Senior Mechanical Design Engineer

bigtec Private Limited; Bengaluru; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

bigtec Private Limited in Bengaluru is seeking a seasoned Mechanical Design Engineer to create device housing and interfaces for medical devices, ensuring robustness and manufacturability.

You will prototype concepts, apply DFMA, and collaborate with cross-functional teams to optimize parts for plastics, sheet metal, and 3D printing. Experience with ISO 13485 is a plus.

Qualifications

• B.E. or M.E. in Mechanical Engineering or Product Design Engineering.
• 4 to 8 years of experience in product design, preferably in medical devices.
• Hands-on 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.
• Exposure to ISO 13485 documentation for design traceability would be an added advantage.

Responsibilities

• Design device housing and mechanisms to protect components from impact, moisture, and contaminants.
• Develop mechanical interfaces such as cartridge slots, hinges, latches, and user-operated parts.
• Design and develop test kits that work with devices.
• Ensure structural integrity under drop, vibration, and transport stresses.
• Design thermal pathways or vents to manage heat from LEDs, motors, and electronics.
• Create DFMA-optimized parts for plastic molding, sheet metal, and 3D printing.
• Generate BOMs, exploded views, and tolerance stack-ups for production readiness.

Skills

DFMA principles

Prototyping

GD&T

CAD design

Mechanical design

Vibration testing

Education

B.E./M.E. in Mechanical Engineering or Product Design Engineering

Tools

SolidWorks

Creo

Job description

• 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 to 8 years of 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.