments, including Exchange Online and security tools. They should have strong scripting skills in PowerShell and experience with email security and compliance tools.

Microsoft 365 technologiesExchange OnlinePowerShell scriptingEmail security toolsActive DirectoryEntra IDEmail authentication technologies
Microsoft DefenderMicrosoft PurviewProofpoint Email ProtectionSecurity and Compliance ToolsExperience with cloud security solutions
Microsoft 365Exchange OnlineProofpointPowerShellActive DirectoryEntra IDMicrosoft DefenderMicrosoft Purview
Microsoft 365Exchange OnlinePowerShellActive DirectoryEntra IDMicrosoft DefenderProofpointEmail SecuritySPFDKIMDMARC
Microsoft 365M365Exchange OnlineExchange ServerPowerShellActive DirectoryEntra IDMicrosoft DefenderMicrosoft PurviewEmail Gateway SolutionsProofpoint Email ProtectionProofpoint Secure Email RelayScripting in PowerShellEmail Authentication Technologies SPF/DKIM/DMARC
CommunicationAnalytical SkillsCritical ThinkingDetail OrientedTeam CollaborationProblem Solving
Industry Information Technology
Job Function Microsoft 365 and email security systems administration
Role Subtype Systems Administrator
Tech Domains Microsoft 365, Active Directory, Microsoft Defender, Microsoft Purview, Email Gateway Solutions
Microsoft 365Exchange OnlinePowerShellActive DirectoryEntra IDMicrosoft DefenderMicrosoft PurviewEmail GatewayProofpointEmail SecurityEmail Authentication TechnologiesSPFDKIMDMARCEmail TroubleshootingTenant AdministrationSecurity and ComplianceEmail SupportHybridSystem AdministrationEmail securityEmail troubleshootingHybrid support

Lack of experience with Microsoft 365 or Exchange Online, No scripting experience in PowerShell, No experience with email security tools, Bachelor's degree not held, No relevant experience in email system administration

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