CNC Machinist

Posted Yesterday
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San Francisco, CA, USA
In-Office
85K-100K Annually
Mid level
Artificial Intelligence • Hardware • Robotics • Automation
The Role
Program, set up, prove out, inspect, and produce prototype and production parts on CNC mills using aluminum, steel, and engineering plastics. Manage CAM workflows, tooling, workholding, GD&T-based inspection, 3D printing, shop maintenance, inventory, and fabrication standards. Provide engineers with design-for-manufacturing feedback and help improve shop equipment and processes. Support frequent changeovers and small-batch production in a fast-paced robotics prototype environment.
Summary Generated by Built In

Join Us, and Ship Robots

Weave was founded to build the robots we’d want to have in our own home. We believe the next generation of robotics will transform everyday life by enabling people to do more and to reclaim time to spend on what’s important.

We also believe robots are in a sense like any other product: to matter, they have to ship. Our robots are already operating in real homes and businesses, giving us the opportunity to rapidly improve from real-world experience. With a growing team, strong customer demand, and capital for expansion, we’re entering an exciting stage of growth—and we’re looking for people with exceptional talent and standards to help bring home robotics to millions of households.

The Role

At Weave we build practical and delightful robots that benefit as many people as possible. We're already publicly shipping some of the first bimanual robots you can buy, but we'll be defined as a company by how quickly we can build and ship orders of magnitude more. To that end we're now growing our assembly and manufacturing teams.

We machine our robots' structural parts in our own shop. As a CNC Machinist at Weave, you'll take parts from CAD through CAM, setup, first article, and production runs, and help decide how the shop is equipped as we grow. You'll also run our 3D printers and other rapid fabrication so engineering can iterate fast.

Responsibilities

  • Own parts CAM to first article. Program in CAM (Fusion 360 or similar), select tooling and workholding, set up, prove out, and cut production and prototype parts in aluminum, steels, and engineering plastics.

  • Hold the tolerances that matter. Read GD&T, know which callouts drive function, and inspect your own work with mics, indicators, and gauges before anyone asks.

  • Run the additive side. Own our 3D printers (FDM/SLA-class): job preparation, material handling, and knowing when a part needs to be printed instead of machined.

  • Keep the shop sharp. Tool library, machine maintenance schedules, stock organization, and the standards that keep the shop humming.

  • Make parts easier to make. Give engineers direct DFM feedback: a fillet radius, a datum change, or a tolerance relaxation that cuts cycle time without cutting function.

What you'll bring

  • 3+ years programming and machining your own parts on CNC mills (lathe experience welcome): a true programmer/operator, not a button-pusher or a CAM-only programmer.

  • CAM fluency in Fusion 360, Mastercam, or similar, with the tooling and feeds/speeds judgment to back your own programs.

  • Inspection skill: confident with precision measurement and first-article discipline; you catch your own scrap before it travels.

  • Prototype-shop temperament: small batches, frequent changeovers, and new parts weekly, with the setup creativity to support pace and flux.

  • Pride in the work. Parts you'd sign. Degrees not required; your parts are your portfolio.

Nice to have

  • 5-axis or 4-axis experience.

  • Working-lead experience: planning shop workload and mentoring another machinist.

  • Fixture design experience for machining or assembly.

Skills Required

  • 3+ years programming and machining parts on CNC mills
  • Experience as a true CNC programmer/operator, not only a CAM programmer
  • CAM fluency with Fusion 360, Mastercam, or similar
  • Tooling and feeds/speeds judgment sufficient to support personal CNC programs
  • Precision measurement and first-article inspection skills
  • Ability to work in a prototype shop with small batches, frequent changeovers, and new parts weekly
  • 4-axis or 5-axis machining experience
  • Working-lead experience planning shop workload and mentoring another machinist
  • Fixture design experience for machining or assembly
  • Lathe experience
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The Company
16 Employees
Year Founded: 2024

What We Do

Weave Robotics is a San Francisco-based startup focused on developing practical, autonomous personal robots for the home. Their debut product, Isaac 0, is a stationary laundry-folding robot designed to save users time by autonomously tidying and folding clothes. The company aims to transition advanced robotics research into real-world home products, starting with laundry as a primary use case to return time to households.

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