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Jonah Ellison

CNC Machinist
Dayton, United States

Professional Summary

Precision CNC Machinist with 7+ years producing tight-tolerance aerospace and industrial parts. Skilled in Mastercam, Haas/Doosan mills, GD&T, and in-process inspection. Known for first-article success and reducing scrap.

Employment History

CNC Machinist (Senior)
Precision Aero Components · Dayton, OH
Mar, 2021 · Present
Program and run 3–5 axis Haas VF mills for titanium and aluminum aero brackets (±0.0005 in) Cut scrap rate 28% by standardizing toolpaths and first-article checklists Train 4 junior machinists on setup sheets, probing, and SPC logging
CNC Machinist
Great Lakes Tooling · Miamisburg, OH
Jun, 2017 · Feb, 2021
Produced production lots on Doosan lathes and mills for automotive Tier-2 customers Held Cpk > 1.33 on critical OD/ID features across multi-shift runs Partnered with QA on corrective actions that cleared two major customer audits
Apprentice / CNC Operator
MidOhio Machine Shop · Springfield, OH
Aug, 2015 · May, 2017
Operated CNC mills from setup sheets; performed in-process micrometer and CMM checks Completed state apprenticeship coursework while hitting nightly production targets

Education

Associate of Applied Science, Precision Machining
Sinclair Community College · Dayton, OH
2015
NIMS Machining Level I

Skills

Mastercam
Haas NGC
Doosan FANUC
GD&T
CMM