5-Axis CNC Machinist in San Jose, California at A1J Technologies LLC

Location: San Jose, CA

The 5-Axis CNC Machinist is responsible for setting up, programming, operating, and maintaining advanced 5-axis CNC machining centers to produce complex, high-precision components in accordance with engineering drawings and customer specifications. This role requires advanced machining knowledge, strong technical and programming skills, and the ability to work independently to manufacture intricate parts with tight tolerances in a fast-paced manufacturing environment.

• Machine Setup & Operation
  
  • Set up and operate 5-axis CNC machining centers, including tooling, fixtures, workholding, offsets, and machine alignment.
  • Load materials and verify proper workpiece positioning and orientation.
  • Select appropriate cutting tools, tool paths, feeds, and speeds based on material and design requirements.
  • Perform complex machining operations, including milling, drilling, contouring, profiling, and multi-sided machining.
  • Optimize machining processes to maintain accuracy, efficiency, and production quality.
• Quality Control
  
  • Read and interpret blueprints, engineering drawings, technical specifications, 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 correct machining or dimensional issues to maintain product quality.
• Programming & Adjustments
  
  • Create, modify, and optimize CNC programs, including G-code and machine-specific programming.
  • Interpret and execute complex 5-axis tool paths and machining strategies.
  • Make program edits and adjustments at the machine to improve efficiency, accuracy, and production outcomes.
  • Utilize CAD/CAM software to develop and modify machining programs as needed.
  • Adjust feeds, speeds, tooling, and machining parameters to achieve optimal results.
• Maintenance & Troubleshooting
  
  • Perform routine machine maintenance, cleaning, and preventive maintenance activities.
  • Troubleshoot machining, tooling, and operational issues to minimize downtime.
  • Identify and resolve issues related to machine alignment, tool wear, vibration, and part accuracy.
  • Maintain proper machine operation and report equipment issues as needed.
• Documentation & Communication
  
  • Maintain accurate production records, setup sheets, inspection reports, and machining documentation.
  • Communicate effectively with supervisors, engineers, and quality control personnel regarding production requirements and technical issues.
  • Collaborate with engineering and production teams to improve machining processes and resolve manufacturing challenges.
• 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.

• 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.

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

Required:

• High school diploma or equivalent.
• 3+ years of experience operating and setting up CNC machining centers, preferably 5-axis machines.
• Strong understanding of 5-axis machining principles and multi-axis machining operations.
• Ability to read and interpret complex blueprints, engineering drawings, and GD&T requirements.
• Proficiency with precision measurement tools and inspection techniques.
• Knowledge of CNC programming, G-code, tooling, feeds, and speeds.
• Ability to work independently, troubleshoot problems, and maintain tight machining tolerances.

Preferred:

• Experience programming and operating 5-axis CNC machines.
• Familiarity with CAD/CAM software, such as Mastercam, Fusion 360, or similar platforms.
• Experience machining complex geometries and tight-tolerance components.
• Experience machining a variety of metals and alloys.
• Experience with aerospace, medical, or other precision manufacturing applications.