
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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