CNC Machinist

Aerotek; Covina (CA); On-site; USD 73,000 - 156,000; Full time

Benefits offered by this job

Weekly pay

Medical benefits

Job summary

Aerotek is seeking an experienced CNC Machinist for setup and operation of 3-, 4-, and 5-axis CNC mills in Covina, CA. Lathe experience is a plus; Mastercam knowledge is a bonus. No programming required, but CNC programming exposure is welcome.

The role emphasizes tight-tolerance parts, first article and in-process inspections, and thorough documentation. Expect a production-focused environment with potential overtime and on-site work.

Qualifications

• 3+ years CNC setup and operating experience.
• Experience with 3-axis, 4-axis, or 5-axis CNC mills.
• CNC lathe experience is a plus.
• Ability to perform complete machine setups independently.
• Experience changing tooling, adjusting offsets, and troubleshooting machining issues.
• Strong blueprint reading skills.
• Working knowledge of GD&T and tight-tolerance machining.
• Experience using calipers, micrometers, bore gauges, height gauges, and other precision inspection equipment.
• Strong understanding of tooling, feeds, speeds, and machining processes.
• Good math and problem-solving skills.
• Reliable attendance and dependable transportation.

Responsibilities

• Set up and operate 3-axis, 4-axis, and 5-axis CNC mills.
• Perform machine setups, tool changes, work offsets, and wear offset adjustments.
• Load and run existing CNC programs.
• Monitor machine performance and make necessary adjustments to maintain quality and efficiency.
• Read and interpret blueprints, engineering drawings, and GD&T requirements.
• Verify dimensions and quality using precision measuring instruments.
• Perform first article, in-process, and final inspections.
• Troubleshoot machining and tooling issues as they arise.
• Maintain tooling, fixtures, and workholding equipment.
• Perform deburring, grinding, tapping, cutting stock, and other secondary operations as needed.
• Maintain a clean, organized, and safe work area.

Skills

CNC setup

CNC milling

Blueprint reading

GD&T

Troubleshooting

Measurement tools

Education

Technical school

Apprenticeship

Machining training

Tools

Haas machines

Mazak

Okuma

Fanuc controls

Mastercam

Job description

CNC Machinist - 3, 4 & 5 Axis Setup/Operator

$30-$45/hr DOE

Schedule

1st and/or 2nd shift available

4/10 Schedule (Monday-Thursday)

Heavy overtime available

Mandatory Fridays, Saturdays optional

Job Overview

We are seeking an experienced CNC Machinist / Setup Operator with hands-on experience operating and setting up 3-axis, 4-axis, and 5-axis CNC mills . Candidates with CNC lathe experience are highly encouraged to apply. This is a production-focused machining role where the primary responsibilities include machine setup, tool changes, offset adjustments, troubleshooting, blueprint reading, and inspection of precision-machined components. Programming is not required , but candidates with Mastercam or CNC programming experience will be considered a plus. The ideal candidate will have experience machining tight-tolerance parts and be comfortable taking a job from setup through final inspection.

Responsibilities

• Set up and operate 3-axis, 4-axis, and 5-axis CNC mills.
• Perform machine setups, tool changes, work offsets, and wear offset adjustments.
• Load and run existing CNC programs.
• Monitor machine performance and make necessary adjustments to maintain quality and efficiency.
• Read and interpret blueprints, engineering drawings, and GD&T requirements.
• Verify dimensions and quality using precision measuring instruments.
• Perform first article, in-process, and final inspections.
• Troubleshoot machining and tooling issues as they arise.
• Maintain tooling, fixtures, and workholding equipment.
• Perform deburring, grinding, tapping, cutting stock, and other secondary operations as needed.
• Maintain a clean, organized, and safe work area.

Qualifications

• 3+ years of CNC setup and operating experience.
• Experience with 3-axis, 4-axis, or 5-axis CNC mills .
• CNC lathe experience is a plus.
• Ability to perform complete machine setups independently.
• Experience changing tooling, adjusting offsets, and troubleshooting machining issues.
• Strong blueprint reading skills.
• Working knowledge of GD&T and tight-tolerance machining.
• Experience using calipers, micrometers, bore gauges, height gauges, and other precision inspection equipment.
• Strong understanding of tooling, feeds, speeds, and machining processes.
• Good math and problem-solving skills.
• Reliable attendance and dependable transportation.

Preferred Qualifications

• Aerospace, medical device, defense, or precision manufacturing experience.
• Experience with Haas, Mazak, Mori Seiki, Okuma, DMG Mori, Makino, or similar CNC equipment.
• Knowledge of Mastercam or CNC programming (not required).
• Technical school, apprenticeship program, or equivalent machining training.
• Experience machining complex parts with tight tolerances.

Why Work Here?

You will join a reputable manufacturing organization that values precision, safety, and continuous improvement. The company offers medical and vision benefits through a major carrier, along with the stability and credibility that come from a strong reputation in the industry. You can expect a professional environment where quality workmanship is recognized and where adherence to best practices and standards supports your long-term growth and development.

Work Environment

This position is based in a manufacturing environment that focuses on precision machining and quality production. You will work with CNC mills and lathes, primarily Haas machines with Fanuc controls, handling 35 axis operations and producing components that may include aerospace parts. The facility follows established procedures, safety guidelines, and ISO standards, emphasizing a structured and process-driven workplace. The role involves standing at machines, handling tools and materials, and working around typical shop equipment and noise levels associated with machining operations.

Job Type & Location

This is a Permanent position based out of Covina, CA.

Pay and Benefits

The pay range for this position is $35.00 - $75.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Eligibility requirements apply to some benefits and may depend on your jobclassification and length of employment. Benefits are subject to change and may besubject to specific elections, plan, or program terms. If eligible, the benefitsavailable for this temporary role may include the following:

Medical, dental & visionCritical Illness, Accident, and Hospital401(k) Retirement Plan Pre-tax and Roth post-tax contributions availableLife Insurance (Voluntary Life & AD&D for the employee and dependents)Short and long-term disabilityHealth Spending Account (HSA)Transportation benefitsEmployee Assistance ProgramTime Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a fully onsite position in Covina,CA.

Application Deadline

This position is anticipated to close on Oct 13, 2026.

About Aerotek

Aerotek® Inc. provides staffing and services solutions in manufacturing, logistics, construction, aviation, facilities and maintenance. We provide the expertise, solutions and people required to rise to the challenges of North American industry. Headquartered in Hanover, Md., Aerotek operates a unified network of over 200 offices across North America, supporting more than 18,000 clients each year. Aerotek is an Allegis Group company, the global leader in workforce and business solutions. To learn more, visit: Aerotek.com | 1-888-AEROTEK.

Aerotek offers weekly pay, employee benefits including medical, dental & vision, life insurance, health advocacy and employee assistance programs, a 401(k) plan, and employee discounts.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance

Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI)

We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.