Career Escape
Moving from machinist to molding, coremaking, and casting machine setters, operators, and tenders, metal and plastic, by the occupational data
Both occupations are described by the same O*NET 30.3 rating system, which makes them directly comparable: the same requirements, rated for each. What follows is that comparison for machinists and Molding, Coremaking, and Casting Machine Setters, Operators, and Tenders, Metal and Plastic, not an opinion about whether the move is a good idea.
Can a machinist become a molding, coremaking, and casting machine setters, operators, and tenders, metal and plastic?
O*NET 30.3 rates 62% of what matters to either machinist work or molding, coremaking, and casting machine setters, operators, and tenders, metal and plastic work as mattering to both, which is a real overlap with a real remainder. The requirements that carry across include Repairing and Maintaining Mechanical Equipment, Controlling Machines and Processes, Production and Processing. It sits at Job Zone 2 against Job Zone 3 for machinists, meaning shorter typical entry requirements. That is a statement about entry requirements only, not about pay or standing. BLS does not publish a typical entry-education category for one of these occupations. What would be new concentrates in work activities: Establishing and Maintaining Interpersonal Relationships. BLS puts the 2025 national median wage for molding, coremaking, and casting machine setters, operators, and tenders, metal and plastics at $44,350 against $58,750 for machinists, a difference of 25% downward at the occupational level rather than for any individual move. BLS projects employment in the destination occupation to decline 3.4% between 2025 and 2035, with about 13,800 openings a year on average. O*NET describes the destination as follows: Set up, operate, or tend metal or plastic molding, casting, or coremaking machines to mold or cast metal or thermoplastic parts or products. This compares two occupations, not two people, and says nothing about whether any individual would be hired.
- Weighted overlap
- 62% of the requirements important to either occupation are important to both, with 0 of those shared requirements classed as distinctive rather than near-universal.
- Preparation level
- O*NET Job Zone 2, against Job Zone 3 for machinists. Not published.
- Typical entry education (BLS)
- Not published by BLS for this occupation.
- Prior experience typically expected
- Not published by BLS for this occupation.
- Where the overlap is strongest
- Work activities, with 0 distinctive requirements important to both. Requirements that carry over include Repairing and Maintaining Mechanical Equipment, Controlling Machines and Processes, Production and Processing.
- Independent corroboration
- O*NET does not list this as directly related to the source occupation; it appears one step out, related to a related occupation. The overlap measure and the relatedness file disagree here, and both are shown rather than one being quietly dropped.
Source and method
O*NET 30.3 Database, with BLS Employment Projections Table 5.4. Verified 2026-09-02. Importance ratings, Job Zones and occupational titles are read from O*NET. Typical entry education, prior experience and on-the-job training are read from BLS. The weighted overlap percentage, the distinctive-requirement counts, and the shared and new requirement lists are computed by RoleSprint from those inputs using the method published at /career-change/methodology.
Career transition data
Machinist to Molding, Coremaking, and Casting Machine Setters, Operators, and Tenders, Metal and Plastic
- Work activities overlapderived
- 62%
- Knowledge overlapderived
- 66%
- Transferable skills overlapderived
- 58%
- Essential skills overlapderived
- 69%
- Job Zone
- 3 to 2
- Median annual wage, 2025
- $58,750 to $44,350
- Wage differencederived
- −$14,400 (−25%)
- Projected employment change, 2025–35
- −3.4%
- Annual openings, 2025–35 average
- 13,800
Largest transferable capability: Controlling Machines and Processes
Largest new demand: Reading Comprehension
Source. Job Zone and requirement ratings: O*NET 30.3. Wage, employment projections, openings and entry education: BLS Employment Projections Table 1.2, projections 2025–35, wage year 2025. RoleSprint-derived. Overlap percentages and the wage difference are calculated by RoleSprint from those published values. Limitation. These are national occupational statistics for two occupations. The wage figure is not a salary you would be offered, employment growth is not job security, and overlap is not a likelihood of being hired. Fields BLS does not publish for an occupation are omitted rather than estimated.
What carries over
Requirements O*NET rates as important for both machinists and molding, coremaking, and casting machine setters, operators, and tenders, metal and plastics, by domain. Most distinctive first, so the top of each list is the part that is actually worth putting on a resume.
Work activities
13 of 20 work activities important to either occupation are important to both.
