The Role
Design and implement high-performance, 3GPP-compliant 5G Core control- and user-plane functions on ARM-based embedded Linux. Develop in C/Go/Rust, use DPDK for packet processing, optimize latency/throughput, debug protocol and performance issues, and collaborate cross-functionally to integrate carrier-grade systems.
Summary Generated by Built In
We are 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. Your expertise will contribute to building robust, carrier-grade systems, ensuring optimal performance and reliability.
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.
- 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.
- Preferred: Experience in implementing 5G Core network functions in production.
- Strong debugging skills using tools like Wireshark, GDB, and tcpdump.
Skills Required
- Extensive experience in 5G Core architecture and call flows
- In-depth knowledge of 3GPP procedures (registration, mobility, 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
- Implement and maintain 5G protocols and procedures (NAS, NGAP, PFCP, GTP-U)
- Strong debugging skills using tools like Wireshark, GDB, and tcpdump
- Experience implementing 5G Core network functions in production
Nokia Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Nokia and has not been reviewed or approved by Nokia.
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Parental & Family Support — Paid parental leave is positioned as a global minimum policy offering at least 90 days of paid leave with return-to-work protections, regardless of gender. Feedback suggests this establishes a strong baseline for new parents across locations.
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Healthcare Strength — Health coverage commonly includes medical and disability insurance, alongside a global life-insurance commitment being implemented. Feedback suggests these elements create a solid core of protection within the total package.
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Wellbeing & Lifestyle Benefits — Work-life balance is supported by flexible or hybrid work options plus wellness programs, occupational health services, gyms, and around-the-clock support in some locations. Feedback suggests this breadth elevates day-to-day quality of life and makes the benefits feel above average.
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The Company
What We Do
At Nokia, we create technology that helps the world act together. As a trusted partner for critical networks, we are committed to innovation and technology leadership across mobile, fixed and cloud networks. We create value with intellectual property and long-term research, led by the award-winning Nokia Bell Labs. Adhering to the highest standards of integrity and security, we help build the capabilities needed for a more productive, sustainable and inclusive world.
