Mechanical Design Engineer

3 hours ago

Bengaluru Karnataka India, Karnataka bigtec Private Limited Full time

Job Purpose

Design and develop mechanical systems including enclosures and complex mechanisms for a point of-care diagnostic device that processes diverse biological samples. Ensure robust, ergonomic, and manufacturable integration of hardware with optical, fluidic, and electronic subsystems.


Key Responsibilities:

  • Design device housing and mechanisms that accommodates all subsystems while protecting sensitive components from impact, moisture, and contaminants.
  • Develop mechanical interfaces such as cartridge slots, hinges, latches, and other user-operated parts.
  • Design and Develop Test kits that work in tandem with the devices.
  • Ensure structural integrity under drop, vibration, and transport stresses.
  • Design effective thermal pathways or vents to manage heat from LEDs, motors, and electronic components.
  • Demonstrate deep knowledge of both conventional and non-conventional manufacturing processes.
  • Apply Design for Manufacturability and Assembly (DFMA) principles to optimize parts for plastic molding, sheet metal fabrication, and 3D printing based on production volume.
  • Conceptualize the manufacturing processes and tools required, including robotics, AI based inspection systems, jigs, fixtures, etc.
  • Integrate self-aligning features and fastening strategies that reduce assembly time and errors.
  • Rapidly prototype concepts using 3D printing, CNC, Casting and similar technologies.
  • Perform cycle testing for mechanisms and device and execute ingress protection and environmental testing as required.
  • Maintain detailed and parametric CAD models, technical drawings, and part libraries.
  • Generate Bills of Materials (BOMs), exploded views, and tolerance stack-ups to support production readiness.
  • Work on developing vendors to support volume production of the designed parts. Have elaborate project planning to ensure deliverables are achieved on time.


Required Background

  • B.E. or M.E. in Mechanical Engineering or Product Design Engineering.
  • 4 + years experience in product design, preferably in medical devices.
  • Hands-on with prototyping, GD&T, and industrial design collaboration.
  • Skilled in material selection and tolerance control.
  • CAD: SolidWorks, Creo.
  • Familiar with IP rating design, drop testing, and vibration specifications.
  • FEA for stress/thermal validation (optional).
  • Exposure to ISO 13485 documentation for design traceability would be an added advantage

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