As the selected CAD operator, responsibilities include understanding written and verbal instructions, drafting technical drawings and blueprints, implementing feedback from engineers and technicians, visiting sites, keeping up-to-date with CAD software, and working long hours to meet deadlines. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.