Voice platform Engineer

Mountain View, CA, US • Posted 30+ days ago • Updated 6 days ago
Full Time
On-site
Fitment

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Job Details

Skills

  • VOIP

Summary

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 (Google Cloud Platform) 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 (Google Cloud Platform 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

CST provides its clients with complete, cost-effective, end-to-end personnel solutions across a range of industrial domains. CST's mission is to empower businesses around the world to make better, faster operational decisions.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.
  • Dice Id: 90934189
  • Position Id: 2026-4482
  • Posted 30+ days ago
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