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Atomic Machines · 9 hours ago

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

Emeryville, California

Full-time

Onsite

Mid Level

$45/hr - $55/hr

3+ years exp

Atomic Machines is pioneering micromanufacturing with its innovative Matter Compiler™ technology, which enables the creation of advanced micromachines. The Prototype Machinist will be responsible for producing parts in the machine shop, collaborating with a team to ensure quality and efficiency in manufacturing processes.

ManufacturingSemiconductor

H1B Sponsor Likely

Responsibilities

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, 3+2, 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

Qualification

CNC machiningCAM programmingWelding certificationMetrology toolsGD&T literacyManual machiningFirst-principles mindsetCommunication skillsProject management

Required

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 <0.001 in / 25 µm

Proficiency in metrology tools and inspection methods

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

Preferred

CMM experience preferred

Company

Atomic Machines

Atomic Machines are into MEMS micro- and nano-fabrication.

Founded in 2019

Berkeley, California, USA

51-200 employees

https://www.atomicmachines.com/

H1B Sponsorship

Atomic Machines has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (4)

2024 (7)

2023 (3)