Feuerwerker (ordnance technician or specialist, literally 'fire worker') are specialists in the armed forces of German-speaking countries responsible for the maintenance ofammunition.
From thelate Middle Ages until theEarly modern period aFeuerwerker was a highly specialised artisan with detailed knowledge of the closely guarded secrets of making gunpowder. Since the 19th centuryFeuerwerker became a distinguished career in Austrian, German and Russian(Russian:Фейерверкер; Feyerverker) armed forces.
In the modern GermanBundeswehr,Feuerwerker is the collective designation to non-commissioned officers (OR5 to OR9) and officers of the military functional service(German:Offizier(e) militärfachlischer Dienst, OF1 and OF2) with several years of special training pertaining to construction, maintenance, and destruction of ammunition.
Between 1700 and 1917, the ranks of Senior Feuerwerker (Senior Gunner) and Junior Feuerwerker (Vice-Feuerwerker, Junior Gunner) in the Russian Army were used in artillery. They were equal to the Junior and SeniorUnteroffizier (Under Officer) in the land troops, respectively.
Feuerwerker was amilitary rank of the Austro-Hungarian Armed Forces (1867–1918).
In the Austro-Hungarian Armed ForcesFeuerwerker was equivalent to:
| Junior rank Zugsführer |  (Austro-Hungarian armed forces rank) Feuerwerker | Senior rank Stabsfeuerwerker |
The rank insignia was a gorget patch on the stand-up collar of the so-calledWaffenrock (en: tunic), and consisted of three white stars on 13 mm ragged yellow silk galloon. The gorget patch and the stand-up collar showed the particularWaffenfarbe (en: corps colour).
| Designation | Non-commissioned officers OR5/ Feldwebel ranks | ||||
|---|---|---|---|---|---|
 |  |  |  |  | |
| Paroli | |||||
| Rank description | Feuerwerker | Wachtmeister | Oberjäger | Feldwebel | |
| Branch | Artillery | Cavalry | Mountain infantry | Infantry | Militärwachkorps |
| (English) | (Artillery Master Sergeant) | (Cavalry Master Sergeant) | (Rifles Master Sergeant) | (Sergeant) | (Master Sergeant of Military Guard Service) |