CNC Machine Operator

Dotson; Stockton (CA); On-site; USD 34,000 - 39,000; Full time

Job summary

Dotson is seeking a CNC Machine Operator to set up, program, and run CNC machines to produce precision parts per engineering drawings.

The role requires reading blueprints, using micrometers and calipers, and maintaining quality records. Candidates should have 2+ years in CNC machining and familiarity with G-code. On-site work in California with standard safety practices.

Qualifications

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

Responsibilities

• Set up and operate CNC machines per job orders and drawings.
• Load materials and verify tooling, fixtures, and offsets.
• Interpret drawings, blueprints, and GD&T symbols.
• Monitor operations, adjust, and perform tool changes as needed.
• Inspect finished parts with calipers, micrometers, and gauges.
• Maintain production records and quality documentation.
• Perform routine machine maintenance and report issues.
• Follow safety protocols, lockout/tagout, and work guidelines.
• Collaborate with engineers, supervisors, and QC to resolve issues.
• Identify opportunities to improve processes and reduce waste.
• Adhere to 5S standards and keep work area clean.

Skills

Verbal and written communication

Mechanical aptitude

CAD/CAM software

Analytical/problem solving

Research skills

Detail oriented

Education

High school diploma or GED

Trade school certification (preferred)

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