Answer:

engineer

AnswerCrossword Clue
ENGINEERDilbert, e.g.
ENGINEERDriver who's on track?
ENGINEERMastermind
ENGINEERThe Great ... (Herbert Hoover's nickname)
ENGINEERCasey Jones, e.g.
ENGINEEROne may be civil
ENGINEERTrain pro
ENGINEERMake possible
ENGINEERConductor's coworker
ENGINEERTech-school grad
ENGINEEROrchestrate
ENGINEERArmy sapper.
ENGINEERWilliam McFee's profession.
ENGINEERMan at the controls.
ENGINEERHerbert Hoover's former profession.
ENGINEERHerbert Hoover's original calling.
ENGINEERHerbert Hoover, for instance.
ENGINEERMr. Hoover from 1895 to 1914.
ENGINEERM. I. T. alumnus.
ENGINEERCasey Jones' job.
ENGINEERCasey Jones.
ENGINEERManage skillfully.
ENGINEERHoover's early occupation.
ENGINEERMan at the throttle.
ENGINEERManage.
ENGINEERManage cleverly.
ENGINEERManipulate events
ENGINEERContrive
ENGINEERSeabee man
ENGINEERTech graduate
ENGINEERCasey Jones, for one
ENGINEERGeorgia Tech grad
ENGINEERCasey Jones
ENGINEERIron-horse driver
ENGINEERHigh-tech type
ENGINEERBechtel employee
ENGINEERAmtrak employee
ENGINEERArrange with some effort
ENGINEEROne tooting a horn
ENGINEERBring about with some effort