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Senior Microsoft 365 Exchange Administrator (H1B Eligible)

NLB Services • United State
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AI Summary

Lead the management and troubleshooting of a large-scale Microsoft 365 hybrid environment, focusing on Exchange Online and mail flow optimization. Ensure seamless client communication, hybrid connectivity, and security protocols like SPF, DMARC, and DKIM. Oversee mail archiving, SSO integration, and hybrid infrastructure with 8+ years of specialized experience.

Key Highlights
8+ years of experience managing large-scale Microsoft 365 hybrid environments (Exchange Online, Exchange Server)
Proven expertise in Exchange mail flow, connectors, hybrid configurations, and security protocols (SPF, DMARC, DKIM)
Direct client communication and onsite support for Microsoft 365 environments at L2-L4 support levels
Key Responsibilities
Manage Microsoft 365 environments at L2, L3, and L4 support levels with a focus on Exchange Online and hybrid configurations
Oversee mail flow, connectors, and hybrid integration between Exchange Server and Microsoft 365 environments
Troubleshoot and configure mail hygiene solutions, including anti-spam, SPF, DMARC, DKIM, and Exchange Edge Server
Ensure seamless client communication and connectivity, including Outlook, MS Teams, and OWA (Outlook Web Access)
Maintain and configure mail archiving solutions and Active Directory integration with Microsoft 365
Technical Skills Required
Microsoft 365 (Exchange Online) Microsoft Exchange Server Hybrid Exchange/Microsoft 365 Environments
Nice to Have
Master’s degree
Microsoft Certification
Experience with Azure
Experience with Microsoft Hyper-V
TCP/IP, OS, and firewall configuration knowledge

Job Description


H1B With PP Number

please share your resume at [email protected]


Microsoft 365 - Exchange Online

Marysville, Ohio


Job Description:

  • Proactive in direct client communication and capable of managing customers effectively with an onsite presence.
  • Manage Microsoft 365 environment at L2, L3, L4 level and must know exchange servers and their roles
  • Working Experience in the mail flow in detail for Exchange/O365 hybrid environment
  • Working Experience of different type of connectors available in exchange/ Microsoft 365
  • Working Experience of M365 mail filtering/hygiene solution, Microsoft Exchange Edge server and Active Directory
  • Good understanding of SSO with M365, including ADFS
  • Sound knowledge of Email client like Microsoft Outlook, MS Teams and OWA
  • Good knowledge of Mail Archiving solution, troubleshooting and configuration of Anti-spam, SPF, DMARC, DKIM, Address client connectivity,
  • Over all experience 8+ Years of 4 to 5 years managing a large scale M365 hybrid environment
  • A Master’s degree and Microsoft Certification a plus
  • Previous Microsoft 365 administration and troubleshooting experience is required
  • Familiarity with some of the following areas: Azure, Microsoft Hyper-V, Microsoft Exchange Edge server’s administration, of TCP/IP (OS, firewalls configuration)



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