CNC Mastercam Programmer

AppleOne; Santa Clarita (CA); On-site; USD 48,000 - 69,000; Full time

Job summary

AppleOne Employment Services is seeking an experienced CNC Mastercam Programmer for a direct-hire opportunity in Valencia, CA, supporting aerospace and defense manufacturing. This hands-on role owns the full machining process from blueprint review and Mastercam programming through setup, machining, troubleshooting, and final inspection in a precision shop.

You will work with HAAS mills and lathes, optimize tooling and feeds/speeds, and ensure parts meet tight aerospace tolerances with strong

Qualifications

• Develop Mastercam programs for CNC machining operations.
• Set up and operate HAAS CNC mills and/or lathes.
• Machine parts to tight aerospace tolerances from blueprints/drawings.
• Perform in-process and final inspections with precision measuring tools.

Responsibilities

• Create, edit, verify, and optimize CNC programs using Mastercam for aerospace components.
• Set up, load tooling, and run HAAS mills/lathes per blueprints and specs.
• Determine feeds, speeds, and machining sequences for efficiency and quality.
• Review and adjust G-code and M-code to improve accuracy and production time.
• Inspect finished parts with micrometers, calipers, bore gauges, and other tools.
• Troubleshoot programming, tooling, setup, and machining issues per safety/quality procedures.

Skills

Mastercam programming

HAAS setup & operation

Blueprint interpretation

G-code & M-code proficiency

Attention to detail

Education

High school diploma or equivalent

Tools

Mastercam

HAAS machines

Job description

Job Summary

We are seeking an experienced CNC Mastercam Programmer for a direct hire opportunity in Valencia, CA supporting aerospace and defense manufacturing. This hands-on role is ideal for a skilled CNC programmer and machinist who enjoys owning the full machining process, from blueprint review and Mastercam programming through setup, machining, troubleshooting, and final inspection. This position offers the opportunity to work in a precision-focused manufacturing environment where quality, safety, and technical craftsmanship are highly valued. Candidates who thrive in a team-oriented shop setting with supportive leadership, strong quality standards, and opportunities to contribute to critical aerospace component work will be a strong fit.

Key Responsibilities

• Create, edit, verify, and optimize CNC programs using Mastercam for precision aerospace components.
• Set up and operate HAAS CNC mills and lathes according to blueprints, drawings, and job specifications.
• Select tooling, establish feeds and speeds, and determine efficient machining sequences.
• Review and adjust G-code and M-code programs to improve accuracy, quality, and production efficiency.
• Inspect finished components using micrometers, calipers, bore gauges, and other precision measuring tools.
• Troubleshoot programming, tooling, setup, and machining issues while following safety and quality procedures.

Compensation and Benefits

• Direct hire opportunity.
• Location: Valencia, CA.
• Pay range: $35.00 to $50.00 per hour.

Required Qualifications and Skills

• Develop Mastercam programs for CNC machining operations.
• Set up and operate HAAS CNC mills and/or lathes.
• Machine parts to tight aerospace tolerances from blueprints and technical drawings.
• Perform in-process and final inspections using precision measuring equipment.
• 6 or more years of CNC machining experience, including hands-on CNC programming.
• Proficiency with Mastercam programming is required.
• Strong experience setting up and operating HAAS CNC mills and/or lathes.
• Working knowledge of G-code, M-code, tooling selection, feeds, speeds, and machining processes.
• Ability to read and interpret blueprints, technical drawings, and machining requirements.
• Familiarity with aerospace materials and tight-tolerance machining.
• Strong mechanical aptitude, attention to detail, and problem-solving ability.
• High school diploma or equivalent required.
• Ability to understand work instructions and communicate effectively in English.
• Ability to stand for extended periods and perform hands-on machine shop work.
• Ability to regularly lift up to 25 pounds, frequently move up to 50 pounds, and move heavier items with assistance.
• Availability for occasional mandatory overtime, potentially with limited notice.
• Ability to meet preemployment and random DOT drug and alcohol testing requirements for this maintenance-related position.

Preferred Qualifications

• Experience in FAA-regulated maintenance, repair, or aerospace component environments.
• Experience working with both HAAS mills and HAAS lathes.
• Background machining, repairing, or protecting customer-supplied aerospace components.
• Experience maintaining accurate production records and performing routine CNC machine maintenance.

Equal Opportunity Employer / Disabled / Protected Veterans

The Know Your Rights poster is available here: https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12.pdf

The pay transparency policy is available here: https://www.dol.gov/sites/dolgov/files/ofccp/pdf/pay-transp_%20English_formattedESQA508c.pdf

For temporary assignments lasting 13 weeks or longer, AppleOne is pleased to offer major medical, dental, vision, 401k and any statutory sick pay where required.

We are committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation for any part of the employment process, please contact your staffing representative who will reach out to our HR team.

AppleOne participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program.

https://e-verify.uscis.gov/web/media/resourcesContents/E-Verify_Participation_Poster_ES.pdf

We also consider for employment qualified applicants regardless of criminal histories, consistent with legal requirements, including, if applicable, the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance. Pursuant to applicable state and municipal Fair Chance Laws and Ordinances, we will consider for employment-qualified applicants with arrest and conviction records, including, if applicable, the San Francisco Fair Chance Ordinance. For Los Angeles, CA applicants: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.