Senior Engineer, Unified Communications/M365

Note:  This position is remote; however you must reside in California (Los Angeles #1 preference), Oregon or Washington and be willing to work 4:00 PM – 12:00 Midnight Pacific Time.

To be considered you must have expert-level knowledge of Microsoft 365, Exchange Online, Exchange Hybrid, and core mailflow components

 Our client is looking to hire a Senior Engineer, Unified Communications/M365 to architect, support, and enhance their enterprise collaboration and messaging environment. The role will primarily support end-to-end email delivery operations and oversee the administration of M365 applications, including Teams, Exchange, and other key Microsoft applications.  The ideal candidate will possess strong expertise in Microsoft 365, Exchange (Online and On-Prem), Proofpoint, and Metadact, and a comprehensive understanding of the end-to-end email lifecycle across cloud and hybrid models. Experience with telephony/VoIP and SharePoint Online is a strong plus.

 Key Requirements:

• 7+ years of experience in Unified Communications, Messaging, or Microsoft 365 engineering roles;
• Expert-level knowledge of Microsoft 365, Exchange Online, Exchange Hybrid, and core mailflow components;
• Certifications such as:
• Microsoft 365 Certified: Messaging Administrator;
• MCSE / MS-100 / MS-203;
• Proofpoint Certified Specialist;
• Relevant UC or security certifications;
• Hands-on experience with Proofpoint email security solutions;
• Working proficiency with Metadact or other metadata-scrubbing solutions;
• Deep understanding of the full email journey, including DNS, SMTP, SPF/DKIM/DMARC, TLS, routing topologies, and mail hygiene;
• Strong capability in diagnosing, troubleshooting, and resolving complex email and UC issues across hybrid architectures;
• Solid understanding of identity and security technologies: Azure AD, OAuth, conditional access, MFA, etc.; and
• Experience with PowerShell or similar scripting for automation and system administration.
• Experience with telephony/VoIP systems, such as Microsoft Teams Phone, Cisco, Avaya, or similar.
• Experience leading projects and mentoring junior engineers
• Working knowledge of SharePoint Online, including permissions, site architecture, and administration.
• Bachelor’s degree in Information Technology, Computer Science, or related field (or equivalent experience);