Prior to his selection as Command Chief Warrant Officer, Schirmer served for 34 years as a dual-status federal technician in charge of the New York National Guard's Combined Support Maintenance Shop. Technicians are federal employees who support the National Guard and must also serve in the National Guard as a condition of employment.
As a Guard Soldier he has served as Electronics Platoon Sergeant in the 134th Maintenance Company; the Electronics Platoon Leader, Logistical Maintenance office for Headquarters Company of the 42nd Infantry Division, and Electronic Maintenance Officer in the 642nd Aviation Support Battalion, and Logistical Maintenance Officer for New York National Guard Joint Forces Headquarters.
Schirmer deployed to Iraq in 2005 as Logistical Maintenance Officer for the 42nd Infantry Division. He also served in Saudi Arabia and Iraq in 1990/1991 during Operation Desert Storm.
His awards include the Army Commendation Medal, the Humanitarian Service Medal, the Iraq Campaign Medal, the National Defense Service Medal, the Southwest Asia Service Medal, and the Global War on Terror Service Medal.
Schirmer and his wife Maureen have two daughters and three grandchildren.