Junior Protocol Test Engineer

About the Position

We are seeking a Junior Protocol Test Engineer to join our team in Bangalore, India. This role focuses on the quality assurance of 5G NR protocol features and various nodes within the 5G mobile communication system.

Responsibilities

• Perform validation of high technology solutions within the radio access network of the 5G mobile communication system.
• Contribute to the end-to-end testing cycle for specified entities, including Test Strategy/Design, Test case preparation, Test Execution, and Test automation.

Requirements

• Experience: 3 to 4 years in Wireless Telecommunications or Networking with hands-on experience in LTE/5G NR Layer-2 protocol software quality assurance.
• Education: B.E/B.S/B.Tech/M.S/M.E/M.Tech in EC/EE/CS or any other equivalent degree.
• Skills Required:
  • In-depth knowledge of LTE/5G NR 3GPP Specification, specifically protocols like 5G RRM/L1/L2/XNAP/X2AP/NGAP.
  • Well-versed with 5G call flows/use cases and in-depth understanding of Layer1 - Layer2 interfaces and Layer2 - Layer3 interfaces.
  • Experience in debugging complex gNodeB issues, log file analysis, etc.
  • 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.
  • Domain Knowledge in CloudRAN: Specific knowledge around CloudRAN implementations, such as virtualized Distributed Units (vDU), RAN technologies, and connectivity protocols.
  • 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.
  • Experience of agile ways of working.
  • Experience from cloud technologies like microservices, containers, etc. is also a merit.
  • Excellent communication skills and enjoyment working in a dynamic and global environment.

We Offer

• Competitive salary
• Opportunity to work in a diverse and inclusive environment
• Professional growth and development opportunities

About the Company

We are Tieto, a leading software and technology consulting company. We provide mission-critical solutions across different industries through our specialized software businesses Tieto Caretech, Tieto Banktech, and Tieto Indtech, as well as Tieto Tech Consulting business. Our around 14,000 talented experts are dedicated to empowering our customers to succeed and innovate with the latest technology. Tieto’s annual revenue is approximately EUR 2 billion. The company’s shares are listed on the NASDAQ exchange in Helsinki and Stockholm, as well as on Oslo Børs.

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