The Operations Division is overseen by Assistant Fire Chief Tim Mock.  

The McKinney Fire Department is staffed with 151 certified firefighter / EMT / paramedics.

Specialized training and certification have allowed the creation of a Hazardous Materials Technician Team, Swift Water Technician Team, High-Angle Rescue Team, advanced extrication and S.W.A.T. Paramedics.

Firefighters at Station 4, located at the McKinney National Airport, are certified in Aircraft Fire Fighting and Rescue and are trained to respond to and handle aircraft emergencies.