Senior Prototype Tooling Machinist

MW Components, Inc.; Corona (CA); On-site; USD 70,000 - 100,000; Full time

Job summary

MW Components, Inc. is seeking a seasoned machinist to set up and operate manual milling machines, lathes, grinders, and related tools in Corona, CA. You will collaborate with engineering and manufacturing teams to develop production tooling and ensure precise tolerances are met.

The role requires reading engineering drawings, GD&T, and working instructions, with strong emphasis on safety, quality, and process improvement. Proficiency in machining math and measurement is essential.

Qualifications

• High school diploma or equivalent required.
• At least 5 years of prototype and tooling experience or proven mastery.
• Proficiency with machining math, including geometry and trigonometry.
• Ability to use precision measurement tools accurately.
• Solid understanding of materials.

Responsibilities

• Set up and operate manual milling machines, lathes, grinders, and other machine tools.
• Operate conventional mills, lathes, drill presses, saws, and grinders.
• Collaborate with engineering and manufacturing to create production tooling.
• Complete set-ups and operate with minimal supervision/assistance.
• Read and interpret blueprints, engineering drawings, GD&T, and work instructions.
• Select tools, fixtures, speeds, and feeds for accurate machining.
• Perform in-process inspections using calipers, micrometers, height gauges, etc.
• Adjust machine settings to meet tolerances and quality standards.
• Troubleshoot machining issues including tool wear and programming errors.
• Maintain accurate production records (travellers, inspection reports, logs).
• Perform routine maintenance on machines for safe operation.
• Collaborate with engineering, quality, and production to improve processes.
• Comply with safety standards and ISO/AS quality requirements.
• Other duties as needed to meet business needs.

Skills

Attention to detail

Mechanical aptitude

Problem-solving

Time management

Teamwork and communication

Safety and quality

Education

High school diploma or equivalent

5+ years prototype and tooling experience

Machining math (geometry & trig)

Precision measurement tools

Materials knowledge

Tools

Machining tools & equipment

Job description

MW Components, Inc. is seeking a seasoned machinist to set up and operate manual milling machines, lathes, grinders, and related tools in Corona, CA. You will collaborate with engineering and manufacturing teams to develop production tooling and ensure precise tolerances are met.

The role requires reading engineering drawings, GD&T, and working instructions, with strong emphasis on safety, quality, and process improvement. Proficiency in machining math and measurement is essential.