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Open nowPosted 21 hours ago

Machinist / Prototype Fabrication Engineer

Becoming

Where
San Francisco, CA, United States
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Your applicationOpen nowMachinist / Prototype Fabrication EngineerBecoming · San Francisco, CA, United States

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  2. CV RocketCV written for this posting.

  3. 25 readersRecruiter, hiring manager, skeptic. Round after round.

  4. CV RocketApplied on Becoming's own form.

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The clock on this job

Early applications get read.

11.8% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.4%3 days
  3. 11.8%7 days
  4. 18.6%14 days
  5. 35.6%30 days
  6. 45.1%60 days
This job: posted 21 hours ago

The posting

About Becoming

Becoming is building a new technology platform at the intersection of developmental biology, engineering, and AI.

Our work requires highly customized hardware. We are looking for an exceptional Machinist / Prototype Fabrication Engineer to help us build it.

The Role

You will work directly with Becoming's engineers and scientists to rapidly turn designs into physical hardware.

This is primarily an R&D and prototyping environment rather than conventional production manufacturing. You should enjoy rapid iteration, unusual engineering challenges, and working closely with the people designing and testing what you make.

What You'll Do

  • Machine precision components for experimental hardware.
  • Operate CNC mills, lathes, and manual machining equipment.
  • Build custom fixtures, jigs, adapters, enclosures, and experimental components.
  • Work from CAD, engineering drawings, sketches, and early-stage concepts.
  • Advise engineers on manufacturability, tolerances, materials, and fabrication approaches.
  • Rapidly modify components in response to experimental results.
  • Develop machining strategies for unusual geometries and low-volume parts.
  • Inspect components and verify critical dimensions.
  • Support assembly, troubleshooting, repair, and modification of experimental hardware.
  • Help build a world-class internal rapid-prototyping capability.

Requirements

Must Have

  • Have substantial hands-on machining experience.
  • Are highly capable with CNC milling and/or turning.
  • Are comfortable with manual mills and lathes.
  • Can independently take a component from drawing or CAD through fabrication.
  • Understand GD&T, tolerancing, fits, surface finishes, and inspection.
  • Have strong intuition for manufacturability.
  • Are comfortable working across metals and engineering polymers.
  • Enjoy working directly with engineers in a fast-moving R&D environment.
  • Take exceptional pride in the quality of physical things you build.

Nice to Have

  • CAM programming
  • Multi-axis machining
  • Precision fabrication
  • Scientific instrumentation
  • Medical-device hardware
  • Prototype development
  • Metrology and inspection
  • Welding or other fabrication techniques
  • Experience working in an internal R&D machine shop

What Success Looks Like

Ideas move from CAD to experiment dramatically faster because difficult hardware can be fabricated, tested, modified, and rebuilt under one roof.

Benefits

  • Competitive salary and meaningful equity depending on experience level
  • Full benefits
  • High-trust, high-ownership environment
  • Rapid growth in scope and responsibility
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  1. A CV for this posting

    Written against Becoming's own wording, from every piece of relevant proof in your profile.

  2. 25 readers review it

    Recruiter, hiring manager, skeptic and more read every draft, round after round. You get the best round.

    The review screen in CV Rocket: how each CV was read, round by round.

  3. We apply on Becoming's form

    Our application engine gets through the hardest forms there are. Where a question needs you, AI suggests the best answer. Don't want us applying from our IP addresses? Use our Chrome extension: we apply straight from your own browser.

    An application in CV Rocket: every answer filled in on the employer's form.

  4. Every reply, sorted

    Becoming's answer lands in your private mailbox, and we classify it on arrival: interview, question, rejection.

    The CV Rocket inbox: each employer reply classified as an interview, an action or a rejection.

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  6. The interview in your calendar

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    An interview invitation in the CV Rocket inbox, added to the candidate's calendar.
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