Battalion Chief Sickler has been a lifelong resident of Winslow Township, Joining the Sicklerville Volunteer Fire company in 1988, In 2008 he was hired as full-time career firefighter. He was made a provisional Lieutenant and then Captain serving on Squad 25 Platoon A. Following that in 2022 he was promoted to Battalion Chief overseeing the operations of the career firefighters and administering many projects and programs.