Heat Treat Operator - 2nd Shift The Heat Treat Operator isresponsible for performing various thermal processes for alloys of Aluminum,Titanium, Steel, and Inconel to support downstream forming processes and toachieve a final temper or condition per customer specifications. Who are we? Founded in 1849, Ducommun is the oldest company in California. Starting as a hardware supply store during the California Gold Rush and eventually assisted in the birth of the aerospace industry in Southern Californ