When Nazi Germany invaded the Soviet Union, Baramzina entered a six-month nursing course and attempted to enlist in the military. Initially refused entrance into the army, she went on to graduate with honors from a sharpshooting course, leading to her being accepted into the Central Women's Sniper Training School in June 1943. After graduating from the school in March 1944 she was deployed to the Western Front as a sniper in the 252nd Rifle Regiment. Having arrived on the warfront on 3 April 1944, she soon made her first kill within a week, and quickly accumulated her tally to 16 kills with a sniper rifle. However, with her eyesight deteriorating, she left sniper duties, but not wanting to be demobilized, she requested to be reassigned as a telephone operator at a command post in her regiment instead. In addition to being a telephone operator, she was also entrusted with repairing telephone lines; while doing so under heavy enemy fire in May 1944 she noticed enemy forces approaching her battalion's rear, and managed to warn her commander before he fell in battle before helping lead a counterattack. Later, during a forceful reconnaissance mission in late June, she repaired the command post's telephone line fourteen times despite facing intense artillery fire.