Detective Sergeant Christopher Arnold, attached to Met Operations, appeared before a three-day hearing, which concluded on Wednesday (July 23).
The panel heard that on July 22, 2021, an allegation was made that DS Arnold had intentionally touched a female officer on her buttock.
The panel found DS Arnold had breached the standards of professional behaviour in relation to discreditable conduct and these breaches amounted to gross misconduct.
Commander Lou Pudefoot, who leads Met Operations said: “The actions of DS Arnold were completely inappropriate and his behaviour fell well below the standards expected of a Metropolitan Police officer.
“He has rightly been dismissed.”
DS Christopher Arnold will now be added to the Barred List held by the College of Policing.
“Those appearing on the list cannot be employed by police, local policing bodies, the Independent Office for Police Conduct or His Majesty’s Inspectorate of Constabulary and Fire and Rescue Services.
