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Signal Integrity Engineer

HarkSan JoseNew
On-site Full-time

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Experience Level

Entry Level

Qualifications

ResponsibilitiesConduct pre-layout and post-layout Signal Integrity simulations for high-speed interfaces (DDR4/5, PCIe Gen3/4, USB 3.x, MIPI CSI/DSI). Model and optimize power distribution networks (PDN), focusing on decoupling strategies, plane resonance, and target impedance. Create channel models for SerDes links, perform eye diagram analyses, and assess compliance margins. Define PCB stackup, impedance profiles, and routing constraints in collaboration with layout engineers. Execute bench-level measurements using oscilloscopes, VNAs, TDR, and spectrum analyzers to correlate simulations with hardware performance. Identify and mitigate electromagnetic interference issues at both board and system levels, supporting regulatory certification. Develop and maintain SI/PI design guidelines and constraints for the hardware team. RequirementsEducation: Bachelor’s or Master’s degree in Electrical Engineering, with a specialization in electromagnetics, RF, or signal integrity. Tool Proficiency: Proficient in SI/PI tools such as Ansys HFSS, Keysight ADS/PathWave, Cadence Sigrity, or Simbeor. Experience: Familiarity with high-speed design methodologies.

About the job

About Hark

Hark is at the forefront of artificial intelligence, dedicated to creating advanced, personalized intelligence systems that are proactive, multimodal, and capable of seamless interaction through speech, text, vision, and persistent memory.

Our mission is to revolutionize human-machine interaction by combining cutting-edge AI with next-generation hardware, establishing a universal interface that transcends traditional chatbots and outdated devices. Hark envisions a future where intelligent systems engage naturally with people and their environments.

To realize this vision, we are developing innovative multimodal models and AI hardware, meticulously designed as a unified interface for the next era of intelligent systems.

About the Role

We are seeking a Signal Integrity Engineer to enhance our hardware team and ensure the impeccable performance of our AI-driven devices at the electrical level. In this role, you will conduct Signal Integrity (SI) analysis across high-speed interfaces—such as DDR, PCIe, USB, and MIPI—and collaborate closely with PCB layout, ASIC, and mechanical design teams to overcome the unique challenges posed by compact, thermally constrained form factors. You will run simulations, validate designs in the lab, and integrate your findings into our design rules as we transition from prototypes to mass production.

About Hark

Hark is pioneering the future of artificial intelligence with its commitment to developing innovative, personalized intelligence systems that are proactive and capable of interacting with users through various modalities. By integrating advanced hardware with cutting-edge AI, we aim to create a natural interface between humans and machines, setting the stage for the next wave of intelligent systems.

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