Job Responsibilities: 1. Primarily responsible for board-level high-speed signal testing, including signal integrity testing and related protocol testing for high-speed signals such as FPD-LINK, UFS, LPDDR, MIPI, SGMII, PCIE3, DP, HDMI, USB, LIN, CAN, and PCB impedance testing; 2. Develop test plans based on actual testing needs and complete the testing requirements; 3. Record, analyze, and organize data based on test results to complete the test report, and provide improvement suggestions and compliance conclusions based on identified issues. Job Requirements: 1. Bachelor's degree or above in electronics, communications, computer science, automation, or related fields; 2. Proficient in using high-speed oscilloscopes, signal generators, impedance testers, and network analyzers; 3. Familiar with high-speed signal protocols and testing standards such as FPD-LINK, UFS, LPDDR, MIPI, SGMII, USB, PCIE3, DP, HDMI; 4. Familiar with signal integrity testing for various interfaces and Ethernet port compliance testing; 5. Familiar with basic knowledge of SI (Signal Integrity) and PI (Power Integrity), proficient in time-domain and frequency-domain testing and analysis. Preference given to candidates with equipment calibration experience.