As G-8, Murray served as the principal advisor to the Chief of Staff for materiel requirements, as military counterpart to the Assistant Secretary of the Army for acquisition, logistics, and technology (ASA(ALT)).

[7] On 1 September 2020 General Murray was appointed to lead an in-depth Army 15-6 investigation of those activities and leadership of Fort Hood which led to the murder of Specialist Vanessa Guillen at that installation.

[9][10] His Command Sergeant Major Michael J. Crosby retired on the same day.

Throughout his career, Murray has served in leadership positions and commanded from company through division, with various staff assignments at the highest levels of the army.

Murray also served as the Director, Force Management, the Pentagon; Assistant Deputy Director for Joint Training, J-7, Joint Staff, Suffolk, Virginia; Director, Joint Center for Operational Analysis, United States Joint Forces Command, Suffolk, Virginia; Deputy Commanding General (Maneuver), 1st Cavalry Division, Fort Hood, Texas; Deputy Commanding General (Maneuver), Multi-National Division-Baghdad Operation Iraqi Freedom, Iraq; G-3 (Operations), III Corps, Fort Hood, Texas; Chief of Staff, III Corps and Fort Hood, Fort Hood, Texas; C-3, Multi-National Corps-Iraq, Operation Iraqi Freedom, Iraq; G-3 (Operations), 1st Infantry Division, United States Army Europe and Seventh Army, Germany; Chief, Space Control Protection Section, J-33, United States Space Command, Peterson Air Force Base, Colorado; S-3 (Operations), later Executive Officer, 1st Battalion, 5th Cavalry, 1st Cavalry Division, Fort Hood, Texas; Chief, Plans, G-1, III Corps and Fort Hood, Fort Hood, Texas.