Milling Machinist (Manual/CNC)

DRT Holdings, LLC•Sidney, OH
•Onsite

About The Position

DRT Aerospace is seeking an experienced Milling Machinist to set up, operate, and troubleshoot manual and CNC milling equipment in Sidney, Ohio. The role manufactures complex, close-tolerance components for aerospace and defense applications. The Machinist III serves as a technical leader on the shop floor, supporting production quality, troubleshooting, documentation, and continuous improvement. The schedule is Monday through Friday, 6:30 AM to 5:00 PM, with overtime available. Employment is contingent on verifying eligibility to access export-controlled information under applicable U.S. laws and regulations, including ITAR; candidates selected may need to provide supporting documentation.

Requirements

  • High school diploma or GED.
  • At least 3 years of experience operating manual milling machines and/or CNC milling equipment.
  • Experience performing machine setups with minimal supervision.
  • Ability to machine precision components to close tolerances.
  • Strong blueprint-reading and GD&T interpretation skills.
  • Knowledge of tooling, workholding, feeds, speeds, and machining best practices.
  • Experience using calipers, micrometers, indicators, bore gages, and other precision measuring equipment.
  • Strong mathematical, troubleshooting, and problem-solving skills.
  • Ability to work independently while maintaining quality and productivity standards.

Nice To Haves

  • Aerospace or defense manufacturing experience.
  • Experience with 3-axis, 4-axis, and 5-axis CNC milling equipment.
  • Familiarity with Fanuc, Haas, Mazak, Siemens, or Okuma controls.
  • Experience machining aluminum, stainless steel, titanium, Inconel, and other high-performance alloys.
  • CNC programming or program-editing experience.
  • Experience working within AS9100 quality systems.
  • Technical degree in Machining Technology or a related field.
  • Apprenticeship or Journeyman certification.
  • Exposure to Vertical Machining Centers (VMC), Horizontal Machining Centers (HMC), manual milling machines, Bridgeport mills, fixture design and workholding, high-speed machining, precision hole making, or aerospace component manufacturing.

Responsibilities

  • Set up and operate manual milling machines and CNC machining centers.
  • Read and interpret blueprints, engineering drawings, GD&T requirements, work instructions, and process documentation.
  • Select and install tooling, fixtures, vises, workholding devices, and machine offsets.
  • Complete machine setups and verify first-piece acceptance.
  • Monitor machining operations and adjust processes to maintain dimensional accuracy.
  • Edit CNC programs and adjust offsets as required.
  • Machine precision aerospace components to tight tolerances.
  • Perform in-process and final inspections using precision measuring equipment.
  • Troubleshoot tooling, machine, process, and quality issues.
  • Complete production, quality, and inspection documentation.
  • Support continuous improvement initiatives and root cause investigations.
  • Partner with Engineering, Quality, and Manufacturing teams to improve performance and reduce scrap.
  • Maintain a safe, clean, and organized work environment.
  • Perform other duties as assigned.

Benefits

  • Competitive pay and bonus.
  • Day 1 benefits.
  • 401(k) company match.
  • Paid time off and holidays, plus a floating holiday.
  • Career advancement opportunities.
  • Training and professional development.
  • Tuition reimbursement program.
  • Overtime available.
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