Active Directory / Windows   Engineer Location:

• Irvine CA- Hybrid Duration: Contract, 6 months Technical Expertise 10+ years in enterprise messaging and directory services (Microsoft-focused).


• Proven experience in Exchange Online, Exchange Hybrid, and Active Directory / Azure AD.
• Deep knowledge of M365 tenant configurations, mail flow routing, and domain migration.
• Expertise in identity synchronization (AD Connect, Entra ID) and conditional access.
• Understanding of DNS, SPF, DKIM, DMARC, and MX records.
• Experience with Mimecast or similar email security gateways.
• Familiarity with PowerShell scripting for automation and configuration discovery. 10+ years’ experience in large Enterprise environments with thousands of users and hundreds of servers and critical Enterprise Applications.
• Strong understanding of overall IT Infrastructure concepts including data center, compute, storage, network...