Yksikön vääpeli

Vääpeli may also refer to a position of yksikön vääpeli ("vääpeli of unit", commonly "komppanian vääpeli", "vääpeli of company"), a position comparable to First Sergeant

First Sergeant

First sergeant is the name of a military rank used in many countries, typically a senior non-commissioned officer.-Singapore:First Sergeant is a Specialist in the Singapore Armed Forces. First Sergeants are the most senior of the junior Specialists, ranking above Second Sergeants, and below Staff...

 of US. armed forces or Company Sergeant Major

Company Sergeant Major

A company sergeant major is the senior non-commissioned soldier of a company in the armies of many Commonwealth countries, responsible for standards and discipline. In combat, his prime responsibility is the supply of ammunition to the company...

 of the Commonwealth countries' armed forces except when it comes to the rank of person holding the position, which in Finnish Defence Force may be either commissioned or non-commissioned officer while in USA and Commonwealth countries equal position is always held by an NCO, in company's (or battery's) chain of command yksikön vääpeli is second to company commander

Company Commander

A company commander is the commanding officer of a company, a military unit which typically consists of 100 to 350 soldiers, often organized into three or four smaller units called platoons....

 only and thereby above all the other commissioned and non-commissioned officers in company even if they outrank him/her. Usually the position is held by a lieutenant or a senior lieutenant

Yliluutnantti

Finnish Defence Forces rank of Yliluutnantti is comparable to Ranks of NATO armies officers as OF-1- History and related ranks:The Army of the Finnish Grand Duchy of the Russian Empire had a rank of alikapteeni, similar in use as Prussian and Russian Stabskapitän...

, but it's not unheard of for a sergeant to hold the position of yksikön vääpeli. The term yksikköupseeri (officer of the unit) is used for the same position, patteriupseeri in the artillery.