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 platformsKey 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
Accessibility
Mavenir is committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities. If you require any assistance, please state in your application or contact your recruiter.
Mavenir is an Equal Employment Opportunity (EEO) employer and welcomes qualified applicants from around the world, regardless of their ethnicity, gender, religion, nationality, age, disability, or other legally protected status.
Skills Required
- 5-8 years of relevant experience in testing
- Experience testing IMS-based telecom products
- Knowledge of IMS architecture, SIP, SDP, RTP/SRTP, RTCP, Diameter, HTTP/REST APIs, and WebRTC
- Experience with IMS network elements including SBC, TAS/Application Server, MRF, and IMS core components
- Python automation experience
- Experience with API automation and PyTest or Robot Framework
- Experience with Kubernetes, Docker, Helm, microservices, and cloud-native deployments
- Experience with CI/CD tools such as Jenkins, GitLab, or GitHub Actions
- Experience analyzing SIP traces and media flows using Wireshark, HOMER, or equivalent tools
- Experience with telecom testing tools such as Spirent Landslide, Spirent Abacus, Ixia, or SIPp
- OpenShift experience
- Prometheus and Grafana experience
- Availability to join immediately
- Currently working in Bangalore
Mavenir Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Mavenir and has not been reviewed or approved by Mavenir.
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Leave & Time Off Breadth — PTO, paid holidays and sick time are consistently part of the package, with parental leave also highlighted. Time off is often regarded as a strong aspect of the offering.
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Healthcare Strength — Core medical, dental, and vision coverage—along with disability options—are presented as part of a comprehensive program. Wellness and assistance resources further support employee health needs.
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Wellbeing & Lifestyle Benefits — Employee assistance, wellness initiatives, recognition programs, learning via Mavenir University, and volunteer PTO (MAVcares) expand support beyond core insurance. These extras are positioned as meaningful add-ons to the overall package.
Mavenir Insights
What We Do
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 focused on 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.
