77 Chevrolet Silverado in the NASCAR Craftsman Truck Series driven by Andrés Pérez de Lara.

Walter landed his first crew chiefing job in 2005, calling the shots for Hendrick Motorsports' No.

He had previously worked as an engineer for Hendrick as well as Dale Earnhardt, Inc. Walter was the crew chief for the No.

24 Hendrick Motorsports Chevrolet in the Busch Series in 2007, working with drivers Casey Mears and Landon Cassill.

In late February 2008, he was suspended for six races for having an illegal rear spoiler in the opening inspection on Dale Earnhardt Jr.'s racecar.

12 Nationwide Series team as the crew chief for rookie Justin Allgaier for the 2009 season.

66, for owner Michael Waltrip, Brett Moffitt, and Jeff Burton, who joined MWR from Richard Childress Racing after semi-retiring.

17 team in the K&N East Series for DGR-Crosley, but ahead of the season, he was given another hefty suspension, this time for illegally testing in January of that year.

[5] Walter returned to crew chiefing in 2020, leaving DGR-Crosley to join GMS Racing to work on their new No.

[8] GMS closed down after the 2023 season and Caruth and Walter moved to Spire Motorsports in 2024 to drive and crew chief the team's new No.

77 truck, driven by rookie Andrés Pérez de Lara, the defending ARCA Menards Series champion.

[10] Walter attended Cornell University where he joined the Formula Society of Automotive Engineers' race car design team.