# Senior Mechanical Engineer, New Product Development

**Company:** [Eightsleep](https://hotfix.jobs/companies/eightsleep)
**Location:** San Francisco, CA
**Role:** Hardware Engineering
**Salary:** $140k – $200k/yr
**Experience:** 5+ years
**Skills:** Solidworks, Nx, Creo, Injection Molding, Sheet Metal Forming, DFM, Dfa, GD&T, Tolerance Analysis, Root Cause Analysis, Doe
**Posted:** 2026-03-17

> Senior Mechanical Engineer responsible for architecting and designing complex electromechanical systems with sensors and actuators from concept through high-volume production ramp in Asia. Requires 3+ years consumer product experience, proficiency in 3D CAD, DFM/DFA, and cross-functional collaboration.

## Job Description

## What You'll Help Build
- Architect and design complex electromechanical systems, including plastic, metal, and soft goods components integrated with novel sensors and actuators.
- Drive designs across the entire development lifecycle, including brainstorming, CAD, prototyping, testing, and ramp into production in Asia.
- Solve highly cross-functional problems by working with electrical, software, reliability, and manufacturing engineering teams.
- Perform analysis and testing to ensure designs meet product goals, including thermal, fluid, and structural analyses.
- Help shape the direction of our products and features by collaborating with industrial design, marketing, and product teams as well as company leadership.

## What You'll Need to Succeed
- 3+ years of consumer product design experience with knowledge of injection molding, sheet metal forming, and sensor/electronics integration.
- Experience shipping high-volume consumer products, including manufacturing support in Asia.
- Highly proficient with 3D modeling (e.g. Solidworks, NX, Creo).
- Experience with high-volume manufacturing processes, design for manufacturability and assembly (DFM/DFA), tolerance analysis, functional dimensioning and geometric tolerancing (GD&T).
- Solid understanding of root cause analysis, DOEs, and other quality measuring techniques.
- BSME or equivalent.
- Willingness and ability to travel to China as needed.

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