Senior Wireless Protocol Stack Engineer — 5G/6G

Anite; San Diego (CA); On-site; USD 150,000 - 250,000; Full time

Benefits offered by this job

Medical, dental and vision

401(k) Plan

Flexible Time Off

Job summary

Keysight is seeking an experienced Wireless Software Engineer to advance 5G-Advanced and next-generation wireless technologies in San Diego. You will develop production-quality software, debug protocol stacks, and collaborate with customer teams and R&D to implement features addressing real-world needs.

The role emphasizes strong C/C++ and Python skills, Linux production environments, and deep 3GPP protocol knowledge across Layers 1-3. Travel up to 50% may be required.

Qualifications

• Bachelor's or Master's in Computer Science, Computer Engineering, Electrical Engineering, or related field.
• 8+ years of experience in software development for wireless communication systems.
• Strong software development experience in C/C++ and Python.
• Experience developing software in Linux environments.
• Solid understanding of 4G LTE, 5G NR, or 5G-Advanced technologies.
• Deep understanding of 3GPP protocols across Layers 1-3, particularly RRC and NAS.
• Hands-on software development experience within one or more wireless protocol stack layers.
• Proven experience as an R&D, platform, systems, or protocol-stack development engineer.

Responsibilities

• Design, develop, and enhance software features within wireless systems and protocol stacks.
• Develop production-quality software in C/C++ and Python for Linux.
• Analyze and debug issues across Layer 1–3 protocols.
• Investigate and troubleshoot issues across the full protocol stack.
• Modify existing software to address customer requirements.
• Develop APIs, tools, and diagnostics to improve productivity and visibility.
• Analyze logs, traces, and performance metrics to identify root causes.
• Build prototypes and validate new features and protocol enhancements.
• Collaborate with R&D teams to translate field findings into product improvements.
• Lead technical discussions with customers on protocol implementation and performance.

Skills

Strong problem-solving

Communication & collaboration

Root-cause analysis

Education

Bachelor's or Master's in CS/CE/EE

Tools

C/C++

Python

Linux

Job description

Keysight is seeking an experienced Wireless Software Engineer to advance 5G-Advanced and next-generation wireless technologies in San Diego. You will develop production-quality software, debug protocol stacks, and collaborate with customer teams and R&D to implement features addressing real-world needs.

The role emphasizes strong C/C++ and Python skills, Linux production environments, and deep 3GPP protocol knowledge across Layers 1-3. Travel up to 50% may be required.