Plastics CNC Machinist: 3-Axis Vertical Mill (Day/Swing)

Randstad USA; San Jose (CA); On-site; USD 67,000 - 96,000; Full time

Job summary

Randstad USA is seeking an experienced CNC Machinist to support a premier client in California. You will set up and operate 3-axis vertical mills, machine plastic components, and perform first-article inspections in a clean ISO-certified facility.

You will work with minimal supervision in a high-mix/low-volume environment, edit G-code at the machine, and contribute to continuous improvement initiatives while upholding safety and quality standards.

Qualifications

• 3-5+ years of hands-on experience setting up and operating 3-Axis Vertical Mills.
• Background machining plastics and polymers required.
• Mastery of blueprint reading, GD&T interpretation, and precision measuring tools.

Responsibilities

• Setup & Machining: Perform setups and operations on 3-Axis Vertical Mills for plastic components. Load tooling, verify tool lengths, set work offsets, and perform G-code edits directly at the machine to optimize surface finish and tolerances.
• Material Expertise: Utilize proper feeds, speeds, tooling, and chip management techniques tailored specifically to engineered plastics and polymers.
• Quality & Inspection: Perform first-article and in-process inspections using micrometers, calipers, height gauges, and indicators. Interpret blueprints and complex GD&T requirements to ensure part conformance.
• Process Optimization: Identify opportunities to improve tooling, fixtures, and cycle times. Maintain setup sheets and process notes for repeatability.
• Mentorship & Collaboration: Provide guidance and technical assistance to junior machinists, collaborating closely with programmers, engineering, quality teams, and cross-shift team members.
• Safety & Maintenance: Adhere to safety protocols, perform routine machine maintenance (coolant levels, chip removal), and maintain an organized workspace following 5S standards.

Skills

CNC

3 Axis

Vertical Mill

Plastics

Polymer

Fanuc

Haas

Education

High School

Tools

G-code

Job description

Randstad USA is seeking an experienced CNC Machinist to support a premier client in California. You will set up and operate 3-axis vertical mills, machine plastic components, and perform first-article inspections in a clean ISO-certified facility.

You will work with minimal supervision in a high-mix/low-volume environment, edit G-code at the machine, and contribute to continuous improvement initiatives while upholding safety and quality standards.