Mechanical Engineer (Thermal & Fluids Hardware Design)

Mainspring Energy

Menlo Park, CA • 15m ago • On-site

Mid

On-site

119,000 - 165,000 USD/yr

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Potential salary for Mechanical Engineer (Thermal & Fluids Hardware Design) role

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$119,000 – $165,000/year

Quick Facts

  • Role: Mid-level Mechanical Engineer focused on Thermal / Fluids Hardware Design

  • Focus: Thermal subsystems and air/liquid handling systems for Linear Generator hardware

  • Work style: Cross-functional, fast iteration with analysis and hands-on engineering

Description

Design and optimize key thermal and fluids subsystems for Linear Generator hardware, including air and liquid handling systems. Develop new concepts and improve existing ones through computational analysis, prototyping/validation, and coordination through deployment and manufacturing. Partner with reliability and test teams to validate systems and components via rapid learning cycles.

Responsibilities

  • Develop and optimize thermal subsystems to reduce cost, improve performance, and ensure high reliability

  • Contribute to thermal subsystem projects and related work in other subsystems

  • Validate systems and components with reliability and test teams using fast learning cycles

  • Participate in brainstorming for novel improvements across the Linear Generator

  • Collaborate with manufacturing engineering, NPI, and external suppliers to deploy new designs into production

Requirements

  • BS in Mechanical Engineering (or similar) + 3 years relevant experience, or MS + 2 years relevant experience

  • Direct experience designing air or liquid handling systems with strong thermo-fluid fundamentals

  • Proficiency in SolidWorks or comparable CAD; PLM experience preferred

  • Experience with finite element analysis (structural, thermal, or fluids)

  • Familiarity with thermal systems design simulation tools

  • Experience developing test plans and analyzing data across benchtop to product-scale testing

  • Experience working with suppliers to develop and qualify new components

  • Experience with manufacturing processes such as sheet metal forming, machining, and plastics molding/forming

  • Strong attention to detail; ability to create/review design documentation, BOMs, work instructions, and test plans/reports

  • GD&T experience ideal

  • Demonstrated ability to deliver functional product designs in a rapid development environment

Benefits

  • Base salary range: $119,000–$165,000/year (adjusted for local market and experience)

  • Pre-IPO company equity via RSUs

  • Benefits package

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