Quartermaster sergeant instructor
Appearance
Quartermaster Sergeant Instructor (QMSI) is an appointment held by Warrant Officers Class 2 in the British Army's Small Arms School Corps and Army Physical Training Corps and by some in the Royal Engineers.
It is also the title used within the Territorial Army for the attached regular NCO (usually a Colour Sergeant/Staff Sergeant) responsible for unit administration and stores at sub-unit level (i.e. company/squadron).[citation needed]
In the Canadian Army, QMSI is an appointment held by the senior Master Warrant Officer within each battalion of the Princess Patricia's Canadian Light Infantry.