
Senior Radio Network Engineer
5 days ago
Job Description
We are seeking a highly skilled engineer to develop, debug, and optimize cellular radio products compliant with 3GPP specifications.
Key Responsibilities
- Develop cellular radio products adhering to 3GPP specifications for LTE (E-UTRA) and NR (5G).
- Design and implement features across Layer 2 (MAC, RLC, PDCP) and Layer 3 (RRC) protocol stacks.
- Perform log analysis and debugging for customer-reported issues and internal QA defects.
- Work with debugging and analysis tools such as GDB, QXDM, TM500, QCAT, etc.
- Collaborate with cross-functional teams to ensure seamless integration and testing.
- Manage source code and collaborate using Git in a Linux environment.
Required Skills & Qualifications
- Hands-on development experience with Cellular Radio products (LTE/5G) per 3GPP specifications.
- Strong knowledge of RAN protocols and interfaces.
- Solid understanding of PHY, MAC, RLC, PDCP, and RRC layers.
- Proficiency in C/C++ programming on Linux OS.
- Strong debugging and log analysis skills in Linux with tools such as GDB, QXDM, TM500, QCAT.
- Experience with Ethernet, TCP/IP, UDP communication interfaces.
- Familiarity with Git for version control.
Preferred Qualifications
- Exposure to CI/CD workflows and Agile development methodologies.
- Experience with test automation frameworks for protocol validation.
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