Microsoft Teams Phone Administrator

Dev Technology • Reston, VA

3h • Remote

About The Position

Dev Technology Group is seeking a Microsoft Teams Administrator (Teams Calling Focus) to support enterprise administration, configuration, and operational sustainment of Microsoft Teams, including Teams Phone (Direct Routing), within a large federal environment. This role supports a mature deployment in which core calling capabilities (inbound/outbound) are already established, with a focus on day-to-day operations, user enablement, troubleshooting, and optimization. The position works under the guidance of a Senior Teams Phone SME, contributing to the ongoing success of enterprise voice services integrated with existing telephony infrastructure (e.g., Avaya). This role is suited for a hands-on administrator supporting large-scale environments, with a focus on balancing voice reliability, user experience, and operational efficiency. This role serves as a contributor within the collaboration and voice platform operations team, supporting administration and ongoing operations of Microsoft Teams Phone capabilities. You will administer Teams environments and support Direct Routing configurations, ensuring that voice services function reliably and align with enterprise requirements. Responsibilities include supporting user lifecycle management for voice services, validating call flows, troubleshooting issues, and coordinating with telephony and network teams to resolve incidents. You will monitor service health, voice quality, and system performance while supporting configuration and maintenance of calling features such as auto attendants, call queues, and routing policies. You will also contribute to documentation, knowledge sharing, and continuous improvement of operational processes and platform performance.

Requirements

• A Bachelor’s degree and a minimum of 6 years of professional experience
• Experience administering Microsoft Teams in enterprise environments
• Hands-on experience supporting enterprise Teams Phone deployments
• Experience with: Voice policies, dial plans, and number management, Call queues and auto attendants
• Familiarity with voice quality troubleshooting tools (CQD, Call Analytics)
• Familiarity with PowerShell for Teams administration
• Experience supporting large-scale user bases
• Strong troubleshooting and problem-solving skills in real-time operational environments
• Ability to work effectively with cross-functional teams (network, telephony, security)
• Strong communication skills for both technical and non-technical audiences

Nice To Haves

• Experience supporting federal or regulated environments (GCC/GCC High)
• Familiarity with Direct Routing architecture, including SBC concepts and call flows
• Experience working in hybrid telephony environments (e.g., Teams + Avaya)
• Understanding of network dependencies for voice (latency, jitter, packet loss)
• Experience supporting E911 / emergency calling requirements
• Experience contributing to incident response
• Experience supporting an environment with 1,000+ Teams Phone users

Responsibilities

• Administer Microsoft Teams environment, including Teams Phone (Direct Routing) configurations and policies
• Support user lifecycle management for voice services, including: Phone number assignment and management, Voice routing policies and dial plans, Device provisioning and configuration
• Assist with Direct Routing operations, including: Validation of call flows and routing behavior, Coordination with SBC/telephony teams (e.g., Avaya) for issue resolution
• Monitor and troubleshoot voice quality and call performance using tools such as Call Analytics and Call Quality Dashboard (CQD)
• Support configuration and maintenance of auto attendants, call queues, voicemail, call handling features, delegation, and shared calling scenarios
• Troubleshoot escalated issues related to: Call failures, latency, and quality issues, User configuration and policy mismatches, Client/device-related calling issues
• Monitor Teams service health and participate in incident response and escalation support (Tier 2/3 coordination)
• Support Teams governance and administration
• Document configurations, procedures, and troubleshooting guides
• Develop knowledge articles and job aids for Tier 1/2 support and end users
• Collaborate with engineering, network, and security teams to support ongoing improvements and optimization
• Stay current with Teams Phone capabilities, updates, and best practices

Benefits

• Choice of two health plans that include dental and vision
• Flexible spending account
• Commuter benefits
• Life insurance
• 401K matching with a 5% matching contribution
• Generous and flexible time-off policy
• Flexible work schedules and telework options, including remote work availability for eligible projects
• Career development opportunities including a mentorship program, technical and management training through Dev University, hands-on learning through DevLab, tuition reimbursement, and paid training opportunities
• Regular team and company social events including our annual party, happy hours, fitness challenges, and more
• A focus on community engagement including company wide support activities, employer match for donations, and time off for volunteer efforts

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level