Collisions between two lead nuclei at the Large Hadron Collider produce extremely high temperature QCD matter which is best described as consisting of deconfined quarks and gluons. A powerful tool to understand this matter is to use the high momentum quarks and gluons generated in hard scattering processes in the earliest stages of the nuclear collision as probes of the matter at later times. These measurements use modifications to the jet rates and properties induced by the scattering of the probes off the constituents of the matter to infer the nature of the interactions and constrain the properties of the matter. This talk will describe the new measurements at 5 TeV collision energy of jets and their properties in the ATLAS detector in lead-lead collisions as well proton-proton and proton-lead collisions which provide a baseline for the lead-lead measurements.