ScalableOS

Sr. Engineer, Microsoft Teams

ScalableOS  •  Republic of the Philippines (Hybrid)  •  20 days ago
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Job Description


SUMMARY
The
Sr. Engineer, Microsoft Teams Calling
is responsible for leading all phases of collaboration and voice projects from a technical perspective, including discovery, design, implementation, and ongoing support, with a primary focus on Microsoft Teams Calling and the broader Microsoft 365 collaboration ecosystem. This role partners closely with clients to drive adoption of cloud voice, telephony modernization, and workload transformation to meet business objectives.

JOB RESPONSIBILITIES

  • Serve as technical lead throughout discovery, design, and implementation project phases.

  • Collaborate with Project Managers to ensure successful project delivery and customer satisfaction.

  • Work closely with solution architects to develop high-level designs and translate them into detailed low-level designs.

  • Implement Microsoft Teams Calling solutions including Direct Routing, Operator Connect, and Calling Plans.

  • Lead deployment of new customer environments and provide knowledge transfer to support teams.

  • Develop and maintain high-quality technical documentation and deliverables.

  • Troubleshoot and resolve complex voice, networking, and integration issues.

  • Collaborate with vendors, carriers, and cross-functional engineering teams to deliver end-to-end solutions.

  • Build and maintain trusted advisor relationships with clients.

  • Provide guidance aligned with industry best practices and Microsoft recommendations.

  • Assist in pre-sales efforts including solution design, scoping, and client presentations.

  • Stay current with Microsoft technologies through training, certifications, and industry engagement.

  • Participate in on-call rotations and support escalations as needed.

  • Perform additional duties and projects as assigned.

QUALIFICATIONS

  • Bachelor’s degree in Computer Science or equivalent experience.

  • Minimum 5+ years of experience in collaboration and unified communications.

  • Strong expertise in Microsoft Teams Calling, including:

    • Direct Routing (SBC configuration and integration)

    • Operator Connect

    • Microsoft Calling Plans

    • Understanding of call policies (i.e. - Caller ID policies, Call Hold policies, Voicemail policies, Emergency Calling policies, Voice Routing policies)

    • Understanding of different voice licensing options (i.e. - Microsoft Teams Phone, Microsoft Teams Shared Devices, Teams Premium, Microsoft Teams Phone Resource Account)

    • Understanding of Microsoft SIP Gateway

    • Understanding of dial scopes

    • Understanding of Auto Attendants/Call Queues

    • Understanding of Queues App

  • Microsoft certifications preferred:

    • Microsoft 365 Administrator

    • Microsoft 365 Teams Administrator Associate

    • Microsoft 365 Collaboration Communications Systems Engineer Associate

  • Experience with Microsoft 365 ecosystem including Teams, Exchange Online, Azure AD, and licensing.

  • Hands-on experience with Session Border Controllers (AudioCodes, Ribbon, Cisco CUBE, etc.).

  • Strong understanding of VoIP, SIP signaling, dial plans, voice routing, and telephony concepts.

  • Experience with legacy or hybrid telephony platforms (Cisco, Avaya, etc.) and migration strategies.

  • Knowledge of networking fundamentals (DNS, firewalls, QoS, routing).

  • Experience with PowerShell scripting and automation in Microsoft environments.

  • Familiarity with monitoring and troubleshooting tools for Teams voice quality (CQD, Call Analytics).

  • Excellent organizational and documentation skills.

  • Self-motivated with the ability to work independently and as part of a team.

  • Strong communication and client-facing skills.

  • Ability to adapt to evolving technologies and processes.

  • Ability to work flexible hours, including after-hours maintenance windows.

JOB REQUIREMENTS

  • Should be willing to accept a long-term work-from-home arrangement.

  • Should be amenable to a permanent night shift schedule.
ScalableOS

About ScalableOS

ScalableOS is a premium offshore staffing partner offering custom solutions for MSPs and Tax & Accounting firms. We provide dedicated staff based in the Philippines, fully integrated into your operations and 100% under your management. Your team with us operates as an extension of yours! Recognized on the Inc. 5000 list of America’s fastest-growing private companies, we’re experts in helping MSPs and Tax & Accounting firms grow quickly and profitably.

Industry
Consulting & Advisory
Company Size
51-200 employees
Headquarters
Seattle, Washington
Year Founded
Unknown
Website
scalableos.com
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