CNC MACHINIST I

LISI•Garden Grove, CA

3d•Onsite

About The Position

The CNC Machinist I is responsible for operating CNC machines and performing routine machining tasks in support of production and quality requirements. This role focuses on consistent machine operation, basic tooling changes, and in-process inspection while following established programs and work instructions. The CNC Machinist I works independently on assigned machines but escalates issues beyond routine operation to higher-level machinists or supervision.

Requirements

Minimum 1 year of CNC machining experience
Hands-on experience operating CNC machines in a manufacturing environment
Experience using precision measuring equipment such as calipers, micrometers, and gauges
Experience reading and interpreting basic blueprints
Familiarity with basic shop floor systems and production documentation
Minimum 1 year of CNC machining experience or successful completion of the internal CNC Machinist Trainee program
Experience operating CNC machines following established programs
Ability to adjust basic tooling and make routine tooling changes
Ability to use basic measuring equipment (calipers, micrometers, gauges)
Ability to read and interpret basic blueprints
Basic math skills (decimals and fractions)
Ability to communicate machine status and issues clearly using pass downs and face-to-face communication

Responsibilities

Operate CNC machines in accordance with established programs, work instructions, and safety procedures
Load and unload parts and monitor machine cycles
Change basic tooling as required
Use gauges and precision measuring devices to perform in-process inspections
Verify parts meet quality and dimensional requirements
Recognize improper machine functioning and report findings to CNC Machinist II, CNC Machinist III, CNC Machinist Lead, or Supervisor
Use pass down sheets and participate in face-to-face problem-solving meetings to communicate machine status, including: o Dates and times tooling was last changed o Maintenance or equipment issues o Machine performance or repeatability concerns o Status of ongoing setups or jobs in progress
Demonstrate working knowledge of shop floor systems used for production tracking, quality, and communication
Maintain a clean, organized, and safe work area
Comply with all company safety, quality, and production policies
Assist supervisors, mechanical engineers, and planners with work organization to: o Support continuous improvement initiatives o Reduce setup time, cycle time, and machine downtime
Perform other related duties as assigned to support operational needs