Operating Engineers (Heavy Equipment) vs Structural Iron & Steel Workers

Side-by-side comparison of salary, job growth, and training requirements based on BLS data.

Overview

Both Operating Engineers and Structural Iron & Steel Workers are solid blue-collar careers with strong earning potential and steady demand. Operating Engineers earn a median $58,710 while Ironworkers pull in $62,700 - a modest $3,990 difference. Both fields project 4+ percent growth over the next decade, which beats many industries. Operating Engineers focus on machinery - running cranes, bulldozers, and excavators on construction sites. Ironworkers specialize in building frameworks, placing steel beams and girders that form skyscrapers and bridges. Both require 3-4 year apprenticeships and offer excellent benefits through union membership. The choice often comes down to whether you prefer operating complex machinery or hands-on structural assembly work.

Operating Engineers (Heavy Equipment)
Structural Iron & Steel Workers
Median Salary
$58,710
$62,700
10-Year Job Growth
+4.1%
+4.5%
Training Length
3-4 years
3-4 years
Typical Path
IUOE apprenticeship or heavy equipment school; CDL may be required
Ironworkers union apprenticeship; combines classroom and field training
Salary difference: $3,990 (6.4%) in favor of Structural Iron & Steel Workers

Salary Breakdown

The $3,990 salary difference between these trades narrows at entry level but can widen with experience. Both start around $35,000-40,000 during apprenticeships. Experienced Operating Engineers can reach $80,000+ with specialized equipment certifications, while senior Ironworkers often exceed $90,000 in major metropolitan markets. Overtime is abundant in both trades - many workers see 20-30% salary boosts from OT alone. Operating Engineers with crane certifications or those working specialized equipment command premium rates. Ironworkers doing high-rise or bridge work earn hazard pay. Both trades offer strong union benefits and pension plans that add significant value beyond base wages.

Work Environment

Both trades work primarily outdoors in all weather conditions with significant physical demands. Operating Engineers spend most time in equipment cabs, protected from elements but dealing with vibration, noise, and long seated periods. They travel between job sites frequently. Ironworkers face greater height exposure, working on beams and frameworks often hundreds of feet up. Their work is more physically demanding - lifting, welding, and positioning heavy materials. Both face serious safety risks requiring constant vigilance. Ironworkers typically have more consistent job sites during building phases, while Operating Engineers move between projects more frequently. Both work standard construction hours with overtime opportunities.

Career Growth

Operating Engineers can specialize in specific equipment types - tower cranes, pile drivers, or earthmoving equipment - commanding higher rates. Advancement includes equipment instructor, job superintendent, or starting an excavation business. Many transition to equipment sales or rental company management. Ironworkers advance to foreman, superintendent, or specialty work like ornamental iron. Some become welding inspectors or structural consultants. Both trades offer paths to general contracting, though Operating Engineers have easier equipment-based business entry points. Union leadership roles provide another advancement avenue. Ironworkers often see higher peak earning potential in specialized high-rise markets, while Operating Engineers enjoy more diverse career pivots within construction.

Who should choose Operating Engineers (Heavy Equipment)?

Choose Operating Engineers if you love machinery and mechanical systems. This career suits people who prefer working somewhat independently, enjoy problem-solving with equipment, and want variety in work locations. You'll thrive if you have good hand-eye coordination, spatial awareness, and patience for precision work. It's ideal for those who want physical work without extreme height exposure or heavy lifting. The role offers more protection from weather and appeals to people who enjoyed operating machinery or playing with construction toys as kids.

Typical path: IUOE apprenticeship or heavy equipment school; CDL may be required

Explore Operating Engineers (Heavy Equipment)

Who should choose Structural Iron & Steel Workers?

Choose Structural Iron & Steel Work if you want to build something permanent and impressive. This career suits people comfortable with heights, who enjoy teamwork, and take pride in visible accomplishments. You need physical strength, balance, and steady nerves. It's perfect for those who want variety in projects - from skyscrapers to bridges to industrial facilities. The work appeals to people who enjoy welding, precision assembly, and seeing structures rise from the ground up. You'll love this if you want to point to buildings and say 'I built that.'

Typical path: Ironworkers union apprenticeship; combines classroom and field training

Explore Structural Iron & Steel Workers

The Bottom Line

Both are excellent career choices with strong wages and job security. Choose Operating Engineers if you love machinery and want variety. Choose Ironworkers if you want to build impressive structures and don't mind heights. Either path leads to a solid middle-class lifestyle.

Frequently Asked Questions

Structural Iron & Steel Workers earn more on average. The national median salary for structural iron & steel workers is $62,700, which is $3,990 more than operating engineers (heavy equipment) ($58,710).
Operating Engineers (Heavy Equipment) typically require 3-4 years of training (IUOE apprenticeship or heavy equipment school; CDL may be required). Structural Iron & Steel Workers typically require 3-4 years (Ironworkers union apprenticeship; combines classroom and field training).
Operating Engineers (Heavy Equipment) have a projected 10-year growth of 4.1%, while structural iron & steel workers have a projected growth of 4.5%. Structural Iron & Steel Workers have slightly better growth prospects.