Junior Protocol Test Engineer- Tieto Tech Consulting (m/f/d)- Looking for immediate joiners

Tieto Deutschland GmbH; Bengaluru; On-site; INR 800,000 - 1,200,000; Full time

Job summary

Tieto Bengaluru is seeking a Junior Test Engineer to drive QA of 5G NR protocol features and LTE/5G node validation. You will contribute to end-to-end testing, including test strategy, design, execution, and automation in the radio access network.

The candidate should have 3–4 years in wireless telecom or networking, with hands-on LTE/5G NR Layer-2 knowledge, and strong debugging and log-analysis skills using tools like Wireshark and IPERF.

Qualifications

• Hands-on experience with LTE/5G NR 3GPP specs and protocols.
• Ability to perform validation and testing in radio access networks.
• Proficient in debugging complex network issues and log analysis.

Responsibilities

• Drive quality assurance of 5G NR protocol features and nodes.
• Perform end-to-end testing: test strategy, design, execution, and automation.
• Contribute to test planning, case preparation, and validation activities.
• Collaborate in a global, agile team to deliver robust solutions.

Skills

LTE/5G NR protocols

5G call flows

Layer1-3 interfaces

Debugging gNodeB issues

Log analysis

C++

Java

Python

Agile / Dvpt

Network protocols

Education

B.E./B.Tech in EC/EE/CS

M.S./M.Tech in EC/EE/CS

Tools

VS Code

Git

Gerrit

Bazel

Docker

Kubernetes

Wireshark

IPERF

QXDM

Job description

Job Title: Junior Test Engineer

Location: Bangalore

Experience

3 to 4 Years experience in Wireless Telecommunications or Networking background having hands on experience in LTE/5G NR Layer-2 protocol software quality assurance.

Education

B. E/ B. S/ B. Tech/ M.S/ME/MTech in EC/EE/CS or any other equivalent degree.

Job Description

As a Junior Test Engineer, you will be responsible for driving the quality assurance of 5G NR protocol features and different node of 5G. You will perform the validation of high technology solutions within the radio access network of the 5G mobile communication system. Contribution in end-to-end testing Cycle for the specified entities Test Strategy/Design, Test case preparation, Test Execution, Test automation.

• A strong individual contributor with extensive Integration and Verification /Feature and Performance testing experience in Wireless Domain 5G / 4G.

Skills Required

• Candidate should possess in-depth knowledge of LTE/5G NR 3GPP Specification - specifically protocols like 5G RRM/L1/L2/XNAP/X2AP/NGAP.
• Candidate should be well verse with 5G call flows/use cases and in depth understanding of Layer1 - Layer2 interfaces and Layer2 - Layer3 interfaces
• Must have experience in debugging complex gNodeB issues, log file analysis etc.
• Candidate must have knowledge of networking protocols like TCP/IP, UDP, SCTP etc.
• Programming skills:C++ (target),Javaand Python (testers),VsCode, Git, Gerrit
• Build systems:Bazel
• Cloud Basics:Understanding key cloud concepts, including containers, Docker, Kubernetes, and cloud-native architectures, is crucial.
• Domain Knowledge inCloudRAN:Specific knowledge aroundCloudRANimplementations, such as virtualized Distributed Units (vDU), RAN technologies, and connectivity protocols, isrequired.
• Proficient in test methodologies, tools, and simulators at the system and node level.
• Should have experience in log analysis of failed use cases and getting to the root cause.
• Knowledge of IPERF, Wireshark and UE Simulators such as TMA/TM500 (Viavi), QXDM, Amari soft is desirable
• Strong understanding of 3GPP radio access standardization of LTE/5G NR, ORAN split architecture (preferably Radio protocols), including algorithms and protocols.
• Proficient in using version control tools such as Git, Gerrit, and project management tools like Jira.
• The candidate should have experience of agile ways of working.
• Experience from cloud technologies like microservices, containers, etc. is also a merit.
• Candidate should have excellent communication skills and enjoy working in a dynamic and global environment.

Additional Information

At Tieto, we believe in the power of diversity, equity, and inclusion. We encourage applicants of all backgrounds, genders (m/f/d), and walks of life to join our team, as we believe that this fosters an inspiring workplace and fuels innovation.Our commitment to openness, trust, and diversity is at the heart of our mission to create digital futures that benefit businesses, societies, and humanity. Diversity, equity and inclusion | Sustainability | Tieto