Product Design Engineer

Hark

• $120K — $300K *
Consumer Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in mechanical or product design engineering (or similar)
  • 7+ years of experience in shipping consumer hardware from concept to mass production
  • Deep expertise in mechanical CAD (NX preferred) and strong knowledge of GD&T, tolerance analysis, and dimensional management
  • Hands-on prototyping experience and comfort working with external partners
  • Experience in high-volume manufacturing processes such as injection molding and CNC machining
  • Proven capability to manage mechanical, electrical, and industrial design trade-offs at the system level
  • Experience collaborating with external suppliers and supporting onsite factory operations

Responsibilities

  • Lead mechanical design of core hardware components from concept to production
  • Convert industrial design intent into manufacturable and precise engineering solutions
  • Define specifications, material selections, and manage CAD processes effectively
  • Drive DFM and DFA processes in partnership with manufacturing teams
  • Perform tolerance analysis and utilize FEA to validate designs pre-assembly
  • Collaborate across disciplines to unify design considerations including functionality and aesthetics
  • Build prototypes in-house and support manufacturing operations on-site

Benefits

  • Collaborative work environment with cross-functional teams
  • Opportunity to work on innovative AI-powered devices
  • Involvement in the full product development cycle from concept to production
  • Hands-on prototyping opportunities
  • Travel to manufacturing facilities to directly support builds and problem-solving
Full Job Description
About the Role

We're hiring a Product Design Engineer to help shape the physical form of our AI-powered devices. You'll work across the full product development cycle - concept sketches, CAD modeling, prototyping, and DFM - collaborating with electrical and ML engineers to design enclosures and mechanisms that accommodate complex sensor arrays, thermal systems, and compact compute modules.

Responsibilities
  • Lead mechanical design of core hardware (enclosures, structural components, flex assemblies, interconnects) from concept to production
  • Convert industrial design intent into reliable, manufacturable, and precise engineering solutions, maintaining product vision and structural/functional performance
  • Define and own specifications, tolerances, material selections, and 3D CAD across processes like injection molding, die casting, stamping, and CNC machining
  • Drive Design for Manufacturability (DFM) and Design for Assembly (DFA) with manufacturing partners from early concept through production builds
  • Use tolerance analysis, FEA, and DOE's to validate designs and resolve failure modes pre-assembly
  • Collaborate with Industrial Design, Electrical Engineering, Acoustic Engineering, Reliability & Operations to unify design considerations (functionality, thermal management, human factors, reliability, cost, and aesthetics)
  • Build functional prototypes in-house and travel to manufacturing facilities to support builds and resolve issues

Requirements
  • Bachelor's in mechanical or product design engineering (or similar)
  • 7+ years shipping consumer hardware from concept to mass production
  • Deep fluency in mechanical CAD (NX preferred), strong GD&T, tolerance analysis, dimensional management, and statistical software (JMP)
  • Comfortable with hands-on prototyping and external partners
  • Hands-on experience designing for high-volume manufacturing (injection molding, die casting, stamping, CNC machining)
  • Proven ability to balance mechanical, electrical, and industrial design trade-offs at the system level
  • Direct experience collaborating with external suppliers and contract manufacturers, including onsite factory support
  • Comfortable in early-stage product development with ambiguous constraints and open solution space

Bonus Qualifications
  • Masters in mechanical engineering, product design engineering, mechatronics engineering or similar
  • Experience in new product architecture & shipping first generation devices in a lead role
  • Experience with in-field failure analysis
  • Experience integrating complex sensors including microphones & cameras
  • Experience integrating displays, audio modules etc.

Compensation

The US base salary range for this full-time position is between $120,000 - $300,000 annually.

The pay offered for this position may vary based on several individual factors, including job-related knowledge, skills, and experience. The total compensation package may also include additional components/benefits depending on the specific role. This information will be shared if an employment offer is extended.

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