CNC Machinist II — 4/5‑Axis Aerospace Precision

ISSI Engineering and Machining; Indianapolis (IN); On-site; USD 55,000 - 75,000; Full time

Job summary

ISSI Engineering & Machining is seeking a CNC Machinist II to join our precision machining team in Indianapolis. You will work with Makino 4-axis and 5-axis centers, set up complex fixtures, and prove out CAM programs while maintaining strict GD&T standards.

The role requires 4–5 years of CNC experience, aerospace exposure is preferred, and mentoring responsibilities are part of the job. A strong focus on quality, safety, and continuous improvement is essential.

Qualifications

• 4–5 years CNC machining experience including setup and operation.
• Experience with 4-axis and 5-axis CNC machining centers.
• Ability to read and interpret complex engineering drawings and GD&T.
• Experience in aerospace, AS9100D, or similarly regulated environments preferred.
• Ability to mentor and support less-experienced machinists.
• Must provide basic personal precision inspection tools for day-to-day inspection.

Responsibilities

• Set up, prove out, and operate Makino 4-axis and 5-axis machining centers on production, expedited, and one-off work.
• Perform complex setups using precision fixtures, multiple work offsets, non-vise workholding, probing, and multi-sided machining.
• Safely prove out CAM-generated programs, verifying tooling, workholding, offsets, machine position, setup conditions, and clearances.
• Monitor and troubleshoot machining processes, including tooling, workholding, part movement, dimensional variation, surface finish, cutting conditions, setup repeatability, machine behavior, and program execution.
• Read and interpret complex engineering drawings and GD&T; perform detailed manual inspection.
• Operate established Zeiss CMM programs, interpret inspection results, and work with CMM programming and quality teams for evaluation.
• Diagnose whether machining or dimensional issues relate to setup, tooling, machine, programming, inspection, or other variables; coordinate resolution.
• Collaborate with engineering and CAM to resolve manufacturing issues and improve tooling, fixtures, programs, and processes.
• Serve as a technical resource for less-experienced machinists with hands-on guidance and documentation.

Skills

CNC machining

Setup experience

GD&T reading

Mentoring

Teamwork

Education

High school diploma or equivalent

Tools

Zeiss CMM

Makino machines

Okuma lathes

Job description

ISSI Engineering & Machining is seeking a CNC Machinist II to join our precision machining team in Indianapolis. You will work with Makino 4-axis and 5-axis centers, set up complex fixtures, and prove out CAM programs while maintaining strict GD&T standards.

The role requires 4–5 years of CNC experience, aerospace exposure is preferred, and mentoring responsibilities are part of the job. A strong focus on quality, safety, and continuous improvement is essential.