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Senior Mechanical Design Engineer

SiPhox Health· Product Engineering
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Burlington, MA$100k - $200kFull-timePosted 3w ago

About the role

Senior Mechanical Design Engineer role at SiPhox Health, focused on designing and delivering a first-of-its-kind at-home testing system for consumer diagnostics using silicon photonics, microfluidics, and embedded systems.

Responsibilities

  • Lead mechanical designs for defined subsystems of medical and diagnostic devices, ensuring functionality, reliability, and manufacturability
  • Design and review parts and assemblies optimized for high-volume injection molding and automated assembly methods
  • Apply rapid prototyping techniques to accelerate product development and iteration, with minimal guidance
  • Plan and execute engineering tests to validate designs and improve performance
  • Create and review detailed design specifications, including 3D and 2D MCAD models following ASME Y14.5 or ISO 8015 standards
  • Closely collaborate with cross-functional teams, including manufacturing engineers and scientists, often owning the mechanical side of complex technical challenges
  • Lead root cause analysis and drive design or process changes to enhance product quality and performance
  • Own system design, system and sub-system requirements and verification plans for your subsystems
  • Mentor Mechanical Design Engineers on MCAD practices, DFM/DFA, and design-verification approach
  • Review other engineers' designs and drawings for manufacturability and compliance with design standards
  • Take a leading role in supplier and vendor conversations for the components/subsystems you own

Qualifications

  • Deep knowledge of the challenges of scaling products from prototype to high volume production
  • Real experience working with pilot and full volume production systems, implementing quality controls and maximizing the product’s quality and yield
  • Excellent knowledge of injection molding design, including tolerance studies
  • Excellent knowledge of mechanical assembly techniques, including ultrasonic welding, laser welding, clip design and adhesives
  • Creative problem solver
  • Expert MCAD user

Skills

Required:CAD

Benefits

  • 401K
  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • Health Savings Account
  • Health Flexible Savings Account
  • Dependent Care Flexible Savings Account
  • Life Insurance
  • Paid Time Off
  • Parental Leave
  • Long Term Disability
  • Equity
  • Gym Membership (Lifetime Fitness — one block from the office)
Last updated Oct 21, 2026. Interested? Apply on the company site.
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About SiPhox Health

Wearable and At-Home protein monitoring with silicon photonic chips

We are developing a new paradigm for consumer health tech wearables by replacing a 100lb optical instrument with an area of silicon smaller than a postage stamp.

hard-techbiometricsnanosensorshealth-techhealth-&-wellness
Company profileWebsite

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