CNC MACHINIST II (B Shift)

Lisi Medical Jedopa Inc; Garden Grove (CA); On-site; USD 30,000 - 47,000; Full time

Job summary

Lisi Medical Jedopa Inc in California is seeking an experienced CNC Machinist II to operate and set up mid-level CNC machines, ensure precision, and maintain safe production.

The role requires independent tooling changes, interpretation of blueprints and GD&T, and training newer machinists while upholding 5S and quality standards. Join a manufacturing team focused on reliability and continuous improvement, with opportunities to advance.

Qualifications

• 3–4 years of CNC machining experience in a manufacturing environment.
• Ability to perform basic CNC machine setups independently.
• Ability to read and interpret blueprints and basic GD&T.
• Experience training or supporting less-experienced machinists.

Responsibilities

• Operate CNC machines per programs and safety procedures.
• Perform basic setups, tooling changes, offsets, and fixture adjustments.
• Select proper materials and tooling per work instructions.
• Change tooling independently without supervision.
• Adjust tooling and offsets to ensure dimensional accuracy.
• Troubleshoot routine machine and tooling issues.
• Document machine status and participate in problem-solving meetings.
• Support continuous improvement and waste reduction initiatives.
• Train and assist new hires on machine operation.

Skills

CNC machining

Blueprint reading

GD&T knowledge

Tooling changes

Tools

Precision measuring equipment

Job description

CNC MACHINIST II

Position Summary

The CNC Machinist II is an intermediate-level machinist responsible for independently operating CNC machines, performing basic setups, adjusting and changing all tooling without supervision, troubleshooting routine machine and process issues, and supporting the training of new hires.

This role requires strong technical judgment, ownership of assigned equipment, and proactive communication to ensure safe, efficient, and high-quality production.

Essential Duties & Responsibilities

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

• Operate CNC machines in accordance with established programs, work instructions, and safety procedures
• Perform basic CNC machine setups, including tooling changes, offsets, and fixture adjustments
• Select proper material, tool holders, and tooling for assigned jobs in accordance with work instructions and engineering requirements
• Change all tooling independently and without supervision
• Adjust tooling and offsets to maintain dimensional accuracy and part quality
• Troubleshoot routine machine, tooling, and dimensional issues on assigned equipment
• Recognize improper machine functioning and take appropriate corrective action within scope; escalates complex issues to CNC Machinist III, CNC Machinist Lead, or Supervisor
• Use pass down sheets when face to face shift changeover is not feasible. Participate in face-to-face problem-solving meetings to communicate machine status, including:
  • Tooling changes and tool life concerns
  • Maintenance or equipment issues
  • Machine performance or repeatability trends
  • Status of ongoing setups or jobs in progress
• Demonstrate working knowledge of shop floor systems used for production tracking, quality documentation, and communication
• Assist supervisors, mechanical engineers, and planners with work organization to:
  • Support continuous improvement initiatives
  • Reduce setup time, cycle time, and machine downtime
• Implement and suggest waste elimination initiatives within the department, including recycling opportunities and reduction of production-related waste
• Train and support new hires on machine operation, tooling changes, inspection methods, and shop procedures
• Maintain a clean, organized, and safe work area in accordance with 5S standards
• Comply with all company safety, quality, and production policies
• Perform other related duties as assigned to support operational needs

Ways of Working, Experience, and Behaviors

Ways of Working

To perform the job successfully, an individual should demonstrate the following competencies:

• Works independently and takes ownership of assigned machines and setups
• Applies technical judgment to tooling selection and adjustments
• Proactively identifies opportunities to improve efficiency, quality, and tooling life
• Communicates clearly through pass downs and direct discussions
• Balances productivity with quality and safety expectations
• Escalates issues appropriately rather than attempting fixes beyond scope

Experience

• 3–4 years of CNC machining experience in a manufacturing environment
• Experience performing basic CNC setups independently
• Proven ability to select tooling and change all tooling without supervision
• Experience troubleshooting routine machining and tooling issues
• Experience using precision measuring equipment
• Ability to read and interpret blueprints and basic GD&T
• Experience supporting or training less-experienced machinists

Expected Behaviors

• Follows all safety rules, job safety analyses, and PPE requirements
• Produces parts that meet all quality, customer, and regulatory requirements
• Stops work and escalates concerns when safety or quality risks are identified
• Takes responsibility for machine performance and part quality
• Completes inspections and documentation accurately
• Demonstrates consistent attendance and reliability
• Communicates machine status clearly during pass downs and meetings
• Works collaboratively with supervisors, engineers, and planners
• Supports teamwork and continuous improvement efforts

Decision-Making Authority

• Authorized to perform routine setups, tooling changes, and offset adjustments
• Makes independent decisions within assigned scope to maintain quality and efficiency
• Escalates complex setup, programming, tooling, or quality issues to CNC Machinist III, CNC Machinist Lead, or Supervisor

Minimum Qualifications

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

• 3–4 years of CNC machining experience or equivalent combination of training and experience
• Ability to perform basic CNC machine setups independently
• Ability to select tooling and change all tooling without supervision
• Ability to troubleshoot routine machining and process issues
• Ability to read and interpret blueprints and basic GD&T
• Strong communication skills for pass downs and problem-solving

Physical Demands

• Ability to stand and walk for entire shift
• Ability to lift, carry, and move up to 30 pounds
• Frequent repetitive hand and wrist motions
• Ability to open and close machine doors repeatedly
• Ability to load parts into chucks or fixtures
• Ability to bend, reach, push, pull, and grasp as required
• Visual acuity sufficient to read measuring instruments, machine displays, and blueprints

Work Environment

• Manufacturing machine shop environment
• Exposure to machine noise, metal chips, coolants, oils, fumes, and mists
• Exposure to temperature variations
• Required PPE includes safety glasses, steel-toe footwear, and hearing protection

Safety and Environmental

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