MS Teams Voice Engineer

Vamonos IT•Alexandria, VA

21h

About The Position

Vamonos IT is seeking an experienced Team Lead, Voice Engineering to lead the design, implementation, and ongoing support of enterprise voice and unified communications platforms. This role combines technical leadership with people leadership, serving as both a hands-on senior engineer and a mentor responsible for guiding a team of voice engineers. The ideal candidate has in-depth knowledge of Teams Telephony, including Direct Routing, Calling Plans, and voice management, along with excellent knowledge of MS Intune, including device enrollment, configuration, security, and compliance, to ensure seamless management of Teams phone devices and applications.

Requirements

7+ years of experience supporting enterprise voice/telephony environments
2+ years in a technical lead or team lead role
Strong experience with one or more of the following: Microsoft Teams Phone / Direct Routing / Operator Connect, Cisco Unified Communications Manager (CUCM), Avaya Aura or comparable enterprise PBX platforms
Deep understanding of: SIP, RTP, VoIP codecs, QoS
SBCs (AudioCodes, Ribbon, Oracle, or similar)
PSTN connectivity and number lifecycle management
Experience troubleshooting complex call flow and voice quality issues
In-Depth knowledge of Teams Call Quality Dashboards
Strong documentation, communication, and stakeholder engagement skills

Nice To Haves

Experience migrating legacy PBX systems to cloud or UCaaS platforms
Background in hybrid voice environments (on‑prem + cloud)
Scripting or automation experience (PowerShell, APIs, or similar)
Industry certifications such as: Microsoft 365 Certified: Teams Voice Engineer, Expert. Cisco CCNP Collaboration

Responsibilities

Lead the design, deployment, and support of enterprise voice and unified communications solutions
Serve as the technical escalation point for complex voice-related issues
Define and maintain voice architecture standards, documentation, and best practices
Own voice-related capacity planning, resiliency, and high-availability designs
Oversee SIP trunking, SBC configurations, call routing, and number management
Lead, mentor, and develop a team of voice engineers
Provide regular reports on Teams telephony performance and usage
Assign work, set priorities, and ensure SLAs are met
Conduct technical reviews, performance feedback, and skills development
Foster collaboration with Network, Security, Messaging, and Service Desk teams
Partner with stakeholders on voice roadmaps and modernization initiatives
Ensure compliance with security, regulatory, and operational standards
Participate in vendor management, contract reviews, and technology evaluations
Drive operational efficiency through automation, monitoring, and process improvement