Sr. Messaging-Collaboration Engineer; Hybrid Nashville, TN

Description

At Scion Health, we empower our caregivers to do what they do best. We value every voice by caring deeply for every patient and each other. We show courage by running toward the challenge and we lean into new ideas by embracing curiosity and question asking. Together, we create our culture by living our values in our day-to-day interactions with our patients and teammates.

Responsible for supporting, administering, and enhancing enterprise messaging and collaboration platforms, with primary focus on Microsoft Exchange and Microsoft Teams/Teams Voice. Provides operational support for Microsoft 365 and telephony services, resolves day-to-day issues, supports end users, and contributes to the ongoing improvement and evolution of voice and collaboration capabilities across the organization.

• Administer and support Microsoft Exchange Online (and hybrid Exchange environments)
• Manage mail flow, transport rules, connectors, and message hygiene policies
• Administer Microsoft Teams, and Teams Voice and telephony capabilities
• Configure and manage Teams Phone, including calling plans, Operator Connect, and Direct Routing
• Design and maintain voice solutions including Auto Attendants, Call Queues, and call routing strategies
• Troubleshoot voice quality issues (latency, jitter, packet loss) and call connectivity problems
• Collaborate with networking teams to ensure QoS, bandwidth, and firewall configurations support voice services
• Monitor service health and performance across Exchange and Teams environments
• Manage user provisioning, licensing, and voice enablement via Microsoft Entra
• Support migrations from legacy PBX or on-prem telephony systems to Teams Voice
• Maintain documentation for voice configurations, dial plans, and operational procedures

• Hands‑on experience with Microsoft Teams administration, including Teams Voice / telephony
• Strong understanding of voice concepts (SIP, PSTN, dial plans, voice routing)
• Understanding of mail flow, SMTP, and DNS (MX, SPF, DKIM, DMARC)
• Proficiency with Power Shell for administration and automation

• Bachelor’s Degree in Information Systems or related field (Required)

• Microsoft 365 certifications (e.g., Teams Administrator Associate, Messaging Administrator Associate). Experience migrating from legacy telephony systems (PBX, VoIP) to Teams Phone. Experience with network performance monitoring tools for voice quality analysis (Preferred)

• 3-5 years of experience administering Microsoft Exchange and/or Microsoft 365 environments (Required)
• Prior Experience with Direct Routing and/or Operator Connect (Required)
• Prior Experience with Microsoft Entra  (Azure AD) for identity and access management (Required)
• Prior Experience troubleshooting both messaging and real‑time communication issues (Required)