Requirements

• 6+ years of hands-on experience administering Microsoft 365 in enterprise environments
• Strong expertise in Exchange Online, enterprise messaging architecture, mail flow, and troubleshooting
• Extensive hands-on experience administering Proofpoint in enterprise environments, ideally 6+ years
• Experience with email security and authentication technologies including DMARC, SPF, and DKIM
• Strong knowledge of Microsoft Entra ID (Azure AD), Active Directory, and identity security technologies
• Experience supporting Microsoft Teams, SharePoint Online, and OneDrive for Business
• Practical experience with PowerShell and automating Microsoft 365 administrative processes
• Strong troubleshooting skills across Microsoft 365, messaging, security, and infrastructure environments
• Experience working with Windows Server and Linux systems
• Ability to independently own technical initiatives while collaborating effectively with distributed engineering teams

Nice to Haves

• Familiarity with Microsoft Purview, Microsoft Defender for Office 365, Microsoft Intune
• Experience with AI-assisted automation tools such as ChatGPT or Codex
• Relevant Microsoft or Proofpoint certifications (advantageous but not mandatory)

What You'll Be Doing

• Administer, maintain, and optimize Microsoft 365 services including Exchange Online, Microsoft Teams, SharePoint Online, OneDrive for Business, Microsoft Entra ID, and Microsoft Purview
• Manage enterprise messaging infrastructure, mail flow, routing, transport rules, and email security
• Administer and optimize Proofpoint email security solutions
• Implement and maintain email authentication and security technologies such as DMARC, SPF, and DKIM
• Troubleshoot complex technical issues across Microsoft 365, messaging, identity, and infrastructure services
• Support identity and access management technologies including Active Directory, Conditional Access, MFA, SSO, and Privileged Identity Management
• Improve operational efficiency and service reliability through PowerShell automation and modern AI-assisted engineering tools
• Contribute to security, compliance, and governance initiatives using Microsoft Defender for Office 365 and Microsoft Purview
• Drive technical projects independently and collaborate with global engineering teams on scalable, secure, and resilient solutions
• Participate in on-call rotation supporting business-critical collaboration and messaging services
• Lead production infrastructure and platform maintenance supporting a growing client base and design highly scalable environments
• Conduct deep analysis and troubleshooting of production issues and implement fixes
• Design, develop, configure, and deploy enterprise supporting systems and large-scale solutions
• Lead product and service development, including code and architecture reviews
• Manage tasks and timelines for moderately complex projects, providing technical oversight and adjustments as needed
• Collaborate across teams to align on expectations and achieve shared objectives
• Analyze and resolve moderately complex problems using data and standard practices, escalate critical issues appropriately
• Engage in continuous learning and coach junior team members to foster knowledge sharing
• Recommend and implement process improvements to enhance efficiency and effectiveness
• Participate in candidate interviews and provide hiring recommendations

Perks and Benefits

• Work on critical collaboration and messaging platforms supporting more than 150,000 users globally
• Opportunity to take technical ownership of complex engineering projects and challenging problems
• Experience modern technologies across Microsoft 365, enterprise messaging, email security, identity management, and automation
• Global collaboration with experienced engineers and technical teams across multiple locations
• Contribute to continuous improvement of the reliability, security, and efficiency of Oracle’s enterprise collaboration environment