CNC Machinist (Mill & Lathe)

Los Angeles, CAfull timeOn Site

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senior

$56k–$125k

H1B: no

Generalmatter Senior CNC Machinist responsible for programming, setting up, and operating CNC Mills and Lathes with emphasis on live tooling and multi-axis operations. This role supports production machining and R&D for rapid iteration and process optimization.

Responsibilities

Machining & Programming
Program, set up, and operate CNC Mills and CNC Lathes, including live tooling and multi-axis operations.
Develop and optimize CNC programs (G-code and CAM-generated) for complex geometries and tight tolerances.
Execute first-article builds, prove-outs, and low-volume production runs in an R&D environment.
Troubleshoot machining issues related to tooling, fixturing, materials, and machine dynamics.
Fixture & Process Development
Design, fabricate, and iterate custom fixtures and workholding solutions.
Collaborate with Manufacturing Engineering to improve part stability, repeatability, and setup efficiency.
Lead or support cycle-time reduction initiatives through toolpath optimization, tooling selection, and process redesign.
Continuous Improvement
Identify opportunities to reduce setup time, scrap, and rework.
Contribute to standard work, setup documentation, and machining best practices.

Qualification

Strong understanding of GD&TAdvanced CAM experience (eBackground in aerospace

Required

High school diploma or equivalency certificate.
7+ years of CNC machining experience in a mill/lathe environment.
Strong expertise in live tooling programming.
Proven experience programming and running complex multi-axis parts.
Strong understanding of GD&T.

Preferred

Advanced CAM experience (e.g. Mastercam, Fusion, NX, or equivalent).
Experience supporting production ramp-ups from prototype to volume.
Background in aerospace, energy, advanced manufacturing, or precision components.
Able to read blueprints and complete basic shop math.
Able to work independently and problem-solve efficiently with minimal supervision.
Positive attitude and ability to work well on a team.
Willingness to provide constructive feedback to the engineering and production teams to improve tooling designs, processes, and parts.
Able to stay organized with strong attention to detail.

Benefits

Dental
Vision
401(k)
Equity/RSU

Company

Generalmatter

View company page

10000+ employees

Industrial

Founded 1892

Source: greenhouse

Active within the past hour

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Must-Have Skills for This Role

CNC MillsCNC Latheslive toolingmulti-axis operationsG-codeCAM

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CNC Machinist (Mill & Lathe) at Generalmatter · LumiJobs