Senior CNC Machinist & Programmer — Precision Expert

Column Technical Services; Alsip (IL); On-site; USD 70,000 - 110,000; Full time

Job summary

Column Technical Services in Alsip, IL is seeking a Senior CNC Machinist/Programmer to join our precision manufacturing team. You will independently program, setup, and run complex CNC mills and lathes, interpret drawings, and ensure first-pass quality on high-precision components.

This on-site, first-shift role offers stability in a well-established shop serving power generation and industrial OEM markets, with opportunities to mentor junior machinists and optimize processes. OT available.

Qualifications

• 7-10+ years of CNC machining experience in precision manufacturing or industrial environments.
• Proven ability to independently program, setup, and machine from engineering drawings.
• Strong knowledge of CNC programming, machining processes, G-code, and M-code.
• Advanced understanding of GD&T, tolerancing, and precision measurement techniques.

Responsibilities

• Program, set up, operate, and troubleshoot CNC mills and lathes independently.
• Create, modify, and optimize CNC programs using G-code and M-code.
• Interpret drawings, GD&T requirements, and machining specs.
• Perform advanced setups, tooling selection, fixture development, and work holding adjustments.
• Manufacture components to exact customer and engineering specs.
• Mentor and support less experienced machinists.

Skills

G-code programming

Multi-axis machining

Setup and troubleshooting

GD&T interpretation

Education

High school diploma or GED

Tools

Mastercam

Fanuc controls

Job description

Column Technical Services in Alsip, IL is seeking a Senior CNC Machinist/Programmer to join our precision manufacturing team. You will independently program, setup, and run complex CNC mills and lathes, interpret drawings, and ensure first-pass quality on high-precision components.

This on-site, first-shift role offers stability in a well-established shop serving power generation and industrial OEM markets, with opportunities to mentor junior machinists and optimize processes. OT available.