Career comparison
Molding Machine Operator vs. Tire Builder
Side-by-side pay, training, growth and day-to-day duties to help you choose between two related careers.
Tire builders earn more at the median ($57,390 vs. $44,350), while molding machine operators usually get to work faster (A few months on the job of training). Molding machine operators run injection molding and die casting machines that make plastic and metal parts. Tire builders build tires by layering rubber and steel on tire-building machines.
Pay data: BLS OEWS, May 2025 · Outlook: BLS 2025–35 · Checked October 15, 2026
| Molding Machine Operator | Tire Builder | |
|---|---|---|
| Median pay | $44,350 ($21.32/hr) | $57,390 ($27.59/hr) |
| Pay range (10th–90th) | $34,170 – $61,600 | $40,150 – $74,680 |
| Job growth, 2025–35 | -3.4% (a projected decline) | +0.8% (little or no change) |
| Openings per year | 13,800 | 1,900 |
| Typical entry education | High school diploma or equivalent | High school diploma or equivalent |
| Training time | A few months on the job | A few months on the job |
| Key credential | Injection molding certification | Plant training |
| Work setting | Operators work in plastics and die casting plants.. | Builders work in tire plants.. |
What each job does
Molding Machine Operator
- Run molding machines
- Load material
- Remove and trim parts
- Inspect quality
- Adjust settings
Tire Builder
- Load components
- Build tires on drums
- Splice plies
- Place beads and belts
- Inspect green tires
How they’re similar
Both careers involve hands-on work, shift work, steady routines, and indoor work. Both are part of the mechanics, maintenance & manufacturing field, so many skills transfer between them.
Which should you choose?
Choose molding machine operator if…
- I like machines
- I’m detail-oriented
- I can do repetitive work
Choose tire builder if…
- I like precise hands-on work
- I work quickly
- I can work rotating shifts
Still torn? Take the Molding Machine Operator fit quiz and the Tire Builder fit quiz, or the full Career Match Quiz.
Quick comparisons
Which pays more, molding machine operator or tire builder?
Tire Builders earn more at the median: $57,390 versus $44,350 for molding machine operators, based on BLS May 2025 data.
Which takes less time to train for?
Molding Machine Operators typically train faster (A few months on the job) than tire builders (A few months on the job).
Which career has better job growth?
BLS projects tire builders to grow +0.8% from 2025–35, compared with -3.4% for molding machine operators.