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Role description

Principal R&D Engineer

Inquis Medical logoInquis Medical
SeniorityPrincipal
Salary$160,000–$190,000
LocationMenlo Park, CA
Posted8/12/2026
Engineering

The Principal R&D Engineer position works closely with the engineering teams to help design and develop the product. The Principal R&D Engineer is responsible for:

  •  Leading the product development life cycle of a subsystem or full catheter-based product from concept through commercialization within Design Control requirements.
  • Conceptualizing, developing, and refining catheter-based systems and related subsystems for new products and product improvements.
  • Serving as a subject matter expert in catheter design, including shaft construction, materials, tip design, braid/coil reinforcement, bonding, manufacturability, and performance optimization.
  • Leading development of large-bore catheter systems, including experience designing catheters greater than 16F.
  • Applying hands-on expertise in hydrophilic (HP) coating implementation, process considerations, and performance evaluation.
  • Identifying potential product design risks and driving mitigation strategies.
  • Initiating action to prevent recurrence of product nonconformities and verifying effectiveness of corrective actions.
  • Supporting manufacturing scale-up, process development, and introduction of cost reduction and productivity improvements into production.
  • Addressing product-related quality problems and supporting investigations, CAPA activities, and continuous improvement.

MAJOR DUTIES AND RESPONSIBILITIES

  • Lead the design, development, and documentation of catheter systems and subsystems for new and existing products.
  • Translate user needs, clinical requirements, and engineering inputs into product concepts, design requirements, and robust technical solutions.
  • Create component specifications, engineering drawings, and documentation that define dimensional, functional, and performance requirements to ensure quality and reliability.
  • Drive catheter architecture development, including material selection, construction methods, coating strategy, and design for manufacturability.
  • Define verification and validation strategies; develop written protocols in conjunction with appropriate functions; oversee and/or perform testing and analysis in support of new products or changes to existing products.
  • Document results in report formats consistent with process requirements and design control expectations.
  • Collaborate closely with manufacturing engineering to support process development, design transfer, pilot builds, and commercialization readiness.
  • Investigate and analyze internal failures, process issues, and customer complaints for root cause; recommend and implement corrective and preventive actions as necessary.
  • Perform trend analysis and generate reports to support product quality and reliability improvements.
  • Provide technical leadership, mentorship, and training to engineers, technicians, and inspectors as needed.
  • Work effectively with R&D, quality, regulatory, operations, and suppliers to build, optimize, and scale catheter designs and manufacturing processes.
  • Perform other duties as assigned.

EDUCATION REQUIREMENTS

  • B.S. or M.S. in Engineering or relevant field is preferred.

EXPERIENCE REQUIREMENTS

  • Minimum of 8 years of engineering experience.
  • Demonstrated expertise in catheter design, with significant hands-on experience developing complex catheter systems.
  • Required experience designing and developing large-bore catheters greater than 16F.
  • Experience in the Medical Device Start-ups is a plus.
  • 5 years minimum in Medical Device experience,
  • 5 years minimum experience taking designs from concept to manufacturing.

REQUIRED SKILLS/ ABILITIES

  • Deep expertise in catheter design and development for minimally invasive medical devices.
  • Strong understanding of design controls, GMP, and applicable Quality System standards.
  • Knowledge of Good Manufacturing Practices (GMP) and applicable Quality System Standards.
  • Excellent verbal and written communication skills are required.
  • Demonstrated proficiency utilizing problem solving tools (i.e., FMEA, DOE, SPC, etc.) and application of statistical techniques is desired.
  • Proficient in SolidWorks 2005+ software for machine design, tooling & fixturing and machined/ molded component design, both 3D modeling and 2D technical drawings.
  • Must be comfortable with MS Office Package.
  • Familiarity with the sterilization methods and biocompatibility testing is a plus
  • Ability to perform activities to support product development, administration, manufacturing, and other company activities
  • Expertise interfacing with R&D and manufacturing groups to train, build, and optimize device, design, and processes
  • Excellent skills in device testing, fixture and tooling design and fabrication

Compensation Range

$160,000—$190,000 USD

Inquis Medical is an Equal Opportunity Employer and embraces diversity. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any characteristic protected by applicable law.

Inquis Medical does not accept resumes or candidate submissions from third-party recruiters and/or vendors who are not expressly under current written contract. 

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Company info

Inquis Medical logo

Inquis Medical

Inquis Medical, Inc. is a privately clinical stage medical device company based in Silicon Valley. Our company legacy is built on decades of developing, launching, and supporting novel, physician-tested medical devices that address unmet needs, with a long-lasting impact. Inquis Medical’s team is focused on improving the management of venous thromboembolic diseases. Our innovative team has developed a proprietary next-generation thrombectomy technology, enabling an efficient single-pass thrombectomy with minimal blood loss. For inquiries contact info@inquismedical.com.

Private companySeries CIn the news
Founded2019
HQMenlo Park, United States
Size11–50 employees
Industry
Medical Device
Latest fundingSeries C · Jan 12, 2026
News
  • Inquis Medical launches SENSE-PE all-comer postmarket registry of Aventus thrombectomy system
  • Inquis Medical launches SENSE-PE all-comer postmarket registry of Aventus thrombectomy system
  • Inquis Medical Launches a Large Multicenter Post-Market Registry to Build on Positive AVENTUS Pivotal Trial Results with Real-World Evidence in Pulmonary Embolism

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