Employee may be asked to walk on uneven surfaces, lift and carry up to 50 pounds, hike up and down steep slopes carrying up to 50 pounds of survey equipment, bend, squat, dig monument holes, pound in stakes and rebar monuments, carry and use brush cutting equipment, drive a four-wheeler or snowmobile, climb stairs, sit for extended periods of time, work at a computer terminal for extended periods of time, type/key-in data, and answer telephones frequently as needed. Mental Demands: The following mental demands are required to perform the essential functions of this job: concentrate, conceptualize, cooperative work with others/teamwork, detailed work, frequent task changes, irregular schedule as needed, learn new tasks, interruptive /distractive environment, perform multiple tasks simultaneously, reasoning, problem-solving, time pressures.