In 2002, he graduated from the General Jonas Žemaitis Military Academy of Lithuania, receiving a Bachelor's degree in Public Administration.

In 2013, he graduated from the United States Army War College, receiving a Master's degree in Strategic Defense Studies.

While serving in the Lithuanian Armed Forces, Raimundas Vaikšnoras commanded a motorized assault platoon and company, two battalions located in Vilnius and Rukla, was the commander of the Mechanized Infantry Brigade "Iron Wolf", performed other leadership duties as a staff officer in units of the Lithuanian Armed Forces, and participated in the international operation in Afghanistan.

[2][3] From 1991, Raimundas Vaikšnoras began his military career as an Intelligence Specialist in the Training Unit of the National Defence Department, taking the Serviceman's Oath on 11th March 1991.

[4] In 2013, Vaikšnoras took command of the Mechanized Infantry Brigade "Iron Wolf" and in 2016, he became the Chief of the Operations Department (J3) at the Joint Staff of the Lithuanian Armed Forces.