CNC Machine Operator

MacLean Power Systems; Stockton (CA); On-site; USD 34,000 - 39,000; Full time

Job summary

MacLean Power Systems is seeking a CNC Machine Operator to set up, operate, and maintain CNC equipment producing high-precision parts from engineering blueprints. You will verify tooling and offsets, read blueprints, and interpret GD&T while monitoring quality and tool changes.

The role requires 2+ years of CNC experience, proficiency with measuring tools, and basic G-code knowledge. Expect a hands-on position with strong attention to safety and process improvement.

Qualifications

• High school diploma or GED; technical certification or trade school training preferred.
• 2+ years of CNC machining experience in a manufacturing or metalworking environment.
• Proficiency in reading blueprints and understanding machining principles.
• Experience operating CNC machines (HAAS SL-30, HAAS TL-3, Samsung SL25004 and/or Hurco VM20i a plus, or similar controls).
• Ability to use precision measuring tools (micrometers, calipers, height gauges).
• Basic understanding of G-code and machine programming concepts (a plus).

Responsibilities

• Set up and operate CNC machines (e.g., mills, lathes, routers, grinders) according to job orders and engineering drawings.
• Load raw materials and verify correct tooling, fixtures, and offsets.
• Interpret technical drawings, blueprints, and GD&T symbols.
• Monitor machine operations, make adjustments, and perform tool changes as needed.
• Inspect finished parts using calipers, micrometers, gauges, and other precision measuring instruments.
• Maintain accurate production records, including setup sheets and quality documentation.
• Perform routine machine maintenance and report mechanical issues promptly.
• Follow all safety protocols, lockout/tagout procedures, and workplace guidelines.
• Collaborate with engineers, supervisors, and quality control personnel to resolve production issues.
• Identify opportunities to improve machining processes and reduce waste.
• Adhere to 5S standards (e.g., maintain cleanliness of work area, etc.)
• Perform other duties as assigned

Skills

Read blueprints

G-code understanding

Precision measurements

CAD/CAM software

Problem solving

Education

High school diploma or GED

Tools

HAAS SL-30

HAAS TL-3

Samsung SL25004

Hurco VM20i

Job description

CNC Machine Operator

Job Summary

The CNC Machine Operator is responsible for setting up, operating, and maintaining computer numerical control (CNC) machines to produce high-quality precision parts according to engineering blueprints and specifications.

Job Duties

• Set up and operate CNC machines (e.g., mills, lathes, routers, grinders) according to job orders and engineering drawings.
• Load raw materials and verify correct tooling, fixtures, and offsets.
• Interpret technical drawings, blueprints, and GD&T symbols.
• Monitor machine operations, make adjustments, and perform tool changes as needed.
• Inspect finished parts using calipers, micrometers, gauges, and other precision measuring instruments.
• Maintain accurate production records, including setup sheets and quality documentation.
• Perform routine machine maintenance and report mechanical issues promptly.
• Follow all safety protocols, lockout/tagout procedures, and workplace guidelines.
• Collaborate with engineers, supervisors, and quality control personnel to resolve production issues.
• Identify opportunities to improve machining processes and reduce waste.
• Adhere to 5S standards (e.g., maintain cleanliness of work area, etc.)
• Perform other duties as assigned

Experience and Education

• High school diploma or GED; technical certification or trade school training preferred.
• 2+ years of CNC machining experience in a manufacturing or metalworking environment.
• Proficiency in reading blueprints and understanding machining principles.
• Experience operating CNC machines (HAAS SL-30, HAAS TL-3, Samsung SL25004 and/or Hurco VM20i a plus, or similar controls)
• Ability to use precision measuring tools (micrometers, calipers, height gauges).
• Basic understanding of G-code and machine programming concepts (a plus).

Competencies/ Technology Skills

• Intermediate verbal and written communication skills
• Strong mechanical aptitude and problem-solving skills.
• Knowledge of CAD/CAM software
• Excellent analytical and problem-solving abilities.
• Ability to identify and seek needed information/research skills
• Detail oriented

Hourly Range: $25 - $28