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.

Requirements

, validate architectural decisions through prototyping and bench testing, and proactively de ‑ risk critical technical challenges.

ownership and verification . The ideal c and idate combines h and s -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.

Ownership Decomposition: Own creation, maintenance, and verification of system-level

, with particular emphasis on performance, safety, and reliability.

. Ensure complete traceability from user needs through

, risks, mitigation, and verification.

that are technically precise, non-prescriptive, and verification-ready . Risk Reduction Technical Validation: Lead identification and mitigation of system-level risks.

, risk controls, and verification activities.

are objectively testable and clinically relevant. Actively de-risk novel or critical aspects of the system through early experimentation and focused learning cycles. Cross-Functional Technical Leadership: Serve as the systems subject-matter expert across mechanical, electrical, firmware, software, clinical, quality, and product teams.

reviews, and system-level design discussions. Work closely with other technical leads (mechanical, electrical, and SW) to ensure a fully functional system. Provide clear technical direction and interface control to external development partners, ensuring alignment with Calyxo’s system architecture and verification strategy.

Mentor engineers on systems thinking, requirement quality, and architectural rigor. Who You Will Report To: Sr.

: Education Experience: Bachelor’s degree in Mechanical Engineering , Biomedical Engineering, or related field; Master’s or PhD strongly preferred . 1 2 + years of experience in medical device development, with significant ownership of system architecture . Strong h and s -on experience with both: Single-use disposable systems.

Capital equipment incorporating pumps, sensors, and closed-loop control.