Sr. R&D Engineer - Ablation Catheter Systems

Founded in 2022, Field Medical Inc. is a medical device company advancing next-generation pulsed field ablation (PFA) technologies for the treatment of cardiac arrhythmias.

Field Medical’s flagship innovation, the Field Force™ Ablation System, is the first contact force focal PFA catheter system designed specifically for ventricular use. By delivering brief, high‑intensity electric fields to target cardiac tissue without thermal damage, the system represents a novel approach to treating some of the most challenging arrhythmias. The company’s proprietary Field Bending™ technology enables precise and large‑volume lesion creation, supporting a broad range of electrophysiology applications.

Field Medical Inc. is developing the Field Force Ablation Catheter System, a Class III cardiac pulsed field ablation (PFA) device incorporating integrated electromagnetic location and force sensing technology. We are seeking a Senior R&D Engineer to contribute to the design, development, and verification of our next‑generation ablation catheter as we advance through IDE submission, into clinical trials and beyond PMA approvals.

This is a high‑impact engineering role at a fast‑moving medical device startup requiring independence and flexibility through a fast timeline with clear scope and deliverables established. This individual will work across catheter design, bench and preclinical testing, and design verification – collaborating closely with our preclinical, electrical, regulatory, and quality teams.

• Design, prototype, and iterate on catheter components including shaft construction, electrode assemblies, deflection mechanisms, and distal tip configurations
• Work with materials (extruded polymers, reflow, braided constructs, polyurethanes, potting, fiber optic integration) to achieve mechanical performance targets
• Collaborate on integration of fiber optic force sensing elements into catheter architecture
• Maintain and update design documentation including drawings, BOMs, and engineering change orders in a design‑controlled environment.
• Demonstrating PDP and TDP system knowledge through the delivery of high quality and high impact deliverables including generating, reviewing, submitting, and maintaining engineering documentation.
• Drive innovation and ensure products achieve best‑in‑class performance while promoting manufacturability and meeting cost targets.
• Research and advise on new vendors, materials and/or processes

• Design and execute bench test protocols for catheter characterization: force sensing, torque/push ability, deflection, tip force, and electrical performance
• Support hipot, dielectric withstand, and electrical isolation testing for high‑voltage catheter components
• Conduct and document preclinical and animal lab testing; analyze results and draft test reports for design history file (DHF)
• Troubleshoot test failures and drive root cause analysis and corrective actions

• Interface with regulatory and quality teams to ensure design outputs align with IDE submission requirements (21 CFR 812, ISO 14971, ISO 10555, IEC 60601‑1)
• Contribute to build planning and production of catheter prototypes for bench, preclinical, and DV test campaigns
• Interface with hardware, electrical and software teams to ensure design outputs align with system requirements.
• Participate in design reviews, FMEA development, and usability engineering activities

• B.S. or M.S. in Mechanical Engineering, Biomedical Engineering, or related field
• 3–6 years of experience in medical device R&D, with hands‑on catheter or interventional device development, testing, quality and regulatory requirements
• Demonstrated experience with cardiac or neuro catheter and/or sheath construction: braided shafts, polymer extrusions, tip assemblies, micro components and processes, deflection mechanisms.
• Proficiency in mechanical design and tolerance analysis, including drawings; experience with CAD (Solid Works preferred)
• Familiarity with design controls, DHF documentation, and FDA QSR / ISO 13485 requirements. Proven execution and release in a phase…