O365 Messaging Architect

VDart Inc
Englewood, NJ

Position : O365 Messaging Architect

Location : Englewood Cliffs, NJ (Onsite)

Job Title:

Key Responsibilities:

  • Provide L3-level support for Exchange Online and hybrid Exchange environments.
  • Proof point experience is must
  • Should have good experience in Powershell and should be able to develop scripts for bulk operations.
  • Troubleshoot and resolve complex issues related to mail flow, mailbox access, transport rules, and Exchange Online Protection (EOP).
  • Handle escalations from L1 and L2 teams, ensuring timely resolution within SLA.
  • Perform root cause analysis and implement permanent fixes for recurring issues.
  • Manage and support hybrid configurations (Exchange Online + Exchange On-Prem).
  • Collaborate with Microsoft support for unresolved or critical issues.
  • Monitor service health, usage reports, and alerts via Microsoft 365 Admin Center.
  • Assist in migration projects (e.g., Exchange On-Prem to Exchange Online).
  • Maintain and update technical documentation and knowledge base articles.
  • Participate in on-call rotations and provide support during critical incidents.
  • SharePoint and Onedrive experience will de added advantage.

Required Skills:

  • Deep understanding of Exchange Online architecture and services.
  • Experience with PowerShell scripting for Exchange Online administration.
  • Knowledge of Active Directory, Azure AD, and identity federation (ADFS, SSO).
  • Familiarity with Microsoft 365 Security & Compliance Center.
  • Strong troubleshooting skills in Outlook connectivity, OWA, MFA, and mobile device access.
  • Experience with email security, SPF/DKIM/DMARC, and anti-spam/anti-phishing policies.
Posted 2025-08-22

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