Advanced CNC Machinist - Precision Setup & SPC

Lisi; California (MO); On-site; USD 50,000 - 70,000; Full time

Job summary

LISI Aerospace in City of Industry, CA is seeking a CNC Machinist I to operate single/multi spindle screw machines and perform basic setups, tool changes, and in-process inspection.

You will train teammates, shadow onboarding, read blueprints, and ensure parts meet tolerances using calipers and micrometers. Adherence to HSE procedures and 5S is essential.

Qualifications

• High school diploma or GED.
• At least 3 years of related experience or training.
• Experience with CNC machining, tool changes, and reading blueprints.

Responsibilities

• Operate CNC machines to produce parts at required levels.
• Perform basic setups and tool changes; adjust tooling as needed.
• Measure finished parts with precision instruments to ensure conformity to specifications.
• Train employees in machine operation and onboarding processes.
• Follow 5S and safety procedures and maintain housekeeping.

Skills

CNC Machining

Machine Setup

Blueprint Reading

Quality Inspection

Troubleshooting

Education

High School Diploma or GED

Tools

Calipers

Micrometers

Precision measuring equipment

Job description

16728 Gale Ave, City of Industry, CA 91745, USA

Job Description

Posted Thursday, August 13, 2026 at 8:00 AM

PRIMARY SUMMARY:

Performs basic set ups and operate machines with computer controls that use single or multiple spindle lathe type screw machines equipped with automatic indexing and feeding mechanisms to machine metal bar stock.

ESSENTIAL DUTIES AND RESPONSIBILITIES:

• Operates machines to produce production at expected levels.
• Able to perform basic troubleshooting to resolve issues including burrs, steps, finish, etc.
• Able to perform basic setups and perform tool changes and adjust tool life parameters on minimum (3) different machines.
• Adjust machine feed and speed, or adjust machine controls when automatic programming is faulty or if machines malfunction.
• Measure dimensions of finished work pieces to ensure conformance to specifications, using precision measuring instruments, templates, and fixtures.
• Remove and replace dull cutting tools.
• Able to train employees with machine operation, CNC Machinist I and below, techniques and quality productivity as required.
• Shadow and assist onboarding team members.
• Mount, install, align and secure tools, attachments, fixtures, and work pieces on machines, using hand tools and precision measuring instruments.
• Listen to machines during operation in order to detect sounds such as those made by dull cutting tools or excessive vibration and adjust machines to compensate for problems.
• Stop machines to remove finished work pieces, or to change tooling, setup or work piece placement, according to required machining sequences.
• Reads blueprint or job order for product specification such as dimensions, tolerance, number or parts to be formed and tooling instruction on type tooling required.
• Performs record keeping, data entry, housekeeping, and follows safety regulations.
• Utilizes calipers, micrometers, and gauging tools to perform inspection to ensure conformance, dimension, and tolerance levels are within specifications.
• Performs Statistical Process Control (SPC) and verifies part samples to blueprint specification. Makes adjustments to the process as required.
• Able to recognize cosmetic non-conformances based on Company specifications such as burrs, galling, cracked edges, slug marks, dimensional changes in production parts and initiate action to prevent non-conformance such as stopping the machine and/or repairing the tool and notifying Supervisor.
• Follow all 5S department procedures which include but are not limited to; keeping floors clean of oil and debris, returning tools to proper locations, organize part pans, and performs other housekeeping duties.
• Attends all required job related training (internal and external).
• All employees are responsible for complying with the rules and regulations set forth by Federal, Local, and State government, LISI Aerospace, and HSE Procedures.
• All employees are responsible for attending all training provided and for adhering to all HSE procedures, policies, and plans, conforming to reporting requirements, and safe operating procedures at all times.
• All employees are required to bring any known or suspected nonconformance for all company procedures or legal requirements to management’s attention immediately.
• Continually seek opportunities to improve our HSE performance by establishing objectives and targets, measuring progress, and reporting our results.
• Suggest waste elimination initiatives specifically related to the function and department such as recycling opportunities and elimination of paper waste.
• Other duties may be assigned.

WAYS OF WORKING, EXPERIENCE, AND BEHAVIORS

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

• Analytical – Collects and researches data; Uses intuition and experience to complement data.
• Technical Skills – Understands and has working knowledge of CNC process, procedures and function; Able to clearly share expertise and transfer technical knowledge to others.
• Oral Communication – Speaks clearly and persuasively in positive or negative situations; listens intently to others and seeks clarification; Provides clear and pleasant responses to inquiries regardless of the situation.
• Written Communication – Writes technical documents clearly and accurately; Transfers technical data into meaningful written documents that can be understood by all levels of the organization.
• Team Work – Balances team and individual responsibilities; Exhibits objectivity and openness to others' views; Gives and welcomes feedback; Contributes to building a positive team spirit; Puts success of team above own interests.
• Business Acumen – Understands business implications of decisions; Aligns work with strategic goals.
• Cost Consciousness – Works within the direction of the department’s resources; Contributes to profits and revenue; Conserves organizational resources.
• Adaptability – Adapts to changes in the work environment; Manages competing demands; Changes approach or method to best fit the situation; Able to deal with frequent change, delays, or unexpected events.
• Planning/Organizing – Prioritizes and plans work activities; Uses time efficiently; Plans for additional resources; Sets goals and objectives; Develops realistic action plans.
• Professionalism – Approaches others in a tactful manner; Reacts well under pressure; Treats others with respect and consideration regardless of their status or position; Accepts responsibility for own actions; Follows through on commitments.

Supervisory Responsibilities:

This position has no supervisory responsibility.

ESSENTIAL JOB REQUIREMENTS

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.

Education and/or Experience

• High school diploma or general education degree (GED).
• 3 years’ minimum related experience and/or training; or equivalent combination of education and experience.

SKILLS AND ABILITIES

Computer Skills

To perform this job successfully, an individual should have knowledge of basic computer mainframe systems, data entry, and be familiar with Spreadsheet and Word Processing software.

Language Skills

Ability to read and comprehend simple instructions, short correspondence, and memos. Ability to write simple correspondence. Ability to read and interpret documents such as safety rules, operating and maintenance instructions, and procedure manuals. Ability to effectively present information in one-on-one and small group situations to customers, clients, and other employees of the organization.

Mathematical Skills

Ability to calculate figures and apply concepts of basic algebra and basic geometry.

Reasoning Ability

Ability to apply common sense understanding to carry out detailed but uninvolved written or oral instructions. Ability to deal with problems involving a few concrete variables in standardized situations.

Certificates, licenses, registrations

Evidence of “US person” is required under ITAR.

Physical Demands

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this Job, the employee is frequently required to talk or hear. The employee is occasionally required to stand; sit; use hands to finger, handle, or feel. The employee must occasionally lift and/or move up to 30 Pounds. Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and ability to adjust focus.

ENVIRONMENT, HEALTH AND SAFETY

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job, the employee is frequently exposed to toxic or caustic chemicals. The employee is occasionally exposed to moving mechanical parts and fumes or airborne particles. The noise level in the work environment is usually loud.

The responsibilities of the position include compliance with company and governmental safety, environmental and hazardous materials regulations and procedures. The employee will be required to wear Personal Protective Equipment in specified areas.

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

16728 Gale Ave, City of Industry, CA 91745, USA