CNC Machinist

CNC Machinist

Hamilton, Ohio | Full-Time | Compensation: $28–$40/HR

POSITION SUMMARY

Mural Group is partnering with a CNC Machine shop in Hamilton, OH looking for experience CNC Machinist. The CNC Machinist owns the entire machining process, from setup and tooling selection through program editing, first-article validation, and production. This role works on complex, tight-tolerance components across aluminum, steel, titanium, and specialty alloys for aerospace, defense, and energy applications. The environment includes multi-axis milling, turning, and mill-turn equipment, requiring strong problem-solving and technical skills. This is a high-accountability role with the opportunity to take on challenging work and make a direct impact on quality and performance.

KEY RESPONSIBILITIES

Set up CNC milling centers, lathes, and multi-axis/mill-turn machines from print to first-part approval

Select and qualify tooling, workholding, and fixturing appropriate to part geometry and material requirements

Edit and optimize CNC programs at the control (G-code, conversational, or CAM post) to achieve required tolerances and surface finishes

Perform first article inspection using CMM, precision hand tools, and surface measurement equipment; document results

Run production lots, monitor in-process quality, and make offset and tooling adjustments to maintain process capability

Interpret complex engineering drawings, GD&T callouts, and customer-specific requirements

Support automation and lights-out machining cells, including robot-assisted operations

Troubleshoot machining issues including chatter, tool breakage, dimensional drift, and surface finish defects

Mentor CNC Operators and contribute to process improvement and cycle time reduction efforts

Maintain accurate production records, traveler documentation, and tool inventory

REQUIRED QUALIFICATIONS

5+ years of CNC machining experience with demonstrated setup and program editing capability

Proficiency on multi-axis CNC platforms (milling, turning, or combined mill-turn)

Strong ability to read and interpret complex engineering drawings and GD&T (ASME Y14.5)

Hands-on experience with precision metrology: CMM, surface plates, micrometers, bore gauges, and thread gauges

Solid understanding of cutting tools, toolpath strategies, speeds and feeds, and workholding for various materials

Experience machining aluminum, steel, stainless, and at least one specialty alloy (titanium, Inconel, etc.)

Ability to work independently and manage priorities across multiple jobs simultaneously

Commitment to first-time quality and zero-defect production

PREFERRED QUALIFICATIONS

Experience on 5-axis milling centers (Mazak, DMG Mori, Haas, or similar)

Mill-turn or Swiss-turn programming/operation experience

Background in aerospace (AS9100) or defense manufacturing environments

CAM programming experience (Mastercam, Fusion 360, Hypermill, etc.)

Familiarity with CMM programming (Calypso, PC-DMIS, or equivalent)

Experience supporting or working within lights-out/robotic automation cells