Senior Test Engineer, IMS & AI Communication Products

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.
- Validate RTP, SRTP, RTCP media flows.
- Debug signaling and media issues across distributed systems.

Review logs, packet captures, and KPIs to identify product defects

Job Requirements

- Telecom / IMS: IMS Architecture, SIP, SDP, RTP/SRTP, RTCP, Diameter, HTTP/REST APIs, WebRTC
- IMS Network Elements: SBC, TAS/Application Server, MRF, IMS Core Components
- Cloud & Containerization: Kubernetes (K8s), Docker, Helm, Microservices, Cloud-Native Deployments, OpenShift (Plus)
- Automation: Python (Mandatory), API Automation, PyTest/Robot Framework, CI/CD (Jenkins, GitLab, GitHub Actions)
- Testing & Monitoring Tools: Spirent Landslide, Spirent Abacus, Ixia, Wireshark, HOMER, SIPp, Prometheus/Grafana (Preferred)
- Experience: 5 - 8 years of relevant experience
- Candidates available to join immediate and currently working in Bangalore are preferred

📌 Senior Test Engineer (Bengaluru)
🏢 Mavenir
📍 Bengaluru