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Structural Iron & Steel Workers

Also called: Fitter / Welder, Iron Worker, Ironworker, Steel Worker

Where in the Marine Corps? In the Marine Corps: Carpentry and Masonry Specialist; Metal Worker; Steelworker; Structural Apprentice; Structural Helper; Structural Journeyman

What they do:
Raise, place, and unite iron or steel girders, columns, and other structural members to form completed structures or structural frameworks. May erect metal storage tanks and assemble prefabricated metal buildings.
On the job, you would:
  • Read specifications or blueprints to determine the locations, quantities, or sizes of materials required.
  • Connect columns, beams, and girders with bolts, following blueprints and instructions from supervisors.
  • Bolt aligned structural steel members in position for permanent riveting, bolting, or welding into place.


Engineering and Technology
  • building and construction
  • mechanical
Math and Science
  • arithmetic, algebra, geometry, calculus, or statistics
Safety and Government
  • public safety and security
  • management


Basic Skills
  • listening to others, not interrupting, and asking good questions
  • thinking about the pros and cons of different ways to solve a problem
Problem Solving
  • noticing a problem and figuring out the best way to solve it


Hand and Finger Use
  • hold or move items with your hands
  • keep your arm or hand steady
Controlled Movement
  • use your arms and/or legs together while sitting, standing, or lying down
  • quickly change the controls of a machine, car, truck or boat
  • exercise for a long time without getting out of breath
Physical Strength
  • lift, push, pull, or carry


People interested in this work like activities that include practical, hands-on problems and solutions.
They do well at jobs that need:
  • Attention to Detail
  • Dependability
  • Self Control
  • Cooperation
  • Initiative
  • Concern for Others


You might use software like this on the job:

Project management software
  • Cost estimating software
  • Project scheduling software
Accounting software
  • Turtle Creek Software Goldenseal
Computer aided design CAD software


Education: (rated 2 of 5)
high school diploma/GED or
no high school diploma/GED
usually needed

Get started on your career:

Find Training Find Certifications Registered Apprenticeship

Job Outlook

Bright Outlook
New job opportunities are very likely in the future.
per year, on average
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See more details at O*NET OnLine about structural iron and steel workers.