CNC MACHINIST I (B Shift)

LISI Aerospace•Garden Grove, CA

7d•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: Dates and times tooling was last changed, Maintenance or equipment issues, Machine performance or repeatability concerns, 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: Support continuous improvement initiatives, Reduce setup time, cycle time, and machine downtime
Perform other related duties as assigned to support operational needs
Works independently on assigned machines while strictly following established procedures
Prioritizes safety, quality, and accuracy over speed
Maintains awareness of machine condition and production status
Communicates clearly and consistently through pass downs and direct discussion
Accepts coaching and applies feedback to improve performance
Escalates issues promptly rather than attempting unauthorized fixes
Follows all safety rules, job safety analyses, and PPE requirements without exception
Produces parts that meet quality, customer, and regulatory requirements
Stops work and escalates concerns when safety or quality risks are identified
Takes ownership of assigned machines and tasks
Arrives on time, prepared, and ready to work
Completes documentation accurately and consistently
Communicates machine status clearly during pass downs and meetings
Works respectfully and cooperatively with teammates and leads
Responds professionally to feedback and direction
Follows documented processes, programs, and work instructions
Authorized to perform routine machine operation and basic tooling changes
Escalates setup, programming, tooling, or quality issues beyond routine operation to CNC Machinist II, CNC Machinist III, CNC Machinist Lead, or supervision
Participate in the development and promotion of the HSE culture
Be exemplary in terms of health, safety and the environment, in particular by : Respecting and ensuring respect for the instructions and rules established in the field of health, safety and the environment (in particular the LISI golden rules), Immediately correcting, whenever possible, or reporting to his or her superiors and/or the HSE department, any malfunction or risky situation in the fields of health, safety and environmental protection, Implementing preventive actions to reduce the environmental footprint and control health and safety risks
Participate, upon request, in analyses (of risks, incidents) and HSE working groups related to his/her professional scope
Be familiar with the main health and safety risks and the main environmental impacts relating to the scope of his/her work
Be familiar with the site's HSE policy and objectives
To be able to make proposals for improving working conditions and limiting environmental impact