Voip Engineer

K&K Talents
Mountain View, CA

Role: Telephony Automation & VoIP Platform Engineer

Location: Mountain View CA ( 5 days Onsite)

Job Type: Contract


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.


Key Responsibilities

VoIP Platform & Device Management

  • 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.

Large-Scale Migrations & Validation

  • 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.

Automation & Scripting

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

API & Integration Work

  • 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.

Data Analysis & Troubleshooting

  • Write SQL queries for data collection, analysis, and reconciliation. Experience with BigQuery 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.


Mandatory Skills (Must-Have)

Telephony & Networking

  • Strong VoIP experience
  • ATA device experience (mandatory), specifically Polycom ATA 400
  • SIP & TLS
  • TCP/IP fundamentals
  • Wireshark / packet capture

Device Provisioning

  • TR-069 (remote provisioning and device management)

Automation & Cloud

  • Python scripting
  • General scripting (Shell/Bash)
  • Linux system administration
  • Google Cloud Platform (GCP) experience

APIs & Data

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

Domain Background

  • Experience working in a Telecom / ISP / ITSP environment


Nice-to-Have Skills

  • Cloud certifications (GCP preferred)
  • Experience with large-scale telecom customer migrations
  • Vendor integration and coordination experience
  • Exposure to voice platform transitions (legacy → third-party VoIP platforms)


Ideal Candidate Background

  • Telephony / VoIP Engineer
  • Telecom Platform Engineer
  • ITSP / ISP Engineer
  • VoIP Automation or Migration Engineer


Candidates should be comfortable owning a platform, understanding how systems fit together, and working across teams to deliver reliable voice services.

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