Zealogics - RF Test Engineer - ATE Testing Methodolgies (10-20 yrs)

Job Summary :

We are seeking a highly skilled RF Tester with a minimum of 5-10 years of relevant experience to execute comprehensive testing of RF IC packages in various form factors, primarily LGA. The ideal candidate possesses a deep understanding of RF testing methodologies and a proven track record in 5G RF testing. This role requires a strong technical foundation, excellent problem-solving abilities, and a collaborative team orientation.

Responsibilities :

- Develop and execute test plans, including test strategy definition, tester configuration, socket selection, and validation for RF IC packages, including small signal, power amplifier, and mmWave components.

- Perform in-depth characterization of RF devices, measuring parameters such as gain, noise figure, linearity (IIP3, OIP3, OP1dB), EVM, settling time, and spurious response.

- Conduct bias controller tests involving ADC and DAC characterization.

- Execute reliability testing as required.

- Support bench to ATE correlation.

- Analyze test data, identify anomalies, and collaborate with engineering teams to resolve issues.

- Maintain accurate and detailed test documentation.

- Stay up-to-date with the latest RF testing technologies and industry standards.

- Travel to international sites, such as Taiwan, for project support as needed.

- Collaborate closely with design engineering to optimize product testability and manufacturability.

- Drive ATE bring-up, optimization, and production ramp-up, adhering to industry best practices and GRR methodologies.

- Optimization of hander settings for best RF performance

- Analyze test data to identify process improvements, yield enhancement opportunities, and cost reduction strategies.

- Mentor and develop team members, fostering a culture of technical excellence and innovation.

Qualifications :

- Master's or Ph.D. in Electrical Engineering or a related field.

- Minimum of 5-10 years of hands-on experience in RF testing.

- Proficiency in RF test equipment and software (e.g., network analyzers, spectrum analyzers, power meters, oscilloscopes).

- Strong programming proficiency (C++, Python, Matlab, Perl) and in-depth understanding of ATE testing methodologies.

- Strong understanding of RF circuit theory and measurement techniques.

- In-depth knowledge of RF testing standards and methodologies.

- Experience with 5G RF testing is highly preferred.

- Proficiency in data analysis and statistical process control (SPC).

- Excellent problem-solving, analytical, and troubleshooting skills.

- Strong attention to detail and accuracy.

- Excellent communication and interpersonal skills.

- Ability to work effectively in a team environment.

- Willingness to travel domestically and internationally.

Technical Skills :

- Hands-on experience in small signal testing (LNA, LNA+SW) at 8GHz, including parameters like gain, noise figure, two-tone IIP3, OIP3, OP1dB, EVM, and settling time.

- Expertise in noise figure testing with 0.05dB accuracy.

- Experience in small signal pre-driver testing, including OIP3 measurement.

- Proficiency in mmWave LNA testing (gain, NF, OP1dB, OIP3, NF 1-2dB).

- Knowledge of mmWave up-down converter testing (gain, NF, OIPdB, OIP3, spurious response) within the 15-35 GHz frequency range.

- Experience in mmWave beamformer transceiver testing (gain, phase, efuse, gain, NF, OP1dB, OIP3, EVM).

- Expertise in 8GHz power amplifier testing, including bias sequencing, leakage currents, quiescent currents, AM2PM, pulsed-CW with 5% duty cycle in pulse RF, and modulated tests (average gain, efficiency, ACLR).

- RF theory and application, ATE systems, test program development, data analysis, project management, statistical process control (SPC), and yield improvement.

Desired Qualifications :

- Experience with reliability testing methods.

- Knowledge of scripting languages (e.g., Python, MATLAB) for test automation.

- Experience with statistical data analysis tools.