CT · Machinist

Machinist licensing in Connecticut

State-issued license classes for machinists in Connecticut. Each class links to the issuing state board for primary-source verification.

Trade licensing overview · machinist

How machinist licensing works — Connecticut

How this trade is regulated in Connecticut. none-in-pilot-states The framework below describes the national pathway most machinists in Connecticut 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 Connecticut · BLS OES A01 2024

State median
$61,090
+8.8% vs national median
State mean
$62,540
National median
$56,150

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 Connecticut 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 Connecticut

Connecticut is one of the densest aerospace and defense machining clusters per capita in the country, anchored by Pratt & Whitney jet engines (East Hartford), Sikorsky helicopters (Stratford), Electric Boat submarine production (Groton), and a deep network of Tier-2 and Tier-3 supplier shops. Tool-and-die and precision-grinding work remains stronger here than in most states.

Where they work

The Hartford and Springfield-MA-adjacent corridor anchors Pratt & Whitney engine machining and a long supplier tail across Connecticut River Valley shops. The Naugatuck Valley (Waterbury, Naugatuck, Bristol) holds historic Swiss-screw-machine and small-precision work. Stratford and Bridgeport host Sikorsky and metal-finishing shops. Groton is dominated by Electric Boat submarine work. New Haven has medical-device and instrument shops. Statewide, supplier-shop machining is more common than large prime work.

Pay context

BLS OES reports a Connecticut median of $61,090 for machinists, among the higher in the country and reflective of the state's aerospace and submarine concentration. Cost of housing along the Hartford-to-Stamford corridor and statewide income tax cut into the headline number. Pratt & Whitney and Electric Boat union-represented seats typically anchor the upper end of the range.

Training pathway

Asnuntuck Community College (Enfield) runs a long-established machinist program with direct hiring pipelines into Pratt & Whitney and Electric Boat. Manchester, Naugatuck Valley, and Three Rivers community colleges run additional CNC programs. Connecticut's Manufacturing Innovation Fund pays much of the tuition. The Connecticut Apprenticeship Program registers machinist apprenticeships through individual employers; IAM Local 1746 represents many Pratt & Whitney machinists.

Considerations

If you want aerospace, submarine, or precision-supplier work with a clear training-to-hire pipeline, Connecticut has one of the cleanest entry paths in the country. If you want sunbelt costs or year-round outdoor weather, the Northeast climate and housing costs cut into nominal wages. Pratt & Whitney and Electric Boat contract cycles set the tempo for many Tier-2 shops; ask about backlog visibility before accepting an offer.

Connecticut machinist snapshot

State employment (BLS)
6,070
10-year growth (20222032)
+9.8%
~840 openings/yr
Top metro areas in Connecticut by employment
MSAEmployedMedian wage
Hartford-West Hartford-East Hartford, CT3,080$62,950
Waterbury-Shelton, CT830$53,180
Bridgeport-Stamford-Danbury, CT610$61,940
Norwich-New London-Willimantic, CT540$62,890
New Haven, CT490$51,530

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.

Not legal, financial, or career advice. Trades Navigator compiles state board rules, statutes, and federal data into a navigable layer linked to primary sources. We do not maintain editorial attestation on each line. Always verify the specific number, fee, deadline, or rule against the linked primary source before relying on it. Confirm any decision with the relevant state agency, a lawyer, or an accountant.

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