# Senior Mechanical Engineer (NPI)

**Company:** [WHOOP](https://hotfix.jobs/companies/whoop)
**Location:** Boston, MA
**Role:** Hardware Engineering
**Experience:** 4+ years
**Skills:** Solidworks, CAD, Solidworks Assemblies, Dfx, Injection Molding, Die Castings, Metal Injection Molding, Bom, Ecos, Root Cause Analysis
**Posted:** 2026-03-18

> Leads mechanical design, validation, and development for next-generation biometric wearable products, owning subsystems from concept to manufacturing. Requires 4+ years in consumer electronics, SolidWorks expertise, and cross-functional collaboration.

## Job Description

## RESPONSIBILITIES
- Complete technical ownership (at subsystem and component level) of a next generation product from design concept to manufacturing release
- Lead mechanical design, analysis and development of mechanical components around micro-electronics, and exact industrial design specifications, product requirements, and manufacturing constraints.
- Create **SolidWorks** CAD models to bring up design concepts that enable simulation exercises, prototyping, and mass production qualification
- Generate technical documentation such as 3D files, 2D drawings, bills of material (**BOM**’s), and Engineering Change Orders (**ECO**’s) following product development cycle timeline
- Communicate engineering changes to vendors and contract manufacturers as the product development cycle progresses
- Design testing protocols and validation plans, managing testing processes
- Perform thorough engineering root cause analyses to identify and resolve issues
- Mentorship, engineering best practices
- Willingness to travel internationally up to 20% of the time

## QUALIFICATIONS
- **BS** or **MS** in Mechanical Engineering or a related field
- 4+ years of experience in the design, documentation and validation of complex mechanical parts for medium to high volume consumer electronics
- 4+ years **SolidWorks** CAD experience with best practices for part design/ feature architecture, advanced assemblies, complex configuration management and integrating **DFx** feedback efficiently
- 2+ years working with Tier 1 and 2 contract manufacturers in Asia and North America
- Extensive experience in mechanical design concepts and the manufacture of products utilizing high volume, automated manufacturing processes as well as manual assembly
- Well-versed in design, prototyping, and evaluation of advanced injection molded plastic components, die castings, metal injection molding, packaging, and material selection
- Strong organization and communication skills and the ability to work well within teams in a fast-paced environment

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