VoIP Tech Support Engineer

An international product company is looking for an experienced VoIP Tech Support Engineer to own business-critical communication systems powering customer interactions.

You'll work with cloud telephony providers, messaging platforms, APIs and automation while ensuring high availability and reliability across all communication channels.
 

Responsibilities

• Administer cloud telephony platforms (Twilio, Vonage, Voximplant or similar)
• Configure SIP trunks, routing rules, IVR, call queues and forwarding logic
• Support voice, SMS, email and WhatsApp communication channels
• Monitor service quality, spam reputation and delivery performance
• Investigate incidents using logs and provider tools
• Build integrations using REST APIs, JSON, Webhooks and WebSockets
• Collaborate with software engineers on new communication features
• Improve operational efficiency through automation
   

Requirements

• Strong knowledge of SIP, VoIP and IP telephony
• Experience with cloud communication providers
• Understanding of call routing and telecom infrastructure
• Experience troubleshooting production systems
• Comfortable reading logs and working with APIs
• Upper-Intermediate English or higher
   

Bonus

• WhatsApp Business API
• Email infrastructure
• SQL
• AI tools
• Experience in fast-growing startups