Leslie Aikens 47, was convicted by a jury of corruption in November after being snared by FBI agents and Texas Rangers working on a tip he was in the pocket of drug traffickers.
"Fifteen years is a long time on the federal side," prosecutor James McAlister said Thursday.
Aikens had been with HPD for 19 years and had been assigned to the jail division.
Suspecting he was in cahoots with the traffickers, authorities set up an undercover sting and secretly recorded Aikens agreeing to escort the vehicle and then carrying out the deed, the prosecutor said. He escorted about 15 pounds of cocaine from just outside Houston to inside Loop 610 before peeling off and continuing his official duties.