R0177 - SI Validation Engineer (Switch/Server/Network)

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to the next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons, all while shaping the future of connectivity. Responsibilities - Perform electrical validation of high-speed interfaces such as PCIe Gen3~Gen5, Ethernet (802.3 10G/25G/100G/400G), DDR4/5, SATA, and USB3 - Perform electrical validation of low-speed interface, including I2C, SPI, MDIO, eMMC, and RGMII. - Perform chip-to-chip SerDes signal validation, including SGMII+, UXSGMII interfaces. - Plan and execute power testing strategies for multiphase power stages and DC buck converters. - Perform power integrity validations, including ripple noise analysis, power sequencing verification, electronic load (E-load) operation, and power supply unit (PSU) evaluation. - Develop and execute test scripts under Linux environments, familiar with shell commands and automation scripting. - Collaborate with the HW team and chip vendor to define and document SI/PI validation plans and requirements. - Analyze and identify SI/PI issues, and work closely with HW, FW, layout teams, and chip vendors to develop improvement solutions that enhance electrical performance and signal integrity quality. Requirement - Solid experience with SI test equipment (oscilloscope, BERT, VNA, TDR). - 3+ years of hands-on experience in Signal Integrity, and SerDes/PCIe/USB/DDR validation. - Solid understanding of compliance testing methodologies, eye diagram, and litter analysis. - Strong understanding of low-speed interface protocols and comprehensive experience in AC/DC characteristic validation. - Bachelor’s/Master’s degree in Electrical Engineering, Electronics, or related fields. - Excellent problem-solving skills, ability to debug SI/PI issues, and strong cross-functional communication with HW design and layout teams. Preferred Qualifications - Experience working on system-level signal validation in server, networking, or storage platforms with high-speed interfaces. - Familiarity with Power Integrity validation, including power sequence, ripple noise, OCP, and SCP testing. Benefits - International work environment and collaboration with global development teams - Excellent work conditions - Competitive package: great pay, perks, and benefits - Group insurance and health coverage - Flexible working hours and patterns - Complimentary drinks and snacks at the office