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GreenWave Radios is seeking a highly technical Staff RF System Test Engineer to develop, automate, and execute system-level validation of next-generation RF SoC platforms from early silicon bring-up through production release. You will be a hands-on contributor responsible for uncovering complex RF performance issues, building scalable test infrastructure, and generating the data that drives critical design decisions.

As a member of the Systems Engineering Group in San Jose, CA, this role sits at the intersection of RF hardware, embedded software, and test automation. You will work directly with designers and developers to characterize radio performance, debug challenging system behaviors, and create robust automated test solutions that ensure compliance with global wireless standards.

The ideal candidate combines deep RF measurement expertise with strong software development skills and enjoys solving difficult technical problems through rigorous experimentation and data-driven analysis.

• Design, implement, and execute 3GPP Radio Conformance Testing (RCT) methodologies for next-generation RF SoC and radio platforms, including test development, automation, data analysis, and debug
• Develop automated validation frameworks, instrument drivers, and measurement applications in Python and MATLAB to improve test coverage, repeatability, and engineering productivity
• Perform hands-on characterization of RF subsystems and signal chains, including power amplifiers (PA), low-noise amplifiers (LNA), filters, CFR, and DPD algorithms across multiple wireless technologies and carrier configurations
• Investigate and root-cause RF performance issues using laboratory measurements, statistical analysis, and cross-functional debugging with hardware, firmware, and software teams
• Develop custom measurement techniques and validation workflows to evaluate key radio performance metrics such as EVM, ACLR, sensitivity, Noise Figure, spectral emissions, and transmitter linearity
• Drive silicon bring-up and system-level validation activities, identify performance gaps, and provide actionable recommendations to design teams
• Evaluate, integrate, and optimize advanced RF test equipment and commercial test solutions to improve measurement accuracy and test throughput
• Build scalable automated regression test environments that support continuous validation throughout the product lifecycle
• Analyze large RF data sets to identify trends, anomalies, and performance limitations, translating results into clear technical insights and design guidance
• Author detailed technical reports, validation procedures, and engineering documentation that support product development, certification, and manufacturing readiness

• BS in Electrical Engineering, Computer Engineering, Computer Science, or related field required; MS preferred
• 8+ years of hands-on RF system test, validation, or characterization experience with wireless communication products
• Strong software development skills in Python and MATLAB with demonstrated experience building automated test infrastructure and measurement tools
• Deep understanding of RF measurement principles and wireless performance metrics, including EVM, ACLR, spectral emissions, sensitivity, Noise Figure, gain, linearity, and transmitter performance
• Proven experience characterizing and debugging RF subsystems such as CFR, DPD, PA, LNA, filters, mixers, and transceiver architectures
• Hands-on experience with RF test instrumentation including spectrum analyzers, vector signal analyzers/generators, VNAs, oscilloscopes, power meters, and related equipment
• Experience validating wireless systems operating across multiple radio technologies, including 4G and 5G platforms
• Strong analytical and troubleshooting skills with a demonstrated ability to isolate root causes and solve complex RF performance issues
• Ability to independently define experiments, interpret results, and drive technical investigations with minimal direction
• Strong technical communication skills, including the ability to present complex measurement results and engineering tradeoffs clearly to technical audiences

• Experience with RF SoC validation, silicon bring-up, or production test development
• Familiarity with firmware validation, embedded software debugging, or digital hardware verification methodologies
• Understanding of Radio Unit (RU) architectures and O-RAN/vRAN systems
• Experience developing CI/CD-enabled test automation environments using GitLab or similar version control platforms
• Experience applying data analytics, machine learning, or AI-assisted approaches to RF test optimization, anomaly detection, or signal integrity analysis
• Proficiency using AI coding assistants such as Claude Code, GitHub Copilot, or similar tools to accelerate test development, automation, and technical documentation
• Experience leveraging AI-augmented engineering workflows to improve test efficiency, debug productivity, and coverage generation

At InnoPhase, dba GreenWave Radios, our total rewards package includes both a competitive base salary and pre-IPO stock options. The anticipated base salary range for this position is $110K to $160K annually. Actual compensation will be determined based on several factors, including market conditions, interview performance, skills, qualifications, experience, education, and geographic location. In addition to base pay, employees are eligible for a comprehensive benefits package. For detailed information on our benefits programs, please visit our website.