Eiland, 44, spent parts of 10 seasons in the Major Leagues -- including a three-year stint with the Rays from 1998-2000, when the right-hander went 6-12 with a 6.54 ERA in 39 games.
In his new role, he will lend support in the areas of player development, professional scouting and amateur scouting.
Eiland spent the last three seasons (2008-10) as the pitching coach for the Yankees and served as a pitching coach in the Yankees' Minor League system from 2003-07.
He graduated from Zephyrhills (Fla.) High School and pitched for the University of Florida and the University of South Florida. He resides in Wesley Chapel, Fla.
In addition to his three years with the Rays, he pitched for the Yankees (1988-91, 1995) and San Diego Padres (1992-93). Eiland underwent two Tommy John surgeries, forcing his retirement in 2002. He had a 12-27 career mark with a 5.74 ERA in 92 career games.
Bill Chastain is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.