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Staff Mechanical Design Engineer, Big Machines

Redwood Materials


Job Location:

San Francisco, CA - USA

Monthly Salary: $ 147500 - 235000
Posted: 2 August 2026 (30+ days ago)
Application Deadline: 6 November 2026
Vacancies: 1 Vacancy

Job Summary

About Redwood Materials

Redwood is localizing a global battery supply chain that seamlessly integrates recovery reuse and recyclingkeeping critical minerals in circulation and driving the energy transition. Founded in 2017were delivering low-cost and large-scale energy storage and producing battery materials in the U.S. for the first time all from batteries we already have.

About the team

Big Machinesdesignsandbuildscustom equipmentfor our factories and processing of what we makecantbe bought from a vendor so wefigure out how todesignbuildand commissionit scale is big. A full kiln system may weigh100tons and be over30m long.

We are looking for anengineer whohas ownedmachinery from concept through commissioning. You have built things that failedandlearned the hard work from first principles when there is no precedent to lean onrun your own analysisand you hold a high standard for detail without losing the ability to execute.

Responsibilities

  • Own the design build and commissioning of low-volume custom integrated machines

  • Perform engineering hand calculations and finite element analysis to size structures and mechanisms

  • Create detailed models and engineering prints in SolidWorks including managing large assemblies and drawing packages

  • Collaborate with internal fabrication teams and external vendors to manufacture parts

  • Support machine assembly and testing by performing hands-on commissioning equipment operation and floor troubleshooting

Basic Qualifications

  • Bachelors degree in mechanical engineering or a related discipline

  • 5 years of professional experience designing and analyzing mechanical structures mechanisms or industrial equipment

  • Advanced proficiency in 3D CAD software such as SolidWorks NX CATIA or Creo

  • Strong understanding and application of Geometric Dimensioning and Tolerancing (GD&T)

Preferred Qualifications

  • Experience designing and fabricating welded structures

  • Experience designing and testing mechanical mechanisms

  • Experience managing large CAD assembly models and engineering drawings

  • Experience with Finite Element Analysis (FEA) and Computational Fluid Dynamics (CFD)

  • Experience integrating servos actuators and sensors

  • Hands-on experience working in a production facility with heavy equipment and industrial machinery

In accordance with California pay transparency laws the salary range for this position is listed below. Actual compensation may vary based on a variety of factors including experience education and skills.

California Pay Range:

$147500 - $235000 USD

The position is full-time. Compensation will be commensurate with experience.

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Required Experience:

Staff IC


About Company

Company Logo

Redwood creates a closed-loop, domestic supply chain by recycling and refining lithium-ion batteries and remanufacturing anode and cathode components.

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