Trade licensing overview · machinist
How machinist licensing works — Iowa
How this trade is regulated in Iowa. none-in-pilot-states The framework below describes the national pathway most machinists in Iowa follow.
Machinists are not state-licensed in the United States. Competency is demonstrated through NIMS (National Institute for Metalworking Skills) credentials, employer-administered machining and inspection tests, or completion of a DOL-registered Machinist apprenticeship.
Machinist wages in Iowa · BLS OES A01 2024
Wages are state-level annual figures from the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics program (A01 2024). Specific machinist earnings in Iowa vary by metro area, employer type, union membership, and years of experience. Verify the current state and metro figures on the BLS OES site (bls.gov/oes).
What this trade actually looks like in Iowa
Iowa machining is built on John Deere, Vermeer, and ag-equipment manufacturing, food-equipment shops tied to processing facilities, and a broad base of small Tier-2 supplier shops across the state. Aerospace and medical-device specialty depth is limited; most journey-level work is ag, off-highway, and food equipment rather than aerospace tolerance.
Where they work
The Cedar Valley (Waterloo, Cedar Falls) anchors John Deere production and supplier machining. The Quad Cities (Davenport, Bettendorf) hold John Deere headquarters operations and Rock Island Arsenal supplier work. Pella anchors Vermeer Manufacturing and Pella Windows machining. Dubuque holds John Deere construction-equipment work. Cedar Rapids has Collins Aerospace (avionics) machining. Des Moines and Ankeny hold general supplier shops and Deere operations.
Pay context
BLS OES reports an Iowa median of $53,400 for machinists, near the middle of Midwest peers. Cost of living statewide is well below national averages. John Deere and Vermeer union-represented seats typically anchor the upper end of the range; small ag-equipment shops sit in the middle of the band.
Training pathway
Hawkeye Community College (Waterloo), Kirkwood (Cedar Rapids), Eastern Iowa Community Colleges (Quad Cities), Des Moines Area Community College, and Iowa Western (Council Bluffs) all run NIMS-aligned machining programs. Iowa's Apprenticeship Iowa registers machinist programs through individual employers including John Deere. IAM and UAW represent some Deere and supplier seats.
Considerations
If you want ag-equipment or off-highway machining with a clear training pathway and Midwest cost of living, Iowa is a steady choice. If you want aerospace specialty work, Cedar Rapids (Collins) is the main option; otherwise the state is thin. John Deere contract cycles drive much of the Tier-2 supplier base; verify backlog visibility at the supplier level before accepting an offer.
Iowa machinist snapshot
| MSA | Employed | Median wage |
|---|---|---|
| Davenport-Moline-Rock Island, IA-IL | 580 | $60,530 |
| Omaha, NE-IA | 290 | $52,120 |
| Cedar Rapids, IA | 250 | $53,580 |
| Des Moines-West Des Moines, IA | 240 | $56,070 |
| Waterloo-Cedar Falls, IA | 200 | $56,500 |
STATE LICENSE STATUS
No pilot state (TX, CA, FL, NY, IL) issues a person-level machinist license. The U.S. Bureau of Labor Statistics classifies machinists under SOC 51-4041 and lists typical entry through long-term on-the-job training, apprenticeship, or community-college machine-tool programs (https://www.bls.gov/ooh/production/machinists-and-tool-and-die-makers.htm). Because there is no statutory license, hiring shops typically verify skill through a bench test, print-reading and GD&T questions, and (increasingly) NIMS credential records (https://www.nims-skills.org). ITAR-regulated aerospace and defense shops add employer-specific background and citizenship checks per 22 CFR 120-130; those are job requirements, not state licenses.
NIMS CREDENTIALS
NIMS (National Institute for Metalworking Skills) issues 52 stackable, ANSI-accredited credentials covering Machining Level I, II, and III; CNC Milling and CNC Turning Operator and Programmer; Tool & Die; Mold Making; Stamping; Grinding; and Industrial Technology Maintenance (https://www.nims-skills.org/credentialing). Each credential requires an online theory exam plus a performance/part-inspection component verified by a NIMS-credentialed evaluator (https://www.nims-skills.org). Machining Level I is the recognized entry credential and is used by many registered apprenticeships as a first-year benchmark. NIMS credentials are accepted as Related Technical Instruction (RTI) evidence by many DOL-registered Machinist programs (https://www.apprenticeship.gov). The International Machine Tool Manufacturers Association (IMTMA, https://www.imtma.org) and the National Tooling and Machining Association (NTMA, https://www.ntma.org) both reference NIMS as the industry-standard skills benchmark.
CNC PROGRAMMING
CNC (computer numerical control) programming is the core skill for production machining. G-code and M-code fundamentals (ISO 6983 / EIA RS-274) are the baseline language read by Fanuc, Siemens, Haas, and Mazak controls (https://www.iso.org/standard/34608.html). Most production programs are generated in CAM software: Mastercam (https://www.mastercam.com), Autodesk Fusion 360 (https://www.autodesk.com/products/fusion-360), and SolidWorks CAM (https://www.solidworks.com) are the most commonly listed in BLS machinist job postings (https://www.bls.gov/ooh/production/machinists-and-tool-and-die-makers.htm). 5-axis simultaneous programming is typical in aerospace structural and impeller work and is covered by NIMS CNC Milling Programmer Level III (https://www.nims-skills.org/credentialing). NIMS also offers a stand-alone Job Planning, Benchwork, and Layout credential that is a prerequisite for Machining Levels II and III.
APPRENTICESHIP PATHWAY
The U.S. Department of Labor registers Machinist apprenticeships under RAPIDS occupation code 0296 with a typical term of 8,000 on-the-job-training hours plus 576 hours of Related Technical Instruction; Tool and Die Maker (RAPIDS 0295) typically requires 10,000 OJT hours (https://www.apprenticeship.gov/apprenticeship-job-finder). Community-college Associate of Applied Science (AAS) degrees in Machine Tool Technology are a common parallel or substitute pathway and frequently articulate into NIMS credentials. The International Association of Machinists and Aerospace Workers (IAM, https://goiam.org) represents machinists in parts of aerospace, defense, and rail, though most U.S. production machinists work in non-union shops. NTMA and the Precision Metalforming Association (PMA) both sponsor employer-led apprenticeships registered through DOL.
ADJACENT ROLES
Tool-and-die maker is the most demanding adjacent role, requiring roughly 10,000 OJT hours and tight-tolerance grinding, heat-treat, and fixture-building experience (https://www.bls.gov/ooh/production/machinists-and-tool-and-die-makers.htm). CNC programmer roles split into shop-floor edit/offset programmers and off-line CAM programmers; NIMS CNC Milling and CNC Turning Programmer credentials cover both (https://www.nims-skills.org/credentialing). Manual mill and lathe operator positions are still common in prototype, R&D, and repair shops. Quality-control and gauge inspector roles require formal GD&T training per ASME Y14.5-2018, Dimensioning and Tolerancing (https://www.asme.org/codes-standards/find-codes-standards/y14-5-dimensioning-tolerancing); ASME also publishes Y14.5.1 Mathematical Definition of Dimensioning and Tolerancing Principles. AS9100 (aerospace) and ISO 13485 (medical device) quality-system training are often required before a machinist is cleared to run regulated parts.