About DMI:
DMI is a leading provider of digital services and technology solutions, headquartered in Tysons Corner, VA. With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations, and application development, DMI supports public sector agencies and commercial enterprises around the globe. Recognized as a Top Workplace, DMI is committed to delivering secure, efficient, and cost-effective solutions that drive measurable results. Learn more at www.dminc.com
About the Opportunity:
DMI, LLC is seeking a Microsoft Teams Phone Technical Specialist to lead and support the migration of over 7,000 telephone service users from the county’s on-premises telephony systems to Microsoft Teams Phone with Operator Connect. The ideal candidate will have deep technical expertise in Microsoft Teams Phone deployment and configuration and hands-on experience managing large-scale enterprise telephony migration operations.

PREFERRED EXPERIENCE:

• Background in enterprise IT or unified communications environments.
• Familiarity with user training and change management related to UC migrations.
• Contract staff will work side-by-side with County staff to facilitate knowledge transfer.
  Min Citizenship Status Required: H 1B
  Physical Requirements: No Physical requirement needed for this position.
  Location: Hybrid. 101 Monroe Street, 2nd Floor, Rockville, MD 20850.
  Working at DMI:
  DMI is a diverse, prosperous, and rewarding place to work. Our culture is shaped by five core values that guide how we work, grow, and succeed together:

Do What’s Right – We lead with honesty and integrity.

• Own the Outcome – We take responsibility and deliver.
• Deliver for Our Customers – We are relentless about delivering value.
• Think Bold, Act Smart – We innovate with purpose.
• Win Together – We collaborate and celebrate our success.

These values aren’t just ideals—they show up in how we support every part of your well-being:
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Convenience/Concierge – Virtual health visits, commuter perks, pet insurance, and entertainment discounts that make life easier.

• Development – Annual performance reviews, tuition assistance, and internal career growth opportunities to help you thrive.
• Financial – Generous 401(k) matches, life and disability insurance, and financial wellness tools to support your future.
• Recognition – Annual awards, service anniversaries, referral bonuses, and peer-to-peer shoutouts that spotlight your achievements.
• Wellness – Healthcare coverage, wellness programs, flu shots, and biometric screenings to support your health.

DMI values employees for their talents and contributions, and we take pride in helping our customers achieve their goals. Because when we live our values, we all win together.

Required Qualifications:

• Proven experience managing large-scale telephony operations and migrations to TeamsPhone.
• Strong knowledge of Teams Phone, Operator Connect, and Microsoft 365 administration.
• Proficiency in setting up and managing Teams voice configurations, including dial plans, direct routing, calling policies, and voice routing.
• Experience working with telecom carriers, SBCs, and network infrastructure related to voice services.
• Strong troubleshooting and diagnostic skills for telephony and VoIP systems.
• Ability to collaborate with cross-functional teams and communicate technical concepts clearly.
• Familiarity with PowerShell scripting for Microsoft Teams administration is a plus.
• Relevant certifications (e.g., Microsoft 365 Certified: Teams Administrator Associate) are a strong advantage

• Serve as the technical lead for the migration of the county’s on-premises telephony services to Microsoft Teams Phone with Operator Connect.
• Work closely with internal telecom support staff, IT teams, and Microsoft partners to plan, configure, test, and implement Teams Phone telephony solutions.
• TOPR Number M632-26-TEBS
• Work with the Telecom team to provision and configure Microsoft Teams Phone users, including assigning numbers, enabling calling plans, configuring calling policies, auto attendants, call queues, and other voice features.
• Work with the project manager to develop migration strategies and support a phased rollout schedule for user groups and departments, ensuring a smooth transition with minimal disruption.
• Assist telecom and IT support staff in troubleshooting and resolving Teams Phone telephony issues, including call quality, connectivity, and feature functionality concerns.
• Document processes, configurations, and troubleshooting guides for internal support handover.
• Assist with establishing service and call quality monitoring capabilities and related NetworkOperations Center support
• Assist in user acceptance testing, training coordination, and post-migration support.
• Provide expert-level guidance on Microsoft 365 and Teams Phone voice integration best practices.
• Maintain clear communication with stakeholders and project managers on progress, risks, and issues.
  Qualifications:

Required Qualifications:

• Proven experience managing large-scale telephony operations and migrations to TeamsPhone.
• Strong knowledge of Teams Phone, Operator Connect, and Microsoft 365 administration.
• Proficiency in setting up and managing Teams voice configurations, including dial plans, direct routing, calling policies, and voice routing.
• Experience working with telecom carriers, SBCs, and network infrastructure related to voice services.
• Strong troubleshooting and diagnostic skills for telephony and VoIP systems.
• Ability to collaborate with cross-functional teams and communicate technical concepts clearly.
• Familiarity with PowerShell scripting for Microsoft Teams administration is a plus.
• Relevant certifications (e.g., Microsoft 365 Certified: Teams Administrator Associate) are a strong advantage.