Real-Time 5G/6G Modem Software Engineer

Nutanix; San Diego (CA); On-site; USD 115,000 - 172,000; Full time

Job summary

Qualcomm Technologies, Inc. in San Diego is seeking a modem software engineer to design and optimize firmware powering LTE, 5G-Advanced, and early 6G stacks across the Snapdragon portfolio.

You will work with cross-functional teams to ensure real-time performance on QuRT and other RTOS, implementing robust testing and bringing up new modem features for OEM and operator partners. This role emphasizes strong C/C++ design, embedded systems expertise, and a passion for advancing wireless

Qualifications

• Bachelor's degree in Computer Science, Electrical Engineering, or related field.
• 1–2 years of academic or industry experience in C/C++ programming.
• Foundational knowledge of embedded systems, RTOS, and algorithms.
• Familiarity with 3GPP 5G NR / LTE concepts is a plus.

Responsibilities

• Design, develop, debug, and optimize modem firmware/software for LTE, 5G-Advanced protocol stack layers and early 6G prototyping.
• Develop and maintain real-time embedded software on RTOS (QuRT) with latency/throughput constraints.
• Collaborate with systems, architecture, and hardware teams on modem bring-up and performance optimization.
• Write and maintain unit/integration tests and automation scripts for quality.
• Participate in code reviews, design discussions and technical documentation.

Skills

C/C++ programming

Real-time embedded systems

Problem-solving

Team collaboration

Education

Bachelor's degree in Computer Engineering / CS / Electrical Engineering

Master's degree (preferred)

Tools

QuRT

FreeRTOS

ThreadX

Zephyr

Job description

Qualcomm Technologies, Inc. in San Diego is seeking a modem software engineer to design and optimize firmware powering LTE, 5G-Advanced, and early 6G stacks across the Snapdragon portfolio.

You will work with cross-functional teams to ensure real-time performance on QuRT and other RTOS, implementing robust testing and bringing up new modem features for OEM and operator partners. This role emphasizes strong C/C++ design, embedded systems expertise, and a passion for advancing wireless