Modem System Test Engineer - 5G/6G Validation

Qualcomm; San Diego (CA); On-site; USD 89,000 - 134,000; Full time

Job summary

Qualcomm Technologies, Inc. seeks a motivated engineer to join the Modem System Test (MST) team in San Diego. You will contribute to validating end-to-end system functionality for 5G/6G modems, collaborating with software, hardware, and RF teams to ensure robust, scalable wireless solutions.

The role emphasizes lab-based testing, data-driven performance optimization, and cross-functional collaboration. A strong foundation in wireless protocols and hands-on testing is essential for success.

Qualifications

• Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science, or a related field.
• Strong understanding of digital and wireless communication systems and RF propagation.
• Knowledge of 5G NR PHY, MAC, RLC, PDCP, and RRC protocols.
• Experience with test equipment such as protocol simulators and channel emulators.

Responsibilities

• Validate end-to-end system functionality and performance across the cellular protocol stack (PHY, MAC/RLC/PDCP, RRC, NAS, TCP/IP).
• Define modem KPIs and evaluate system performance using data from conducted, radiated, and live 6G/5G testing.
• Develop and execute system-level test strategies and test plans for modem features and use cases.
• Analyze 3GPP specifications and carrier requirements into validation scenarios and test coverage.
• Perform log analysis, debugging, and root-cause investigation of modem issues in lab and field environments.
• Support feature integration, certification, and commercialization of global wireless products.

Skills

Digital and wireless communications

RF propagation

Physical layer procedures

5G NR PHY/MAC/RLC/PDCP/RRC

Air interface analysis & optimization

Python

MATLAB

AI/ML in communications

Test equipment usage

Education

Bachelor's degree in Electrical Engineering, Computer Engineering, or Computer Science

Tools

Protocol simulators

Channel emulators

Job description

Qualcomm Technologies, Inc. seeks a motivated engineer to join the Modem System Test (MST) team in San Diego. You will contribute to validating end-to-end system functionality for 5G/6G modems, collaborating with software, hardware, and RF teams to ensure robust, scalable wireless solutions.

The role emphasizes lab-based testing, data-driven performance optimization, and cross-functional collaboration. A strong foundation in wireless protocols and hands-on testing is essential for success.