Schneider was selected by the Montreal Expos in the 5th round of the 1995 June draft. In, while at the Class-ACape Fear Crocs, of the South Atlantic League, Schneider emerged as a premiere defensive player, while also posting solid offensive numbers, and was named to the mid-season All-Star team.
Montreal Expos/Washington Nationals
After making a strong impression at the Expos’ spring training in, Schneider was called up to the big leagues, following an injury to regular catcher Chris Widger. Schneider made his MLB debut on May 26, 2000, on the road at the San Diego Padres’ Qualcomm Stadium, going 0-for-1, after coming into the game as a defensive replacement, in the 9th inning. The following day, he made his first big league start, going 2-for-3, including a double, in the 6th inning, for his first major league hit. In the season, Schneider split his time between the majors and minors, making the most of his opportunities whenever he was given playing time with the Expos. He compiled a batting average of.317, in 27 games, driving in 6 runs, and scoring 4 times. On September 22, 2001, Schneider hit his first career home run, coming off Scott Elarton, in the fifth inning of a 3-1 Expos victory over the Colorado Rockies. In, Schneider served as the backup catcher to Michael Barrett. He made his outfield debut on June 4, 2002, against the Pittsburgh Pirates, playing left field, after pinch-hitting for Wil Cordero, in the eighth inning. In 73 games, Schneider hit.275, with 5 home runs, 29 RBIs, and 19 doubles. On September 24, 2002, he was honored as the Expos' nominee for Major League Baseball's first annual Roberto Clemente Award, losing out to Jim Thome. In , Schneider caught a majority of the club's games for the first time, spending a total of 841 innings behind the plate. He was ranked fifth in the league in fielding with a.996 percentage, committing only three errors, in 709 total chances. At the plate, Schneider established career highs in numerous offensive categories, including hits, doubles, home runs, RBIs, total bases, and walks. from President George Bush at the Nationals' first game. The season saw Schneider post career highs in hits, home runs, and RBIs. For the second straight season, he led major league catchers in throwing out base-stealers, with a 47.8 percent success rate. Schneider finished the season with a fielding percentage of.998, setting a new franchise single-season record for a catcher, in that category. In , Schneider became the first-ever catcher in Washington Nationals history. That same year, he threw out a MLB-leading 38 percent of would-be base-stealers. Schneider struggled offensively during the first half of the season, hitting just.223 through August 4. His form picked up though, and he batted.324 with 9 doubles, 1 home run, and 21 RBIs, in the 42 games, thereafter. For the first time since 2002, Schneider did not lead either MLB or the National League in percentage of base-stealers thrown out, gunning down just 27%. As a historical note, Schneider was behind the plate, catching Mike Bacsik, when Barry Bonds hit his MLB record-breaking 756th career home run, on August 7, 2007.
New York Mets
On November 30, 2007, the Nats traded Schneider and Ryan Church to the New York Mets, for top prospect Lastings Milledge. In his first season in New York, Schneider hit.257, with 9 home runs, and 38 RBIs, in 110 games. He scored the first-ever Mets run at their new ballpark, Citi Field, April 13, 2009, scoring on a double hit by Luis Castillo.
Philadelphia Phillies
On December 1, 2009, Schneider signed a two-year contract with the Philadelphia Phillies. One highlight of his Phillies career came on July 8, 2010, when Schneider hit a walk-off home run to give the Phillies a 4-3 win over the Cincinnati Reds. Following the completion of his initial Phillies contract, Schneider signed for one more season in Philly, prior to the season.
Retirement
After the 2012 season, Schneider announced his retirement from Major League Baseball, on January 29, 2013.
Coaching
Schneider managed the Jupiter Hammerheads in the Florida State League, during the 2014 season. On December 4, 2015, he was announced as the new catching coach for the Miami Marlins. Schneider’s contract was not renewed after the 2019 season with the Marlins. He was named as Syracuse Mets manager on January 3, 2020. On February 7, 2020, Brian Schneider was named quality control coach for the New York Mets, succeeding Luis Rojas, who held the position last season and was named Mets manager in January 2020.
On November 6, 2004, Schneider married Jordan Sproat. The couple have four children; daughters, Tatum and Haven and sons, Calin and Holden. The family currently lives in Jupiter, Florida, with their two dogs, Rookie and Ribbie.
In 2008, Brian Schneider's Catching for Kids Foundation was established to support children and their participation in sports by providing funding and creative programming. The foundation strives to enable children of all backgrounds and physical abilities to enjoy the games they love.
Television
In 2015, as part of a job-swap documentary for Irish television, Schneider moved to Kilkenny in Ireland to train and play hurling as a goalkeeper for James Stephens; in return, Jackie Tyrrell trained with the Florida-based Major League Baseball team Miami Marlins.