Mechanical Engineer

Reposted 4 Days Ago
Alameda, CA, USA
In-Office
120K-250K Annually
Mid level
Software • Industrial • Manufacturing
The Role
As a Mechanical Engineer, you'll design, prototype, and scale rare-earth reactors, collaborating with machinists and researchers while documenting procedures and safety plans.
Summary Generated by Built In
Making the Metals Powering the World

Solcoa is building the next generation of American metalmaking, starting with rare earths — the metals of power and motion. We've developed a new chemistry that converts rare earth oxides into high-purity metals — the materials inside every EV, fighter jet, wind turbine, and data center — cleaner, cheaper, and faster than any conventional process. Now we're scaling it to thousands of tonnes of annual production.

 
The Role — Mechanical Engineer

We’re looking for a hands-on mechanical engineer to design, prototype, and scale the next generation of our rare-earth reactors. You’ll own designs from concept through commissioning, working closely with machinists and researchers to turn ideas into operating systems.

What You’ll Do
  • Architect, model, and draw reactor subsystems (thermal, vacuum, materials handling) in CAD (Fusion).

  • Specify components, tolerances, and materials for high-temperature, corrosive, and vacuum environments.

  • Build and iterate prototypes; run experiments; analyze data to drive design decisions.

  • Author procedures, test plans, and safety/operating documentation.

  • Collaborate with fabrication partners; support continuous improvement.

What You Bring

Required

  • Proficiency in CAD (Fusion)

  • Hands-on experience with metal machining and shop tools

  • Experience with high-temperature systems and/or vacuum hardware

  • Detail-orientation and precise technical execution

  • Comfort working independently in a fast-paced, build-measure-learn environment

  • Availability to start soon

Preferred

  • Coursework or experience in chemistry or physics (thermo, materials, reaction engineering, or similar)

Compensation & Benefits
  • Competitive base salary

  • Generous stock options

  • Comprehensive health, dental, and vision insurance

  • Company-provided lunch daily.

  • Visa sponsorship available if needed

Skills Required

  • Proficiency in CAD (Fusion)
  • Hands-on experience with metal machining and shop tools
  • Experience with high-temperature systems and/or vacuum hardware
  • Detail-orientation and precise technical execution
  • Comfort working independently in a fast-paced, build-measure-learn environment
  • Availability to start soon
Am I A Good Fit?
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The Company
HQ: San Francisco, California
6 Employees
Year Founded: 2024

What We Do

Clean, economical light and heavy rare earth metals—made 100% in the West.

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