Staff Systems 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 Staff Systems Engineer to architect, validate, and own the system-level behavior of a complex medical device ecosystem throughout the entire product development lifecycle. You will define and own the end-to-end system architecture, translate user and business needs into robust system and subsystem requirements, validate architectural decisions through prototyping and bench testing, and proactively de‑risk critical technical challenges. This role carries direct accountability for system-level requirements ownership and verification. The ideal candidate combines hands-on medical device experience, strong systems thinking, and the technical leadership expected of a staff-level engineer operating across hardware, software, disposables, and clinical use environments. In This Role, You Will: System Architecture: Architect systems with a strong focus on technical and patient risk mitigation. Establish and control system interfaces, including fluidic, mechanical, electrical, and software-control boundaries. Drive architectural trade studies using bench testing, prototyping, and simulation to validate design decisions. Ensure architectural robustness across intended use, misuse, fault conditions, and edge cases. Requirements Ownership & Decomposition: Own creation, maintenance, and verification of system-level requirements, with particular emphasis on performance, safety, and reliability. Decompose user, clinical, and business needs into clear, testable system and subsystem requirements. Ensure complete traceability from user needs through requirements, risks, mitigation, and verification. Write requirements that are technically precise, non-prescriptive, and verification-ready. Risk Reduction & Technical Validation: Lead identification and mitigation of system-level risks. Own or significantly contribute to system-level dFMEAs, ensuring strong linkage between re...