The Caveat You Need to Read First

Salary rankings by discipline are useful context โ€” but they're also misleading if read at face value. The median salary for a discipline is the middle of a wide range. A petroleum engineer at a major oil company earns very differently from one at a small regional firm. A software engineer at a FAANG company earns dramatically more than one at a government agency.

Industry, company size, location, and specialization all drive more variation in actual take-home pay than the raw discipline ranking does. Use this list to understand ranges and ceilings โ€” not as a decision-making shortcut.

Rankings based on BLS Occupational Employment and Wage Statistics (OEWS), 2025 data, supplemented with industry reports from IEEE, ASME, AIChE, and SPE. Figures represent national medians across all industries for each discipline.

The 2026 Rankings

# Discipline Median Salary Entry Senior Ceiling Job Growth
01Petroleum Engineering$131,000$82K$210K++6%
02Software Engineering$132,000$90K$250K++25%
03Nuclear Engineering$122,000$75K$185K+8%
04Aerospace Engineering$120,000$74K$180K+6%
05Computer Engineering$118,000$80K$200K++17%
06Chemical Engineering$112,000$71K$175K+8%
07Electrical Engineering$108,000$70K$170K+9%
08Mining Engineering$104,000$66K$160K+2%
09Systems Engineering$103,000$68K$165K+11%
10Mechanical Engineering$98,000$65K$180K+10%
11Biomedical Engineering$97,000$62K$160K+10%
12Industrial Engineering$96,000$62K$155K+12%
13Materials Engineering$95,000$62K$155K+8%
14Marine Engineering$93,000$60K$148K+4%
15Civil Engineering$92,000$60K$150K+6%
16Environmental Engineering$92,000$58K$145K+7%
17Agricultural Engineering$82,000$54K$130K+5%

What's Surprising About This List

Software Engineering has the best combination of pay + growth

Petroleum engineering technically has a higher ceiling in certain markets, but software engineering has something petroleum doesn't โ€” consistent, high-paying demand across nearly every industry. You can do software engineering at an oil company, a hospital, a bank, or a startup. The ceiling is higher, the floor is more stable, and the job growth rate of 25% dwarfs every other discipline on this list.

Nuclear engineering is underrated

Most students overlook it, but nuclear engineering offers high pay (#3 on this list), strong job security, and a resurgent industry with new small modular reactors and defense applications creating sustained demand. It's one of the most undersubscribed disciplines relative to how well it pays.

Civil and environmental engineering are deceptively low

The median figures are dragged down by public sector and government roles, which are abundant in these fields. Civil engineers in private consulting or large infrastructure firms can easily exceed $120K at senior levels. The median understates the ceiling significantly.

"The gap between the #1 and #17 discipline is about $50K at median โ€” but it can be zero at the top of either field."

โ€” EngineersBox Salary Analysis, 2026

Median vs. Ceiling: The More Important Comparison

If you're optimizing for lifetime earnings, the ceiling matters more than the median. Software engineering, petroleum, and computer engineering all have ceilings well above $200K for specialists at top companies. Mechanical and aerospace engineering can hit $180K+ for senior engineers in the right industries. Even civil engineering has paths to $150K+ in private consulting and project management.

The disciplines with the most compressed ceilings โ€” where the gap between median and top pay is smaller โ€” tend to be those heavily concentrated in government or public sector work, like environmental and agricultural engineering.

๐Ÿ’ฐ Compare Salaries Side by Side

Use our salary table on the homepage to sort and compare all 17 disciplines by entry, mid, and senior pay.

View Salary Insights โ†’