RF & Mixed-Signal Test Engineer: Characterization & Automation

APAR TECHNOLOGIES PTE. LTD.; Singapore; On-site; SGD 50,000 - 80,000; Full time

Job summary

APAR TECHNOLOGIES PTE. LTD. is seeking a test engineer in Singapore with 2–6 years of experience to perform PMIC, RF, and mixed-signal IP testing and characterization.

You will develop test code and support test platform enablement, characterizing regulators and RF blocks, and using lab equipment for measurements and debugging. You will also collaborate with test engineering and production teams to correlate data with ATE, and prepare test limits, guard bands, and summary reports.

Qualifications

• Degree in Electronics Engineering, Electrical Engineering, or related discipline.
• 2–6 years of relevant experience in mixed-signal IP and RF characterization.
• Strong understanding of RF and mixed-signal testing concepts and measurements.
• Hands-on experience with laboratory equipment such as spectrum analyzers, digitizers, high-speed data analyzers, oscilloscopes, source meters, and power supplies.
• Experience with Embedded C/C++, LabVIEW, and FPGA development.
• Strong analytical, debugging, and problem-solving skills.

Responsibilities

• Perform PMIC, mixed-signal, and RF IP testing and characterization.
• Develop test code and support test platform enablement.
• Characterize buck and LDO regulators, including line/load regulation, efficiency, accuracy, RDS(on), transient response, and PSRR.
• Use laboratory equipment to perform measurements, debugging, and circuit analysis.
• Characterize mixed-signal and RF IP, including ADC, DAC, PLL, and baseband modem blocks.
• Develop automated measurement code using laboratory equipment.
• Collaborate with test engineering and production support teams on debugging and data correlation with ATE.
• Prepare test limits, guard bands, status updates, and summary reports.

Skills

Embedded C/C++

LabVIEW

FPGA development

RF/mixed-signal testing

Analytical skills

Education

Bachelors in Electronics or Electrical Engineering

Tools

Spectrum Analyzer

Digitizer

Oscilloscope

Source Meter

Power Supplies

High‑speed data analyzer

Job description

APAR TECHNOLOGIES PTE. LTD. is seeking a test engineer in Singapore with 2–6 years of experience to perform PMIC, RF, and mixed-signal IP testing and characterization.

You will develop test code and support test platform enablement, characterizing regulators and RF blocks, and using lab equipment for measurements and debugging. You will also collaborate with test engineering and production teams to correlate data with ATE, and prepare test limits, guard bands, and summary reports.