Career comparison
Marine Engineer vs. Mechanical Engineer
Side-by-side pay, training, growth and day-to-day duties to help you choose between two related careers.
Marine engineers earn more at the median ($112,230 vs. $104,110), while marine engineers usually get to work faster (4-year engineering degree of training). Marine engineers design ships, submarines and offshore structures. Mechanical engineers design machines, engines, tools and products that move and work.
Pay data: BLS OEWS, May 2025 · Outlook: BLS 2025–35 · Checked October 15, 2026
| Marine Engineer | Mechanical Engineer | |
|---|---|---|
| Median pay | $112,230 ($53.96/hr) | $104,110 ($50.05/hr) |
| Pay range (10th–90th) | $83,010 – $173,330 | $73,990 – $164,340 |
| Job growth, 2025–35 | +6.7% (faster than average) | +11.2% (much faster than average) |
| Openings per year | 500 | 17,800 |
| Typical entry education | Bachelor's degree | Bachelor's degree |
| Training time | 4-year engineering degree | 4 years |
| Key credential | PE license | Engineer in Training (EIT) |
| Work setting | Marine engineers work in offices, shipyards and at sea.. | Mechanical engineers work in offices, labs and plants.. |
What each job does
Marine Engineer
- Design hulls
- Calculate stability
- Design propulsion systems
- Design onboard systems
- Oversee construction
Mechanical Engineer
- Design mechanical systems and products
- Create CAD models
- Analyze stress, heat and fluids
- Build and test prototypes
- Develop manufacturing processes
How they’re similar
Both careers involve high-pay, problem-solving, in-demand, and teamwork. Both are part of the science, engineering & lab field, so many skills transfer between them.
Which should you choose?
Choose marine engineer if…
- I love ships
- I like physics and math
- I like big projects
Choose mechanical engineer if…
- I love how machines work
- I enjoy math and physics
- I like designing products
Still torn? Take the Marine Engineer fit quiz and the Mechanical Engineer fit quiz, or the full Career Match Quiz.
Quick comparisons
Which pays more, marine engineer or mechanical engineer?
Marine Engineers earn more at the median: $112,230 versus $104,110 for mechanical engineers, based on BLS May 2025 data.
Which takes less time to train for?
Marine Engineers typically train faster (4-year engineering degree) than mechanical engineers (4 years).
Which career has better job growth?
BLS projects mechanical engineers to grow +11.2% from 2025–35, compared with +6.7% for marine engineers.