Job Description
About Synchron
Synchron’s vision is to build non-surgical brain–computer interfaces at global scale that protect the fundamental human rights of freedom of expression and autonomy. Our first mission is to develop motor decoders that restore the ability of 15 million people with paralysis to interact with the digital world. Our second mission is to develop whole-brain cognitive decoders that enable hundreds of millions of people with cognitive decline to preserve and expand their agency as cognition changes over time. In pursuing these goals, we aim not only to help humans flourish, but also to drive fundamental discoveries in human intelligence. Our team operates at the intersection of healthcare and technology, translating breakthrough research into real-world, safety-critical systems.
Senior Engineer, Mechanical EngineeringEmployment Type: Full-Time
About the Role
We are seeking a R&D Mechanical Engineer to own the mechanical design and development of Synchron’s implantable devices. This individual will lead the design of an implantable device, interfacing closely with electrical, firmware, and systems engineering teams to deliver an integrated implantable platform.
This is a deeply technical, hands-on role. The successful candidate will drive mechanical architecture decisions from concept through verification, balancing biocompatibility, manufacturability, thermal management, and regulatory requirements as the program scales toward pivotal trials. Key ResponsibilitiesImplant Mechanical Design & Architecture• Own the end-to-end mechanical design of the implantable device, including enclosures, feedthroughs, internal component packaging, and structural interfaces.
• Drive miniaturization strategies that meet volumetric constraints while preserving thermal, electrical, and structural performance
• Define and maintain mechanical interface control documents across the implant system
• Lead trade studies and design reviews for enclosure geometry, sealing methods, and material selection
• Specify materials and surface treatments compatible with long-term implantation (titanium, ceramic, biocompatible polymers)
• Design and validate encapsulation approaches (laser welding, brazing, glass-to-metal seals) to ensure implant longevity
• Collaborate with biocompatibility and quality teams to ensure compliance with ISO 10993 and related standards
• Define accelerated aging and environmental test protocols for mechanical subsystems
• Develop manufacturing processes for implant assembly, including precision bonding, micro-assembly, and clean-room operations
• Own mechanical DFM/DFA and drive design iterations to support scalable production
• Partner with contract manufacturers to establish robust, repeatable build processes
• Serve as mechanical engineering lead within the design controls framework (e.g. ISO 14708)
• Author and maintain mechanical design inputs, risk analyses, and verification/validation protocols
• Support regulatory submissions with mechanical test reports, design rationale, and traceability documentation
• Partner closely with electrical, firmware, and systems engineers to co-optimize the implant across all domains
• Work with the wider R&D team and delivery system engineers to ensure mechanical compatibility at the system level
• Contribute to failure analysis and root-cause investigations spanning mechanical, electrical, and environmental factors
• Bachelor’s degree in mechanical engineering, biomedical engineering, or a related discipline
• 5+ years of experience in mechanical design of miniaturized, high-reliability electromechanical systems
• Demonstrated expertise in hermetic packaging, precision assembly, and biocompatible materials
• Proficiency with 3D CAD (SolidWorks or equivalent)
• Strong understanding of GD&T, tolerance stack-up analysis, and mechanical drawing standards
• Hands-on experience taking mechanical subsystems from prototype through design verification and into production
• Active implantable medical device experience (e.g., neurostimulators, cochlear implants, cardiac rhythm devices)
• Experience with hermetic sealing technologies such as laser welding, brazing, or diffusion bonding
• Background in thermal management of implantable electronics
• Familiarity with ISO 14708, IEC 60601, and FDA guidance for implantable devices
• Experience supporting regulatory submissions (IDE, PMA, or 510(k)) with mechanical design evidence
• Track record of working in cross-functional hardware teams in a startup or high-growth environment
Compensation
The base salary range for this role is $140,000 – $160,000 depending on experience, skills, and qualifications.
In addition to base salary, this role may be eligible for discretionary bonuses and/or equity grants , subject to board approval and company policy.
Visa Sponsorship
We are unable to offer visa sponsorship for this position at this time.
Benefits (for W-2, full-time, exempt employees in the US only) ***Intern positions not eligible
Equal Employment Opportunity (EEO)
Synchron is an equal opportunity employer. We are committed to creating an inclusive environment for all employees and applicants and provide equal employment opportunities without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, veteran status, or any other characteristic protected by applicable law.
If you need a reasonable accommodation during the application or interview process, please let us know.
Join Us
At Synchron, you will be part of a transformative mission and you will work alongside driven people who believe in the power of collaboration and innovation to make a lasting impact. If you are excited to stretch your skills and contribute to something meaningful, apply and now and build the future with us.
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