Prototype Machinist (7:00am to 3:30pm)
Company: Atomic Machines
Location: Emeryville
Posted on: January 16, 2026
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Job Description:
Job Description Job Description Atomic Machines is ushering in a
new era of micromanufacturing with its Matter Compiler™ technology.
This full-stack technology enables new classes of micromachines to
be designed and built by offering manufacturing processes and a
materials library that is inaccessible to semiconductor
manufacturing methods. It promises to unlock MEMS manufacturing for
the many device classes frustrated by semiconductor methods and to
open up entirely new product classes. The Matter Compiler™
technology fully realizes the digital manufacturing dream: bits and
raw materials go in, and complete, functional micromachines come
out. The Atomic Machines team has also created an exciting first
device – one that was only made possible by the existence of the
Matter Compiler™ technology – that we will be unveiling to the
world soon. Our offices are in Emeryville and Santa Clara,
California. About the role: This role will begin 8:30am – 5:00pm to
support initial ramp-up and training. Within the first three
months, it will transition to a permanent day shift , operating
from 7:00am to 3:30pm. As a Prototype Machinist, you will be
responsible for making parts from start to finish in our machine
shop in Emeryville. This includes ordering tooling and materials,
process development, CAM programming, fixture design, manufacturing
the parts on the machines, and metrology / inspection You will also
provide feedback on designs to make manufacturing faster, easier,
and more repeatable. You will think quickly, produce quality work,
and anticipate concerns before they become blockers. Additionally,
you will collaborate with a small team of machinists in charge of
keeping the shop clean, safe, and organized, enforcing shop
policies, and training staff. What You'll Do: Interpret 3D models
and engineering drawings to plan setups, program CAM, design
fixturing, and run inspection workflows. Operate a variety of CNC
machines (3-axis, 32, and 5-axis mills; live-tool lathes;
waterjets; and laser cutters) while maintaining tolerances down to
±0.0005 in (±13 µm). Develop innovative work-holding and tooling
solutions for prototyping Generate efficient CAM programs, manage
tool libraries, and maintain CAM templates. Perform in-process and
final inspections using calipers, micrometers, height gauges, and
CMM. Optimize feeds and speeds and drive continuous improvements in
shop processes. Collaborate with engineers and machinists to
provide design-for-manufacturing feedback on machined and welded
parts/assemblies. Support fabrication of tooling, fixturing, and
other structures for R&D hardware. Document setups, offsets,
inspection results, and lessons learned to strengthen tribal
knowledge. Uphold safety protocols, PPE usage, and compliance with
company standards. Contribute to shop cleanliness, organization,
and equipment readiness. Proactively manage assigned projects to
deliver parts on schedule. What you'll need: A first-principles
mindset — You question assumptions, break problems down to
fundamentals, and prefer root-cause solutions over
pattern-matching. 3 years of CNC machining experience in a
high-mix, low-volume environment, with exposure to 5-axis or
mill-turn systems. Welding certification with strong knowledge of
codes, symbols, and techniques. Expertise in at least one CAM
platform (e.g., Fusion 360, Mastercam, HyperMill), with flexibility
to adapt to others. Strong GD&T literacy and ability to
interpret complex drawings, consistently holding tolerances of
Proficiency in metrology tools and inspection methods (CMM
experience preferred). Experience machining and welding a range of
materials, including aluminum, stainless steel, and titanium.
Skilled in manual machining equipment such as mills, lathes, drill
presses, and saws. Excellent communication skills, with the ability
to document, share workflows, and provide constructive feedback.
Ability to lift heavy items (up to 50 lbs) as needed. Hourly Rate
Range $45—$55 USD
Keywords: Atomic Machines, Brentwood , Prototype Machinist (7:00am to 3:30pm), Engineering , Emeryville, California
