He holds the position of Staff Fiddle player at The Grand Ole Opry, working with a diverse range of artists including Vince Gill, Nina Simone, Carly Pearce, Oak Ridge Boys and many more.

He has received two Grammy nominations for Country Instrumental Performance as a founding member of the American bluegrass band The Greencards.

[3] Influenced heavily by fiddlers such as Mark O'Connor, Stuart Duncan, Bobby Hicks, Rob Hajacos, Tommy Jackson, Johnny Gimble, Buddy Spicher.

[1][3][4] He first toured with the Asylum St. Spankers, and later Ray Wylie Hubbard, Bruce Robison, Kelly Willis and the Austin Lounge Lizards[5] As a founding member of The Greencards, he received two Grammy nominations and created 4 albums for DualTone and Sugar Hill Records.

He has appeared as a Session musician for Rodney Crowell, Robert Earl Keen, Kim Richey, Toby Keith, Hailey Withers, A Thousand Horses, Bruce Robison and Kelly Willis, Nielson Hubbard, Caroline Spence, The Band Perry, Gretchen Peters, Ashley Monroe, Anderson East, Kristin Diable, Danny Burns and many others Eamon has written and recorded String Arrangements for Mary Chapin Carpenter, Anderson East, John Paul White.