• Microsoft Teams Phone Technical Specialist

    System One (Rockville, MD)


    Job Title: Microsoft Teams Phone Technical Specialist

     

    Type: Contract - 1+ years

     

    ALTA is seeking an experienced and results-driven Microsoft Teams Phone Technical Specialist to lead and support the migration of over 7,000 telephone service users from the client’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.

    Key Responsibilities:

    + Serve as the technical lead for the migration of the client’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.

    + 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 Network Operations 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.

    Required Qualifications:

    + Proven experience managing large-scale telephony operations and migrations to Teams Phone.

    + 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.

    Preferred Experience:

    + Background in enterprise IT or unified communications environments.

    + Familiarity with user training and change management related to UC migrations.

    #M2

    #LI-CB3

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    System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

     

    System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

     

    Ref: #850-Rockville (ALTA IT)

     

    System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

     

    System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.