Senior Electrical Engineer

echo · San Francisco · San Francisco, California, United States

<div class="content-intro"><h2 data-pm-slice="1 1 []">Company Overview</h2> Echo Neurotechnologies is an exciting new startup in the Brain-Computer Interface (BCI) space, driving innovation through advanced hardware engineering and AI solutions. Our mission is to deliver cutting-edge technologies that restore autonomy to people living with disabilities and improve their quality of life.   <h2>Team Culture</h2> Join a small, dedicated team of knowledgeable and motivated professionals. Our early-stage environment offers the opportunity to take ownership of broad decisions with significant and long-lasting impact. We emphasize continuous learning and growth, fostering cross-functional collaboration where your contributions are vital to our success.</div>Role Overview As a Senior Electrical Engineer, you will drive electrical system architecture and circuit design for medical devices spanning wearables to active implants. You will work across the full stack of low-power medical electronics, from novel sensing modalities and sensor front-ends to wireless power and communication systems, taking designs from concept through simulation, silicon, and board bring-up to a validated product. You bring a robust core skillset in electrical engineering, specialist know-how in one or more related areas, and enjoy working across the boundaries between hardware, firmware, mechanical, and software. Key Responsibilities <ul> <li>System Architecture: Architect and design EE systems integrating compute, sensing, power, and communications within tightly power- and space-constrained form factors, from body-worn wearables to implants.</li> <li>Sensing & Sensors: Explore, evaluate, and prototype novel sensing modalities and sensor interfaces, translating concepts into product-oriented designs. </li> <li>Electrical & Circuit Design: Design and characterize analog/mixed-signal circuits for wearable and implantable applications, including simulation, statistical validation, and bench characterization.</li> <li>Wireless Power: Develop custom wireless power transfer systems with a focus on high end-to-end efficiency, robust performance across varying coupling conditions, and modern control methods.</li> <li>Electromagnetic Simulation: Perform EM simulations to design and optimize wireless power coils and communication antennas (BLE, Wi-Fi, UWB, etc.), and correlate simulation results with measurements. </li> <li>Mixed-Signal ASIC Development: Contribute to ASIC architecture definition, develop new analog/mixed-signal modules and IP, run block- and system-level simulations, and lead post-silicon validation.</li> <li><span data-contrast="auto

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