Senior Test Engineer, IMS & AI Communication Products

About this role

Mavenir is building the future of networks and pioneering advanced technology, focusing on the vision of a single, software-based automated network that runs on any cloud. As the industry's only end-to-end, cloud-native network software provider, Mavenir is transforming the way the world connects, accelerating software network transformation for 250+ Communications Service Providers in over 120 countries, which serve more than 50% of the world’s subscribers.

Role Summary

We are looking for a highly skilled Senior Test Engineer with 5-6 years of experience in testing IMS-based telecom products and next-generation AI-powered communication applications, including Voice Translation, Speech Processing, Conversational AI, and Real-Time Media platforms

Key Responsibilities

IMS & Telecom Testing

• Perform functional, integration, system, performance, and regression testing of IMS-based products.
• Validate end-to-end call flows across IMS network elements.
• Analyze and troubleshoot telecom signaling and media issues.
• Execute interoperability testing with various IMS components and network elements.
• Perform capacity, load, scalability, failover, resiliency, and soak testing.

AI Product Testing

- Test AI-powered communication products such as:
- Voice Translation
- Speech-to-Text (STT)
- Text-to-Speech (TTS)
- Conversational AI / Voice Bots
- Real-time Media Processing
- Validate AI inference accuracy, latency, scalability, and multilingual capabilities.
- Develop test scenarios for AI model validation and user experience verification.

Automation & Cloud-Native Testing

• Design and implement automation frameworks using Python.
• Develop test scripts for validating APIs, SIP call flows, and media scenarios.
• Execute testing in Kubernetes/OpenShift environments.
• Validate deployment, upgrade, rollback, and high-availability scenarios.

Protocol & Media Validation

• Analyze SIP traces using Wireshark, HOMER, or equivalent tools....