Senior CNC Programmer
Company: Column Technical Services
Location: Alsip
Posted on: April 1, 2026
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Job Description:
Column Technical Services is seeking an experienced Senior CNC
Programmer / Master Machinist who can work both independently and
collaboratively to machine complex geometries on 5-axis mills and
multi?axis lathes. The ideal candidate will have a strong,
well?rounded machining background, preferably with experience in
the aerospace or turbine industries. Candidates should be highly
skilled in advanced CNC machining processes and familiar with
modern CAD/CAM systems. We are looking for someone who is
passionate about machining, enthusiastic about new technologies,
and motivated to continue developing their technical skill set.
This role will focus on the most challenging work in the shop and
includes mentoring the next generation of skilled machinists. If
this sounds like the right fit for your skills and passion, we
encourage you to apply and start a conversation with us. Please
note: This is a hands-on role involving work from programming to
machining through final component completion. It is not a desk?only
CAD/CAM position and not a management role. Key Responsibilities
Program and machine complex components. Use SolidWorks or Siemens
NX proficiently to design and model parts. Program using CAM
software (NX Siemens, Esprit, or CAMWorks preferred); support
post-processor development and optimization. Utilize handheld
measuring tools as well as Mitutoyo CMM and/or FaroArm systems.
Select appropriate tooling, feeds/speeds, probing routines, and
work?holding strategies. Support first?article success on
tight?tolerance, high?value components. Troubleshoot machining
issues in real time, including chatter, distortion, thermal growth,
and alignment challenges. Contribute to prototype, R&D, and
low?volume production machining efforts. Collaborate with
Engineering and Quality teams during early-stage part development.
Develop setup sheets, tool lists, and documented, proven machining
processes. Minimum Qualifications Minimum of 5 years of CAD and CAM
programming experience of multi?axis lathes and mills. Comfortable
working full?time both on and off the shop floor, including
handling small and large parts safely; must be able to stand, sit,
lift, and squat regularly. Proven experience programming
tight?tolerance components made from difficulty-machine alloys.
Strong blueprint reading skills with solid GD&T proficiency.
Machining: Stainless Steel grades, Super Duplex, and Super Alloys
Experience with Fanuc, Okuma, and Siemens controls Experience with
fixture design and work?holding solutions. Excellent communication,
coordination, and organizational skills. Ability to lift 50 lbs;
experience using cranes, rigging equipment, and forklifts.
Preferred Qualifications Completion of a technical school program
or equivalent hands?on experience in a similar work environment
Background in prototype or short?run machining Working knowledge of
CMM inspection processes Fluency in English
Keywords: Column Technical Services, Bolingbrook , Senior CNC Programmer, Engineering , Alsip, Illinois
