3-Axis Setup CNC Machinist

A1J Technologies LLC; San Jose (CA); On-site; USD 65,000 - 90,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

Life Insurance

Paid Time Off

401(k) Retirement Plan

401(k) Employer Match

Job summary

A1J Technologies LLC is seeking a 3-Axis Setup CNC Machinist in San Jose, CA. The role focuses on setting up, operating, and maintaining 3-axis CNC milling machines to produce precision components per engineering drawings and customer specifications.

The candidate will read blueprints, select cutting tools, set feeds and speeds, and monitor production quality in a fast-paced environment. Strong problem‑solving and attention to detail are essential for success.

Qualifications

• High school diploma or equivalent.
• 2+ years operating CNC milling machines, preferably 3-axis.
• Read and interpret blueprints, drawings, and GD&T.
• Proficient with precision measurement tools and inspection techniques.
• Basic understanding of CNC programming, G-code, tool offsets, feeds and speeds.

Responsibilities

• Set up and operate 3-axis CNC mills, including fixtures and workholding.
• Load materials and verify correct workpiece positioning and alignment.
• Select tools, feeds, and speeds per material and design requirements.
• Perform milling, drilling, tapping, boring, and related machining operations.
• Read blueprints and ensure parts meet tolerances and finish specs.
• Document production data and communicate quality concerns to supervisors.

Skills

CNC machining

Blueprints & GD&T

Precision measurement

Independent troubleshooting

Education

High school diploma or equivalent

Tools

Mastercam

Fusion 360

Job description

Description:

Job Title: 3-Axis Setup CNC Machinist

Location: San Jose, CA

Position Summary

The 3-Axis Setup CNC Machinist is responsible for setting up, operating, and maintaining 3-axis CNC milling machines to produce precision components in accordance with engineering drawings and customer specifications. This role requires strong machining skills, attention to detail, and the ability to perform production machining operations while maintaining quality, accuracy, and efficiency in a fast-paced manufacturing environment.

Key Responsibilities

• Machine Setup & Operation
  
  • Set up and operate 3-axis CNC milling machines, including tooling, fixtures, workholding, and machine offsets.
  • Load materials and verify proper workpiece positioning and alignment.
  • Select appropriate cutting tools, feeds, and speeds based on material and design requirements.
  • Perform milling, drilling, tapping, boring, facing, and other machining operations.
  • Monitor machine operations and make adjustments to ensure consistent production quality.
  • Follow setup instructions and production schedules to meet manufacturing requirements.
• Quality Control
  
  • Read and interpret blueprints, engineering drawings, work orders, and GD&T requirements.
  • Measure and inspect finished components using precision measurement instruments, including micrometers, calipers, bore gauges, height gauges, and other inspection equipment.
  • Ensure machined parts meet specified tolerances, dimensions, and surface finish requirements.
  • Identify and report dimensional or quality issues and make necessary adjustments to maintain specifications.
• Programming & Adjustments
  
  • Load, execute, and make adjustments to CNC programs as required.
  • Make basic program edits at the machine, including tool offsets, work offsets, feeds, and speeds.
  • Understand and apply G-code and machine operating instructions.
  • Adjust tooling and machining parameters to improve efficiency, accuracy, and production quality.
  • Assist with program testing and optimization as needed.
• Maintenance & Troubleshooting
  
  • Perform routine machine maintenance, cleaning, and preventive maintenance activities.
  • Troubleshoot common machine, tooling, and operational issues to minimize downtime.
  • Monitor tool wear and replace cutting tools as needed.
  • Report equipment malfunctions or recurring production issues to supervisors.
• Documentation & Communication
  
  • Maintain accurate production records, setup sheets, inspection reports, and other required documentation.
  • Communicate effectively with supervisors, engineers, and quality control personnel regarding production requirements and quality concerns.
  • Follow work instructions and communicate any process or machining issues that may affect production.
• Safety & Compliance
  
  • Follow all company safety policies and wear required PPE.
  • Operate machinery and handle materials in accordance with established safety and environmental regulations.
  • Maintain a clean and organized work area.

Work Environment

• Machine shop environment with exposure to cutting fluids, noise, and moving machinery.
• Standing for extended periods and lifting up to 50 lbs. required.
• Overtime or weekend shifts may be required to meet production demands.

Benefits

• Medical Insurance
• Dental Insurance
• Vision Insurance
• Life Insurance
• Paid Time Off
• 401(k) Retirement Plan
• 401(k) Employer Match

Requirements:

Qualifications

Required:

• High school diploma or equivalent.
• 2+ years of experience operating CNC milling machines, preferably 3-axis machines.
• Working knowledge of CNC machining processes, tooling, and machine operation.
• Ability to read and interpret blueprints, engineering drawings, and GD&T requirements.
• Proficiency with precision measurement tools and inspection techniques.
• Basic understanding of CNC programming, G-code, tool offsets, feeds, and speeds.
• Ability to work independently, follow instructions, and troubleshoot common machining issues.

Preferred:

• Experience setting up and operating 3-axis CNC milling machines.
• Familiarity with CAD/CAM software, such as Mastercam, Fusion 360, or similar platforms.
• Experience making basic CNC program edits and adjustments.
• Experience machining a variety of metals and alloys.
• Experience in a precision manufacturing or machine shop environment.