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Senior/Staff Mechanical Engineer, Instruments and Composites

Neptunemedical

Burlingame, California, United States (Triton Headquarters) permanent

Posted: December 9, 2025

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Job Description

Neptune Medical, is an innovative, venture capital funded medical device startup headquartered in Burlingame, CA. We have already commercialized novel medical devices using our technology. Now the team at Neptune is building something truly unique: a fully flexible medical robot that enables doctors to reach deep into human anatomy. Triton Robotic Endoscopy will disrupt flexible endoscopy and set a new standard in outcomes for decades to come.

TITLE: Senior/Staff Mechanical Engineer, Instruments and Composites

POSITION SUMMARY: The Staff Mechanical Engineer, Instruments and Composites will have a central role in further invention of our core rigidizing technology. You will champion your concepts through definition, ideation, engineering and clinically relevant assessments and, eventually, to market. This is a chance to work with cutting edge composite rigidization technology and make it even better.

The ideal candidate will act with passion and intensity in a medical device start-up that is fast paced and collaborative and will display the ability to perform to the requirements outlined below. For the right person, this position will be a tremendously exciting and career-defining opportunity, making core contributions to a genuinely new type of medical robotic platform.

ROLES AND RESPONSIBILITIES:

• Bring both an experimental and analytical approach to your work while creating specific designs for the use of our composite technology in our robotic application.

• Work with typical and new catheter/endoscope technologies:

• Coiling, braiding and laser cut hypotubes

• Extrusions and films

• Steering/bending sections

• Thermal and adhesive bonds

• Coatings

• Participate in the development of specifications, test methods and protocols to ensure the functionality, safety and efficacy of medical devices in accordance with medical device regulations and design controls.

• Make assessments and recommendations for solving challenging design problems at both the component and system levels, via inspection, testing, analysis, and experimentation.

• Significant hands-on building and testing of multiple generations of prototypes.

• Use DFM principles to reduce cost and simplify assembly.

• Work closely with vendors.

• Interact with physicians and users to verify and validate assumptions and further converge on proper product definition.

• Create and maintain Solidworks CAD models and detailed drawings.

• Create analytical documents, including test methods, protocols, structural analysis, and reports.

• Present technical data in design reviews. Present design inputs, design outputs and open issues.

• Generate novel ideas that strengthen the company’s intellectual property position in the fields of endoscopic robotics and minimally invasive surgery.

• Be able to both collaborate closely and show a high degree of self-direction.

REQUIRED QUALIFICATIONS:

• B.S. or M.S. in Mechanical Engineering or related.

• 8+ years of work experience as a hands-on engineer.

• Demonstrated experience working with cross functional teams.

• A driven outlook and with a strong desire to succeed as an engineer, as a team, and as a company.

• An inventive aptitude balanced with discipline and detail-orientation.

• Experience with medical device manufacturing.

• Great understanding of design controls and what is needed to get a product into patients.

• Demonstrated ability to generate original ideas by history of patents and IP.

PREFERRED QUALIFICATIONS:

• Experience with design and process development of composite structures, both experimentally and analytically.

• Experience with design and process development of articulating endoscopes and catheters.

• Developed products from invention to market release.

• Experience in a start-up environment.

• Proficient with SolidWorks.

• Experience creating and managing schedules, budgets, and plans.

• Made significant contributions to an IP portfolio: Cite pending or issued patents.

Neptune Medical is located in Burlingame, CA, near the Millbrae Caltrain and BART Station

Our job titles may span more than one career level. The starting base salary for this role is between $165,000 and $225,000 depending on experience. The actual base pay is dependent upon many factors, such as: education, training, transferable skills, work experience, business needs, and location. The base pay range is subject to change and may be modified in the future. This role may also be eligible for equity, benefits and 401(K) with matching.

Neptune Medical provides equal employment opportunities to all applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

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