ATSER is seeking a skilled and safety-focused CMT Drilling Operator to support geotechnical and construction materials testing activities on infrastructure projects. In this role, you will operate geotechnical drilling and coring rigs to collect soil, rock, concrete, and asphalt samples that are critical for engineering analysis and project quality assurance. The ideal candidate will have hands-on experience with field drilling operations, a strong mechanical aptitude to maintain and repair drilling equipment, and the ability to interpret boring logs, site plans, and safety documentation. This position requires a dependable professional who is comfortable working outdoors in varying weather conditions, capable of lifting heavy equipment, and committed to maintaining a safe and efficient work environment while supporting project teams in the field.