Petroleum Engineer vs Marine Engineer: Which Pays More?
Side-by-side salary comparison by city, experience level, and career growth outlook. Data reflects current market rates.
Petroleum Engineer
Design methods to extract oil and gas from underground reservoirs.
Marine Engineer
Design, build, and maintain vessels and marine systems including propulsion.
Petroleum Engineer earns more on average — the national median is $33,000/year (35%) higher than a Marine Engineer. However, salaries vary significantly by city, employer, and experience level — see the city-by-city breakdown below.
Petroleum Engineer vs Marine Engineer — Salary by City
National median figures in USD across top cities.
| City | Petroleum Engineer | Marine Engineer | Difference |
|---|---|---|---|
| San Francisco, CA | $186,913 | $138,450 | Petroleum +$48,463 |
| New York, NY | $150,531 | $112,321 | Petroleum +$38,210 |
| Seattle, WA | $179,550 | $135,957 | Petroleum +$43,593 |
| Austin, TX | $144,160 | $107,559 | Petroleum +$36,601 |
| Chicago, IL | $140,595 | $102,155 | Petroleum +$38,440 |
| Boston, MA | $164,139 | $124,063 | Petroleum +$40,076 |
| London, UK | £97,938 | £72,413 | Petroleum +$25,525 |
| Toronto, Canada | CA$168,625 | CA$128,803 | Petroleum +$39,822 |
Frequently Asked Questions
Does a Petroleum Engineer or Marine Engineer earn more?+
A Petroleum Engineer earns more on average. The national median salary for a Petroleum Engineer is $128,000/year, compared to $95,000/year for a Marine Engineer — a difference of $33,000 (35%).
Which has better career growth — Petroleum Engineer or Marine Engineer?+
Petroleum Engineer roles are growing at 4% YoY while Marine Engineer demand is growing at 4% YoY. Marine Engineer has stronger near-term demand growth.
Can you switch from Petroleum Engineer to Marine Engineer?+
Yes. Many professionals transition between these roles, especially since both are in the same category. Shared skills include: analytical thinking, communication, and industry knowledge.
Which is harder to automate — Petroleum Engineer or Marine Engineer?+
Marine Engineer has a lower AI automation risk (18% vs 42%). Based on Oxford Martin School and McKinsey 2023 analysis.