We are seeking a User Migration Consultant to support the transition of enterprise telephony services to Microsoft Teams Operator Connect. This is a hands-on technical role focused on planning, coordinating and executing user and number migrations in a structured, scalable, and low-risk manner.

Key Responsibilities:

• Analyze existing telephony environments, including number inventories, routing logic, carrier allocations, and legacy voice infrastructure.
• Identify discrepancies, dependencies, and potential migration risks across systems and vendors.
• Consolidate and normalize data to support porting strategies, rollout sequencing, and vendor coordination.
• Document number ownership, service classifications, and contractual details.
• Prepare and validate porting documentation in alignment with carrier requirements.
• Submit and track number porting requests, handling rejections and remediation cycles when necessary.
• Coordinate with telecom providers regarding timelines, contractual obligations, and regulatory constraints.

• Support pilot migrations and define fallback strategies.

Required Skills & Experience:

• Strong knowledge of enterprise telephony concepts, including DIDs, call routing, SIP, SBC behavior, PSTN fundamentals, and carrier porting processes
• Hands-on experience with Microsoft Teams Voice solutions, including Operator Connect and/or Direct Routing
• Proven ability to analyze complex datasets, reconcile discrepancies, and structure technical inventories
• Experience supporting phased migrations, cutover activities, and large-scale user transitions
• Solid understanding of voice testing methodologies and validation processes
• Strong documentation skills and ability to create structured, repeatable procedures
• Detail-oriented mindset with a systematic and risk-aware approach to execution.