Senior Engineer, Unified Communications Microsoft 365 Remote

Senior Engineer Unified Communications / Microsoft 365
Location: Remote but must be local to Los Angeles San Francisco or Orange County California

Responsibilities:

• Architect implement and support enterprise Unified Communications solutions with a focus on Microsoft 365 and Exchange Online/Hybrid

• Serve as subject matter expert for email architecture including routing mail flow authentication deliverability and message hygiene

• Administer and support email security platforms such as Proofpoint (DLP encryption TAP routing policy management)

• Maintain and support Metadact for metadata scrubbing compliance and secure content handling

• Manage the complete email lifecycle including DNS SMTP relays connectors transport rules and message tracking

• Oversee hybrid Exchange configurations coexistence connectors and migration activities

• Provide Tier 3/4 escalation support for complex messaging and UC issues

• Partner with security infrastructure and application teams to ensure secure resilient and high-performing services

• Develop and maintain system documentation architecture diagrams and operational runbooks

• Contribute to UC strategy roadmap development and lifecycle management initiatives

• Participate in audits risk assessments and policy development related to messaging and collaboration platforms

Requirements:

• 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

• Hands-on experience with Proofpoint email security solutions

• Working proficiency with Metadact or similar metadata-scrubbing tools

• Deep understanding of the full email lifecycle including DNS SMTP SPF/DKIM/DMARC TLS and routing topologies

• Strong experience diagnosing and resolving complex UC and messaging issues across hybrid environments

• Knowledge of identity and security technologies including Azure AD OAuth conditional access and MFA

• Experience using PowerShell or similar scripting tools for automation and administration

• 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

• Bachelors degree in Information Technology Computer Science or equivalent experience

• Relevant certifications preferred: Microsoft 365 Certified Messaging Administrator MS-100/MS-203 MCSE Proofpoint Certified Specialist or other UC/security certifications

• Stable resume with minimal contract/temporary experience

• Must include minimum salary expectation in resume

Compensation and Benefits:

• Base salary: $108000 to $140000 per year

• Full benefits provided

• Full-time no travel required

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