- Repairing and Maintaining Mechanical Equipment3.8 for machinists, 3.1 here
- Controlling Machines and Processes4.7 for machinists, 4.6 here
- Handling and Moving Objects3.6 for machinists, 4.1 here
- Performing General Physical Activities3.2 for machinists, 3.5 here
- Inspecting Equipment, Structures, or Materials4.3 for machinists, 3.8 here
Knowledge
3 of 4 knowledge areas important to either occupation are important to both.
- Production and Processing3.3 for machinists, 3.5 here
- Mechanical3.3 for machinists, 3.5 here
- Mathematics3.5 for machinists, 3.1 here
Transferable skills
3 of 7 transferable skills important to either occupation are important to both.
- Operation and Control3.3 for machinists, 3.1 here
- Quality Control Analysis3.0 for machinists, 3.0 here
- Operations Monitoring3.1 for machinists, 3.4 here
Essential skills
4 of 5 essential skills important to either occupation are important to both.
- Monitoring3.1 for machinists, 3.1 here
- Critical Thinking3.1 for machinists, 3.0 here
- Speaking3.0 for machinists, 3.0 here
- Active Listening3.0 for machinists, 3.3 here
Numbers are O*NET Importance, on a 1 to 5 scale. A requirement counts as important at 3.0 and above, which is the threshold the whole comparison uses.
What would be new
Requirements important for molding, coremaking, and casting machine setters, operators, and tenders, metal and plastics and not important for machinists. This is the part you would have to be able to evidence, and it is usually the real obstacle rather than the job title.
Work activities
1 work activities rated important here and not for machinists.
- Establishing and Maintaining Interpersonal Relationships3.0 here, 3.0 for machinists
Transferable skills
1 transferable skills rated important here and not for machinists.
- Time Management3.0 here, 2.9 for machinists
Essential skills
1 essential skills rated important here and not for machinists.
- Reading Comprehension3.1 here, 2.9 for machinists
Practical caveats for this move
Specific to this pair, and worth reading before treating any of the above as a plan.
- Molding, Coremaking, and Casting Machine Setters, Operators, and Tenders, Metal and Plastic sits a Job Zone below machinists. Shorter entry requirements are not the same as an easier hire: employers filling a lower Job Zone role sometimes screen out candidates whose background sits above it.
- BLS records no prior experience in a related occupation as typical for this role, which makes the requirement lists above the more useful guide to what a posting will ask for.
- O*NET does not list this destination as directly related to your current occupation. It reached this map through the requirement overlap, one step out. That is a weaker corroboration than a directly related occupation, and it is shown rather than hidden.
- None of this accounts for licensing, geography, pay, hiring volume, or whether you would want the work. Occupational data describes the job. It does not describe the market for it, and it does not describe you.
How this move compares with the alternatives
This page is one move. The Opportunity Atlas puts every destination mapped from machinists side by side on skills overlap, day-to-day work, wage, projected growth, openings and the size of the training step.
It does not rank them, because the dimensions genuinely disagree: measured across every transition published here, how much your skills carry over and how much your knowledge carries over are close to unrelated. You choose which one matters and it orders by that.
Compare the alternatives in the Opportunity AtlasThe destination occupation, as O*NET describes it
Set up, operate, or tend metal or plastic molding, casting, or coremaking machines to mold or cast metal or thermoplastic parts or products.
O*NET-SOC 51-4072.00. Full title: Molding, Coremaking, and Casting Machine Setters, Operators, and Tenders, Metal and Plastic. Where this page uses the shorter phrase “molding, coremaking, and casting machine setters, operators, and tenders, metal and plastic”, that is a common name for readability, not a separate occupational classification.
This page includes information from the O*NET 30.3 Database by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA). Used under the CC BY 4.0 license. O*NET® is a trademark of USDOL/ETA. RoleSprint has modified all or some of this information. USDOL/ETA has not approved, endorsed, or tested these modifications. Analysis generated 2026-09-02 from the O*NET 30.3 Database. Entry education, work experience, and on-the-job training are reproduced from BLS Employment Projections Table 5.4, Education and training assignments by detailed occupation, 2024, published by the U.S. Bureau of Labor Statistics.
What to do next
Occupational data compares two jobs. It cannot tell you whether one specific employer would consider you, and this is the point where most people stop reading data and start applying blind.