Staff Mechanical Design Engineer, Big Machines

Redwood is localizing a global battery supply chain that seamlessly integrates recovery, reuse, and recycling—
keeping critical minerals in circulation and driving the energy transition. Founded in 2017,
we’re 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.

Big Machinesdesignsandbuildscustom equipment for our factories and processing plants.

Most of what we makecan’tbe bought from a vendor, so wefigure out how todesign,build,and commission it ourselves.

The scale is big. A full kiln system may weigh
100+tons and be over
30m long.

We are looking for an engineer whohas ownedmachinery from concept through commissioning. You have built things that failedandlearned the hard lessons.

You work from first principles when there is no precedent to lean on,run your own analysis,and you hold a high standard for detail without losing the ability to execute.

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 Solid Works, 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

Bachelor's 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 Solid Works, NX, CATIA, or Creo

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

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

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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.

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

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