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Wire EDM Machinist

Job in Hawthorne, Los Angeles County, California, 90250, USA
Listing for: Valar Atomics
Full Time position
Listed on 2026-01-12
Job specializations:
  • Manufacturing / Production
    Manufacturing Engineer, Manufacturing Production, Quality Engineering
Job Description & How to Apply Below

We're looking for a skilled Wire EDM Machinist to run precision parts on a Mitsubishi MV 2400S
. This role covers the full workflow from print to part: programming, setup, cut strategy selection, process optimization, and inspection. You'll work in a high-mix, low-volume environment where accuracy, surface finish, and repeatability are critical.

Key Responsibilities
  • Set up, operate, and maintain a Mitsubishi MV 2400S Wire EDM to produce high-quality, high-precision components.
  • Program and edit wire EDM jobs at the machine and/or using offline programming as applicable (cut conditions, skim strategies, and start hole planning).
  • Interpret engineering drawings, blueprints, and GD&T to ensure parts meet dimensional and geometric requirements.
  • Select and optimize wire type/diameter
    , power settings, flushing, and skim passes to hit tolerance and finish targets.
  • Plan and execute challenging cuts including tight tolerances, fine features, sharp internal corners, and fragile geometries.
  • Perform quality control inspections using micrometers, calipers, height gauges, indicators, pin gauges, optical comparator/CMM (as available).
  • Troubleshoot issues such as wire breaks, unstable cuts, taper/straightness variation, poor finish, and dimensional drift.
  • Work with engineering and production to improve fixturing, reduce cycle time, increase reliability, and prevent scrap.
  • Track consumables and maintain machine condition (filters, dielectric system, wire path components) according to preventative maintenance schedules.
  • Maintain a clean, safe work environment and follow all safety and operational standards.
  • Support documentation of setups and repeat jobs (fixtures, notes, inspection plans) to improve repeatability.
Qualifications
  • Proven experience as a Wire EDM Machinist
    , including setup and operation on Mitsubishi or similar machines.
  • Strong ability to read and interpret prints,
    GD &T, and technical specifications.
  • Solid understanding of EDM fundamentals: burn conditions, skims, flushing, wire selection, work holding, and material behavior.
  • Comfortable troubleshooting process issues and making adjustments to consistently hit tolerance and finish.
  • Skilled with precision measuring tools and inspection best practices.
  • High attention to detail and commitment to producing accurate, high-quality parts.
  • Ability to work independently and collaborate with a team in a fast-paced shop environment.
  • High-mix, low-volume experience is a plus.
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