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

Responsible for participating in the evolution and execution of procedures for ensuring the quality of new features and releases of software products. Debugs software products through the use of systematic tests to develop, apply, and maintain quality standards for company products. Develops, modifies, and executes software test plans, automated scripts and programs for testing. Analyzes and writes test standards and procedures. Maintains documentation of test results to assist in debugging and modification of software. Analyzes test results to ensure existing functionality and recommends corrective action. Consults with development engineers in resolution of problems. Provides feedback in preparation of technical appraisals of programming languages, systems, and computation software.

Key Responsibilities

• ✅ Requirement Analysis

  • Study the requirement documents thoroughly.
  • Conduct detailed discussions with the engineering and development teams to understand the scope of new features.

• 🧪 Test Case Design

  • Prepare extensive test cases covering all functional aspects of the new features.

• ⚙️ Test Environment Setup

  • Set up Kubernetes/OpenShift (K8s/OCP)-based clusters for functional and regression testing.

• 🤖 Test Automation

  • Automate all test cases using the Robot Framework.
  • Schedule regular execution of automated test suites for Sanity and Regression testing.

• 🔄 Environment Maintenance

  • Perform regular upgrades on the test setup to align with the latest releases.

• 🛠️ Customer Issue Support

  • Support analysis of issues reported from customer environments.
  • Incorporate similar scenarios into the functional test suite to ensure coverage.

• 📉 Capacity Testing

  • Execute small-capacity model tests within the functional setup to validate performance under constrained conditions.

Job Requirements

• In-depth knowledge of 5G Packet Core domain
• Working experience on an Open stack based Virtualized environment and Kubernetes based containerized environment.
• Working experience on one or more of following 5G Packet Core NFs: AMF, SMF, UPF, PCF, AUSF, NRF, NSSF and UDSF
• Thorough understanding of 3GPP specifications covering system architecture and procedures for the 5G Core network (3GPP 23.501 and 3GPP 23.502 specs)
• Good understanding of 3GPP specifications covering N1, N2, N3, N4, N6, N7, N8, N9, N10, N11, N12, N15, N20 and N40 Service Based Interfaces
• Good understanding of policy and charging in packet core domain
• Good understanding and working knowledge of Networking Layer 2 and Layer 3 protocols
• Hands on experience in using test tools including but not limited to Spirent Landslide and DSTest
• Knowledge of message flows and parameters used in the messages for 5GC procedures
• Understanding of latest 5G Release features like NB-IoT, 5G
• Working experience on Shell and Python scripting. Should be able to independently write and debug shell and python scripts

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.