While performing the duties of this job, the employee is occasionally required to stand, walk, sit, use hands to finger dexterity, handle, or feel objects tools or controls, turn/twist, bend at waist, climb stairs, balance, stoop, kneel, crouch or crawl, talk and hear. Assemble and erect precision assemblies and sub-assemblies having close tolerances and critical operating requirements where fitting, alignment and adjustment of components, units and completed assembly are critical.