Senior Electrical Engineer - Pleasanton, CA

Calyxo, Inc. is a medical device company headquartered in Pleasanton, California, USA. The company was founded in 2016 to address the profound need for improved kidney stone treatment. Kidney stone disease is a common, painful condition that consumes vast amounts of healthcare resources each year. Our team is led by executives and investors with a proven track record of commercializing paradigm-shifting devices to meet unmet needs within urology. Are you ready to change the future of kidney stone treatment? We are seeking high achievers who want to be part of a dynamic team working in a fun, diverse atmosphere. Summary: Calyxo is seeking a highly skilled and innovative electrical engineer to help develop electronic subsystems in kidney stone treatment. This role focuses on the design of PCBAs, cable harnesses, and prototype embedded software for integration of sensing, controls, and communication subsystems into safe and reliable products. This is a hands-on technical leadership role for an engineer who enjoys developing both hardware and embedded software, working across electromechanical, controls systems, and software boundaries to deliver clinically robust performance. This role requires ensuring that all engineering efforts comply with industry standards and regulatory requirements, while aligning with strategic business objectives. In This Role, You Will: Develop electronic subsystems for a range of sensing, controls and communications applications in medical devices (disposable and capital) Translate system‑level requirements into schematics, PCBAs, cable assemblies, and interface definitions. Define electrical architectures including power distribution, sensing, actuation, safety interlocks, and diagnostics. Design low‑noise analog, mixed‑signal, high-speed and power electronics PCBAs for sensors, actuators, control and communication electronics. Specify and design custom cable harnesses (signal, power, shielding, grounding) suitable for medical environments