Prototype Machinist (7:00 AM–3:30 PM)

Job overview

The Prototype Machinist is an onsite, full-time role in Emeryville, CA. The posting lists a salary range of $35–$55 USD but does not specify a pay period. The role supports Atomic Machines’ prototype and research-and-development work, turning engineering designs into functional hardware for its digital manufacturing systems. The machinist owns precision parts from planning and programming through setup, machining, inspection, and delivery. Working closely with engineers, the role provides manufacturability feedback, solves machining challenges, and documents processes to improve part quality and repeatability. The machine shop operates 24/7 on a 5-2 schedule, with shift assignments based on business and production needs.

What you'll do

• Read engineering drawings, CAD models, GD&T callouts, work instructions, and inspection requirements. Plan, program, set up, prove out, troubleshoot, and operate CNC mills and lathes, including 3-axis and 5-axis equipment. Develop CAM programs
• design fixtures and workholding
• select tools and materials. Machine prototype and low-volume parts across specified materials, inspect with metrology tools, and adjust processes to meet specifications. Collaborate with engineers on manufacturability, quality, and machining time
• manage and reprioritize jobs. Document setups and inspection results, maintain a safe and organized shop, and train internal shop users on equipment and safe practices.

What we're looking for

Skills & competencies

prototype machinist

cnc machining

3-axis and 5-axis

cnc mills and lathes

cam programming

fusion 360

precision parts

prototype and r&d

emeryville ca

atomic machines

full-time

onsite

24/7 shop

$35–$55 usd

Work arrangement

• Weekend coverage required

Benefits & perks

• The posting states that compensation includes equity and benefits.

Why this role

Hands-on prototype and R&D machining role involving CNC mills and lathes, 3-axis and 5-axis work, CAM programming, and tight tolerances.

About the employer

Atomic Machines is hiring for this role. Industry: All Other Industrial Machinery Manufacturing. Sector: 33.