Senior CNC Machinist / CNC Programmer (Aerospace)

We are seeking a highly skilled CNC Machinist with exceptional programming ability to join a precision aerospace manufacturing environment. This role is ideal for a hands-on expert who thrives in complex machining, takes ownership of challenging parts, and consistently delivers high-quality results from prototype through production.

The ideal candidate is a strong CNC programmer first, with deep experience in 3-, 4-, and 5-axis machining, Mastercam programming, and interpreting complex GD&T-driven blueprints. You will play a key role in programming, setup, optimization, and continuous improvement, working closely with engineering and shop leadership to ensure efficiency, accuracy, and on-time delivery.

Key Responsibilities

Program, set up, and operate 3-, 4-, and 5-axis CNC machines for high-precision aerospace components

Develop, edit, and optimize CNC programs using Mastercam (G-code/M-code)

Interpret complex blueprints, GD&T, and engineering specifications

Design and optimize tooling, fixturing, and machining strategies for complex parts

Perform first article, in-process, and final inspections to ensure tight tolerances

Troubleshoot machining issues and refine processes to improve cycle times and quality

Support prototype-to-production transitions and continuous improvement initiatives

Collaborate with engineering, quality, and leadership to meet production and quality goals

Required Qualifications

Extensive hands-on experience as a CNC Machinist / CNC Programmer in an aerospace or high-precision environment

Strong expertise in 5-axis machining

Advanced proficiency in Mastercam (any version from V9 through current)

Solid knowledge of G-code/M-code programming

Proven ability to interpret GD&T-based blueprints

Experience machining aluminum, titanium, stainless steel, and other aerospace materials

Strong problem-solving skills with a detail-oriented mindset

Preferred Qualifications

Leadership or lead machinist experience

Background in job costing, estimating, or workflow optimization

Experience supporting complex prototypes and mission-critical components

Why This Role

Work on high-complexity, precision aerospace parts

Opportunity to make a real impact through programming expertise and process improvement

Stable, quality-driven shop that values craftsmanship and experience

Equal Opportunity Employer / Disabled / Protected Veterans

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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.

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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.