4g/5g Packet Core Hiring- System Testing

5 days ago

Bengaluru Karnataka, India Mavenir Full time

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

Prepares test and diagnostic programs, designs test fixtures and equipment, and completes specifications and procedures for new products.

Key Responsibilities

Job Requirements
- Self-starter who likes debugging complex issues and takes pride in finding issues on the device under test
- In-depth knowledge of LTE and 5G Core(SMF/UPF) domain
- Thorough understanding of 3GPP specs covering S1AP, NAS, GTPv1, GTPv2 ,HTTP2, PFCP protocols
- Strong skills on IP, TCP, K8s, container and dockers.
- Good working knowledge of Gx, Gy and Gz
- Good working knowledge of PCRF, OCS and diameter based charging and policy control
- Hands on work experience of testing SMF,SGW, PGW and SAEGW
- Hands on experience in using test tools including but not limited to
- UE and Core Node Simulators like Spirent Landslide, EAST and NG4T
- Application traffic generators like iPerf, IxLoad etc
- Knowledge of message flows and parameters used in the messages for LTE procedures
- Understanding of latest LTE Release features like NB-IoT, 5G
- Good understanding of open stack and container based virtualized environments
- Good understanding of Network Function Virtualization concepts
- Good understanding and working experience with scripting languages like Python and Tcl to write and debug scripts

Job Requirements

Job Requirements
- Self-starter who likes debugging complex issues and takes pride in finding issues on the device under test
- In-depth knowledge of LTE and 5G Core(SMF/UPF) domain
- Thorough understanding of 3GPP specs covering S1AP, NAS, GTPv1, GTPv2 ,HTTP2, PFCP protocols
- Strong skills on IP, TCP, K8s, container and dockers.
- Good working knowledge of Gx, Gy and Gz
- Good working knowledge of PCRF, OCS and diameter based charging and policy control
- Hands on work experience of testing SMF,SGW, PGW and SAEGW
- Hands on experience in using test tools including but not limited to
- UE and Core Node Simulators like Spirent Landslide, EAST and NG4T
- Application traffic generators like iPerf, IxLoad etc
- Knowledge of message flows and parameters used in the messages for LTE procedures
- Understanding of latest LTE Release features like NB-IoT, 5G
- Good understanding of open stack and container based virtualized environments
- Good understanding of Network Function Virtualization concepts
- Good understanding and working experience with scripting languages like Python and Tcl to write and debug scripts

Accessibility

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.

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