Final Architecture trilogy

After Earth was destroyed mankind created a fighting elite to save their species, enhanced humans such as Idris. In the silence of space they could communicate, mind-to-mind, with the enemy. Then their alien aggressors, the Architects, simply disappeared. The war over, its heroes forgotten, Idris has neither aged nor slept since they remade him. He scrapes by on a freelance salvage vessel, to avoid the attention of greater powers. Now, fifty years...