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

Perform 5G IODT (Inter-operability device testing) integrating Mavenir's 5G ORAN and core network with various UEs like Qualcomm MTPs, Samsung, Apple, MediaTek Chipsets in an end-to-end environment for the customers. Troubleshoot lab and field IODT issues (at customer cell sites) and work with cross- functional teams like System Engineering, Development and System Testing to fix them. Perform 5G ORAN product validation, feature validation, systems and performance analysis focusing on Air interface, end-to-end performance, and Call Processing. Prepare test strategies and write test cases by reading feature reference documents and 3GPP standard specifications and perform the required testing to make sure peak data throughputs are achieved in ideal lab conditions. Collect all required logs and create trouble tickets using Jira Tools. Install, upgrade and maintain upkeep of 5G ORAN labs in cloud native platform. Maintain the test-line sanity, troubleshoot and recovery of test networks in the lab. Prepare Lab/Data Schema for test lines depending on Radio/UE type/ Standalone/Non-Standalone 5G architectures. Prepare Method of Procedure (MOP) and troubleshooting guides for Integration testing of all new ORAN features.

Key Responsibilities

Perform 5G IODT (Inter-operability device testing) integrating Mavenir's 5G ORAN and core network with various UEs like Qualcomm MTPs, Samsung, Apple, MediaTek Chipsets in an end-to-end environment for the customers. Troubleshoot lab and field IODT issues (at customer cell sites) and work with cross- functional teams like System Engineering, Development and System Testing to fix them. Perform 5G ORAN product validation, feature validation, systems and performance analysis focusing on Air interface, end-to-end performance, and Call Processing. Prepare test strategies and write test cases by reading feature reference documents and 3GPP standard specifications and perform the required testing to make sure peak data throughputs are achieved in ideal lab conditions. Collect all required logs and create trouble tickets using Jira Tools. Install, upgrade and maintain upkeep of 5G ORAN labs in cloud native platform. Maintain the test-line sanity, troubleshoot and recovery of test networks in the lab. Prepare Lab/Data Schema for test lines depending on Radio/UE type/ Standalone/Non-Standalone 5G architectures. Prepare Method of Procedure (MOP) and troubleshooting guides for Integration testing of all new ORAN features.

Job Requirements

Requires a Bachelor’s degree (or foreign equivalent) in Electronics Engineering or a directly related field plus five (5) years of experience in telecommunications engineering. Experience must include:

Two (2) years of experience in each of the following (experience may be gained concurrently):

• Air-interface Protocols - RRC, RLC, MAC, PDCP, SDAP; Cellular network end-end call flows including Voice over NR (VoNR), Video over NR (ViNR), UDP or TCP Data calls, Intra-Frequency, Inter-Frequency Handovers, Network slicing, Carrier Aggregation, and MIMO.
• ETSI, 3GPP, or ORAN specification-based experience with 5G ORAN network Architectures, specifically focused on Radio Access Networks.
• End-to-end integration experience of 4G or 5G ORAN CU, DU, RU along with 4G or 5G core networks
• Experience with entity or system testing activities, including feature validation, test description documentation, parameter optimization, performance analysis, test strategy creation and problem troubleshooting on 5G RAN.
• Experience with Python and Shell scripting language to design and support the Call Flow Testing and debugging.
• Experience with test tools including protocol analyzers, XCAL/QXDM, Wireshark, Channel Emulator, Spectrum Analyzers and Signal Generators.

One (1) year of experience in each of the following (experience may be gained concurrently):

• Troubleshooting site issues using gNB call traces, wireshark pcaps and other relevant tools including QCAT

40 hours/week, 9:00am-5:00pm.

To apply, go to https://mavenir.com/about/?sc=careers and search for position # R0015288.

#LI-DNI

Accessibility

Mavenir is committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities. If you are a US applicant in need of special assistance or an accommodation while seeking employment, please e-mail careers@mavenir.com or call: +1-469-916-4393. We will make a determination on your request for reasonable accommodation on a case-by-case basis.

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.