Lieutenant Matthew A. King started with the Village of Corrales Fire Department in 2000 as a volunteer firefighter. He worked with Albuquerque Ambulance Service starting in August of 2002 through April of 2009. He was a volunteer firefighter with the Village of Los Ranchos Fire Department starting in 2003 until he was hired there in 2007. Lieutenant King worked for the Village of Los Ranchos until 2009. He worked for a short period of time serving for Sandoval County Fire Department and Rio Rancho Fire and Rescue.

Lieutenant King started with Bernalillo County Fire & Rescue as a firefighter/paramedic on August 15, 2011, and was promoted to lieutenant on January 18, 2020. During his tenure with Bernalillo County Fire & Rescue, Lieutenant King served as a rescue specialist on the Metro Air Support Unit, as an EMS educator and in the training division.

He was the beloved husband of Audrey King and father to Aedden and Kyra.