Senior Embedded 5GC Software Development Engineer

Nokia is seeking a Senior Embedded 5GC Software Development Engineer to drive innovation in 5G Core network functions. In this role, you will design and implement high-performance, 3GPP-compliant control-plane and user-plane functionality, focusing on ARM-based architectures.

Responsibilities:

• Develop embedded software for 5G Core network functions, including AMF, SMF, UPF, AUSF, UDM, PCF, and NRF
• Implement and maintain 5G protocols and procedures, such as NAS, NGAP, PFCP, and GTP-U
• Design and develop high-performance software using C, Go, and Rust
• Optimize software for Linux embedded systems on ARM-based platforms
• Create high-performance packet-processing components with DPDK
• Enhance system performance for latency, throughput, CPU usage, and memory efficiency
• Debug complex protocol, system, and performance issues using advanced tools
• Collaborate with cross-functional teams to ensure seamless integration
• Stay updated with the latest 5G Core technologies and industry trends

Requirements:

• Extensive experience in 5G Core architecture and call flows
• In-depth knowledge of 3GPP procedures, including registration, mobility, and session management
• Strong programming skills in C, with experience in Go or Rust
• Proficiency in Linux system programming and embedded Linux development
• Experience with ARM-based systems and multi-threaded programming
• Solid understanding of networking fundamentals (TCP/IP, UDP, SCTP, HTTP/2)
• Expertise in packet processing and performance tuning
• Familiarity with DPDK and its applications
• Strong debugging skills using tools like Wireshark, GDB, and tcpdump
• Experience in implementing 5G Core network functions in production