VoIP Platform Engineer

K&K Talent Solutions inc is an International recruiting agency that has been providing technical resources in the European, Canada and the USA region since 1993.

This position is with one of our clients in USA
, who is actively hiring candidates to expand their teams.

We are seeking a Telephony Automation & VoIP Platform Engineer to support large-scale voice platform operations and migrations in a telecom/ISP environment.

This is a hands‑on engineering role combining VoIP, device provisioning, cloud automation, API validation, and data analysis. The engineer will act as a platform owner, working across systems rather than in a siloed QA or automation‑only role.

• Manage and support VoIP platform Qualification, such as registration / monitoring / calling / billing capabilities
• Configure, provision, and maintain ATA devices, specifically Polycom ATA 400.
• Perform remote device provisioning and lifecycle management using TR-069.
• Troubleshoot SIP signaling, TLS security, and voice traffic issues.

• Lead and support large-scale customer migrations (tens of thousands of users) from legacy voice platforms to modern VoIP stacks.
• Validate end-to-end provisioning, peering, and service operability post‑migration.
• Perform pre‑ and post‑migration data validation to ensure accuracy and completeness.

• Develop scripts (primarily Python) to automate:
• Sequences of REST API calls
• Error detection and reporting
• Support automation for testing, provisioning validation, and operational checks.
• Work in Linux environments to support scripts and system operations.

• Validate data exchanged between vendor‑provided devices, vendor APIs, and internal systems.
• Use REST APIs and tools such as Postman to test, validate, and debug integrations.
• Create or support APIs for internal system consumption of validated data.

• Write SQL queries for data collection, analysis, and reconciliation. Experience with Big Query and Looker studio prefferred
• Use Wireshark / packet capture tools to troubleshoot TCP/IP, SIP, and TLS issues.
• Collaborate with vendors, engineering teams, and operations teams to resolve issues.

• ATA device experience (mandatory), specifically Polycom ATA 400
• SIP & TLS
• Wireshark / packet capture
• TR-069 (remote provisioning and device management)

• Python scripting
• General scripting (Shell/Bash)

• REST APIs
• Postman
• SQL (data validation and analysis)

• Experience working in a Telecom / ISP / ITSP environment