Steelworker (abbreviated as SW) is a United States Navy occupational rating. Steelworkers perform tasks directly related to fabrication and erection of pre-engineered structures, including steel reinforcement; control job site deployment of materials and equipment; direct and coordinate the composition, training and efforts of crews who fabricate, assemble, erect, position and join structural members and fabricated sections; maintain individual combat readiness and perform tasks required in combat and disaster preparedness or recovery operations.