1. An apparatus, comprising: a processor; a computer-readable storage medium coupled to the processor; and logic, stored on the computer-readable storage medium and executed on the processor, for: modeling a plurality of operational units, each operational unit implementing a portion of an operational workflow by one or more deployment engines of a plurality of deployment engines; selecting, for each of the plurality of operational units, one of the deployment engines of the one or more deployment engines; ordering the operational units with respect to the operational workflow; grouping the ordered operational units according to the selected deployment engines into a plurality of deployment engine groupings; generating a first mapping showing a correlation between the plurality of operational units among the plurality of deployment engines; generating a second mapping of a plurality of output parameters, corresponding to a first operational unit that concludes a first deployment engine grouping of the plurality of deployment engine groupings, to a plurality of input parameters corresponding to a second operational unit that initiates a second deployment engine grouping, wherein the second grouping immediately follows the first grouping with respect to the ordering; inserting, based upon the first and second mapping, between the first operational unit and the second operational unit, a transitional operational unit for transitioning between a first deployment engine, corresponding to the first deployment engine grouping, and a second deployment engine, corresponding to the second deployment engine grouping, for generating a multi-deployment engine operational workflow, wherein the transitional operational unit comprises deployment tasks for performing the second mapping; storing for execution the multi-deployment engine operational workflow; and executing the multi-deployment engine operational workflow on a processor.