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Senior Engineer, Unified Communications Microsoft 365
Engineer, Unified Communications Microsoft 365
Senior Engineer, Unified Communications Microsoft 365 position — see original posting for full details.
About the role
- Lead the design, implementation, and ongoing support of Unified Communications solutions, with a primary focus on Microsoft 365 and Exchange Online/Hybrid
- Serve as the subject matter expert for enterprise email architecture, including routing, authentication, deliverability, and message hygiene
- Proofpoint (DLP, encryption, TAP, routing, and policy management)
- Metadact for metadata scrubbing, compliance, and secure content handling
- DNS configuration
- SMTP relays
- Connectors and transport rules
- Message tracking and diagnostics
- Oversee hybrid Exchange configurations, coexistence strategies, connectors, and migration activities
- Provide Tier 3/4 escalation support for complex UC and messaging issues
- Partner with security, infrastructure, and identity teams to ensure secure, resilient services
- Develop and maintain system documentation, architecture diagrams, and operational runbooks
- Contribute to UC strategy, roadmap planning, and lifecycle management
- Participate in audits, risk assessments, and policy development related to messaging and collaboration systems
- 7+ years of experience in Unified Communications, Messaging, or Microsoft 365 engineering roles
- Expert-level knowledge of Microsoft 365, Exchange Online, and hybrid Exchange architectures
- DNS
- SMTP
- SPF / DKIM / DMARC
- TLS
- Routing topologies
- Hands-on experience with Proofpoint email security solutions
- Working proficiency with Metadact or similar metadata-scrubbing tools
- Strong experience diagnosing and resolving complex UC and messaging issues
- Azure AD
- OAuth
- Conditional Access
- MFA
- Proficiency with PowerShell or similar scripting tools for automation and system administration
- Strong job stability and long-term employment history
- Ability to work the required 4:00 PM – 12:00 AM PST schedule
- Experience with telephony / VoIP platforms, such as Microsoft Teams Phone, Cisco, Avaya, or similar
- Working knowledge of SharePoint Online, including permissions, site architecture, and administration
- Proven experience leading projects and mentoring junior engineers
- Microsoft 365 Certified: Messaging Administrator
- MS-100 / MS-203 or MCSE
- Proofpoint Certified Specialist
- Other UC or security certifications
- Bachelor's degree in information technology, Computer Science, or equivalent experience
- Enjoy owning complex, mission-critical systems end to end
- Take pride in precision, reliability, and security
- Prefer long-term platform ownership over short-term projects
- Are comfortable acting as a technical authority and escalation point
- Value collaboration, documentation, and operational excellence
- Senior-level ownership of enterprise M365 and UC platforms
- High-impact