Mechanical Design Engineer , SolidWorks , 3D modeling , industrial equipment design , material handling systems , overhead crane systems , runway structures , monorails , jib cranes , custom lifting equipment , mechanical systems , conveyors , manipulators , fixtures , custom industrial machinery , structural calculations , mechanical calculations , load paths , component sizing , system capacity , bearings , gearboxes , motors , drives , shafts , fasteners , CMAA , AISC , ASCE , OSHA , fabrication drawings , weldments , bills of materials , AutoCAD , Mechanical Engineering , Civil Engineering , machinery design , structural systems . Seeking a detail-oriented Mechanical Design Engineer to design overhead crane systems , runway structures , monorails , jib cranes , custom lifting equipment , and industrial machinery .