After graduating from Penn State University, Kozloski worked for Westinghouse in Sharon for a year.
On 26 September 1944 he married Bertha S. Anisko and later worked for Kellett Autogiro Corporation in Philadelphia until being drafted into the Navy.
After the war he joined with Jovanovich in forming HERC and moved with him to McCulloch's for a time.
In the mid-1950s Kozloski opened his own machine shop in California and worked for a number of years for the Hughes Aircraft Corporation.
In the late 1950s Kozloski returned to Pennsylvania and worked for Boeing as a technical representative for the Bomarc Missile Program.