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), Java and 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 in CloudRAN: Specific knowledge around CloudRAN implementations, such as virtualized Distributed Units (vDU), RAN technologies, and connectivity protocols, is required.
- 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
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