Microsoft Teams External Calling & Session Border Controller Engineer

Role summary

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EY is seeking an engineer to support Microsoft Teams external calling and Session Border Controller environments in Taguig. The role typically requires experience with Microsoft Teams Phone, Direct Routing, SBC platforms, SIP, telephony, voice routing, networking, troubleshooting, and enterprise collaboration technologies. Candidates should be comfortable configuring and monitoring voice connectivity, resolving incidents, coordinating with vendors and internal teams, and documenting technical solutions. Familiarity with Audiocodes, Ribbon, or similar SBC products, PowerShell, Microsoft 365 administration, and IT service-management practices is advantageous. Strong communication skills, analytical thinking, customer focus, and the ability to work across time zones are expected. Relevant certifications and experience in enterprise voice or unified communications would strengthen an application.

About the employer

EY, formerly Ernst & Young, is a global professional-services organization providing assurance, consulting, strategy and transactions, and tax services. Its teams work with public and private-sector clients on financial reporting, business transformation, technology modernization, risk management, and regulatory challenges. EY Philippines has offices and delivery operations supporting local and international engagements, including technology, managed services, cybersecurity, cloud, data, and enterprise applications. The organization operates through multidisciplinary teams and places emphasis on professional development, collaboration, ethical conduct, and creating long-term value for clients and communities. A technology engineering role at EY may involve supporting internal platforms, client environments, or global delivery services, with structured processes and exposure to multinational stakeholders. Actual responsibilities, benefits, working arrangements, and career progression depend on the employing EY entity and the specific engagement.