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<h2>Prototype Machinist (11:00 PM – 7:30 AM)</h2>Atomic Machines – Emeryville, CA 💰 Pay: $47–$59 per hour 🕐 Shift: Night Shift | Full-Time 📍 Location: Emeryville, California<h3>Company Overview</h3>Atomic Machines is transforming modern manufacturing with its groundbreaking Matter Compiler™ technology — a full-stack micromanufacturing platform that turns digital designs and raw materials into fully functional micromachines. This process enables the production of parts and device classes that traditional semiconductor fabrication cannot achieve, opening new frontiers in MEMS, micro-mechanics, and advanced precision engineering.With offices in Emeryville and Santa Clara, Atomic Machines blends cutting-edge CNC machining, automation, metrology, materials science, and R&amp;D prototyping to build hardware that hasn’t existed before.<h3>About the Role</h3>This Prototype Machinist (Night Shift) position begins with day-shift training (8:30 AM – 5:00 PM) for the first several months. Upon completion, the role transitions into a permanent 11:00 PM – 7:30 AM schedule.In this role, you will own machining projects from start to finish — including CAM programming, tooling selection, fixture design, CNC machining, inspection, and documentation. You will produce tight-tolerance parts for the Matter Compiler™ and collaborate closely with engineers and prototype machinists to drive innovation in Atomic Machines’ R&amp;D shop.<h3>Key Responsibilities</h3><ul><li>Interpret engineering drawings, blueprints, and 3D CAD models to develop machining plans.</li><li>Create CAM programs using Fusion 360, Mastercam, HyperMill, or similar software.</li><li>Operate a wide range of CNC machines, including:<ul><li>3-axis, 3+2, and 5-axis CNC mills</li><li>Live-tool CNC lathes</li><li>Waterjets and laser cutters</li></ul></li><li>Machine precision components to tolerances as tight as ±0.0005" (±13 µm).</li><li>Develop custom fixtures, tooling, and workholding for prototype manufacturing.</li><li>Perform in-process and final inspections using calipers, micrometers, height gauges, and CMM.</li><li>Provide design-for-manufacturing (DFM) feedback to engineering teams.</li><li>Fabricate tooling, fixturing, and hardware for R&amp;D assemblies.</li><li>Document setups, offsets, inspection results, and best practices.</li><li>Maintain an organized, clean, and safe machine shop environment.</li></ul><h3>What You’ll Need</h3><ul><li>3+ years of CNC machining experience in a high-mix, low-volume, or R&amp;D environment.</li><li>Working knowledge of 5-axis machining or mill-turn systems.</li><li>Proficiency with at least one CAM platform (Fusion 360, Mastercam, HyperMill, etc.).</li><li>Strong GD&amp;T, blueprint reading, and tolerance interpretation skills (&lt;0.001").</li><li>Experience machining aluminum, stainless steel, titanium, and similar materials.</li><li>Skilled in manual machining (mills, lathes, drill presses, saws).</li><li>Welding certification or welding experience strongly preferred.</li><li>CMM or advanced metrology experience a plus.</li><li>Strong communication, documentation, and problem-solving abilities.</li><li>Ability to lift up to 50 lbs.</li></ul><h3>Why Join Atomic Machines</h3>✅ Build parts that support groundbreaking new micromanufacturing technology ✅ Work with advanced CNC and metrology equipment in a modern R&amp;D shop ✅ Fast-moving, highly innovative engineering environment ✅ Competitive $47–$59 per hour compensation ✅ Opportunity to produce components that have literally never been made before

Atomic Machines

Prototype Machinist (11:00pm to 7:30am)

<h2>Prototype Machinist (3:00 PM – 11:30 PM)</h2>Atomic Machines – Emeryville, CA 💰 Pay: $45–$55 per hour 🕐 Shift: Swing Shift | Full-Time 📍 Location: Emeryville, California<h3>Company Overview</h3>Atomic Machines is pioneering a new era of micromanufacturing with its revolutionary Matter Compiler™ technology — a groundbreaking platform that transforms digital designs into fully functional micromachines. By enabling processes and materials that conventional semiconductor manufacturing cannot support, Atomic Machines is unlocking new capabilities in MEMS, micro-mechanical systems, and advanced device manufacturing.With facilities in Emeryville and Santa Clara, Atomic Machines sits at the intersection of precision CNC machining, automation, metrology, and cutting-edge R&amp;D hardware development.<h3>About the Role</h3>This Prototype Machinist (Swing Shift) role begins on a standard 8:30 AM – 5:00 PM schedule for onboarding and training. After ramp-up, it transitions to a permanent 3:00 PM – 11:30 PM shift.You will take full ownership of machining projects from concept to completion — including CAM programming, tooling selection, fixturing, CNC machining, inspection, and documentation. Your work directly supports the development and refinement of the Matter Compiler™ and Atomic Machines’ next-generation micromanufacturing capabilities.<h3>Key Responsibilities</h3><ul><li>Interpret 3D CAD models and engineering drawings to plan setups and machining workflows.</li><li>Program CAM using Fusion 360, Mastercam, HyperMill, or similar platforms.</li><li>Run a variety of CNC equipment, including:<ul><li>3-axis, 3+2, and 5-axis CNC mills</li><li>Live-tool CNC lathes</li><li>Waterjets &amp; laser cutters</li></ul></li><li>Machine precision components with tolerances down to ±0.0005" (±13 µm).</li><li>Design and build custom fixtures, tooling, and workholding systems for prototype manufacturing.</li><li>Perform in-process and final inspections using calipers, micrometers, height gauges, and CMM.</li><li>Provide design-for-manufacturing (DFM) feedback to engineering teams.</li><li>Fabricate fixtures, tooling, and prototype structures for R&amp;D hardware.</li><li>Document machining processes, offsets, inspection results, and lessons learned.</li><li>Maintain a clean, organized, and safe machine shop environment.</li></ul><h3>Qualifications</h3><ul><li>3+ years of CNC machining experience, ideally in a high-mix, low-volume, or R&amp;D prototype environment.</li><li>Proficiency with at least one CAM system (Fusion 360, Mastercam, HyperMill, etc.).</li><li>Strong understanding of GD&amp;T, precision tolerances, and blueprint interpretation (&lt;0.001").</li><li>CNC experience with aluminum, stainless steel, titanium, and other advanced materials.</li><li>Skilled with manual machining equipment (mills, lathes, drill presses, saws).</li><li>Welding certification or practical welding experience is a strong plus.</li><li>Experience with CMM and advanced metrology tools preferred.</li><li>Strong communication skills and ability to document workflows clearly.</li><li>Ability to lift up to 50 lbs as needed.</li></ul><h3>Why Join Atomic Machines</h3>✅ Be part of the team developing next-generation micromanufacturing technology ✅ Prototype never-before-made precision components ✅ Work with state-of-the-art CNC, metrology, and R&amp;D tools ✅ Competitive pay range of $45–$55/hr ✅ Highly collaborative engineering and machining environment

Prototype Machinist (3:00pm to 11:30pm)

12 CNC Operator Jobs in California