In 1983, Irving joined the United States Secret Service,[7] where he served as a supervisory agent in the Presidential Protection Division, as Deputy Assistant Director for Congressional Affairs, and as Assistant Director for Administration.[6]
Following his retirement from the Secret Service, Irving became president and managing partner of his family's real estate investment firm, and subsequently joined Command Consulting Group, an international security and intelligence consulting firm, where he was a senior security consultant in the firm's Washington, D.C. headquarters, and managing director of the firm's office in Miami, Florida.[8][9]
On January 17, 2012, Irving was named the House Sergeant at Arms.[9] Irving rose to prominence after the Capitol was attacked on January 6, 2021.
On January 6 at around 1:00 p.m., hundreds of Trump supporters clashed with officers and pushed through barriers along the perimeter of the Capitol.[14][15] The crowd swept past barriers and officers, with some members of the mob spraying officers with chemical agents or hitting them with lead pipes.[16][17] Representative Zoe Lofgren (D–CA), aware that rioters had reached the Capitol steps, was unable to reach Capitol police chief Steven Sund by phone; Irving told Lofgren the doors to the Capitol were locked and "nobody can get in".[18]
At 1:09, Sund called Irving and Stenger and asked them for an emergency declaration required to call in the D.C. National Guard; they both told Sund they would "run it up the chain". Irving called back with formal approval an hour later.[19] Irving would later deny the 1:09 p.m. conversation took place, though the call was substantiated by phone records.[20][21]
On January 7, 2021, House Speaker Nancy Pelosi announced that Irving would be submitting his resignation as Sergeant at Arms.[22] Sund and Stenger also resigned from their posts.[23]