As a surveyor assistant, you help conduct land surveys. As part of your duties, you may hold equipment as directed, call out readings, write numbers, mark distances, and use measuring devices as needed. Surveyor assistants usually work directly under field surveyors and travel to job sites as part of a larger team. While fulfilling your responsibilities, you may coordinate with other assistants, clear brush and trees, place stakes, and perform other tasks. Some surveyor assistants collect soil and water samples to test in labs. Being a surveyor assistant requires the ability to memorize and follow established guidelines and procedures.