POSITION SUMMARY. The primary responsibility of the Asphalt Field Technician is to monitor and test the production of asphalt mix and asphalt placement to meet specifications and C.J. Miller, LLC standards. The Asphalt Field Technician will perform various duties on-site, at the asphalt plant, and/or in the asphalt lab. ESSENTIAL JOB DUTIES. Performing density testing on various C.J Miller job sites. Sampling asphalt mixes. Performing visual and ...