Physical Demands/Requirements: Maintain emotional control under stress; work with frequent interruptions/deadlines; frequent sitting, standing, walking, climbing, balancing, pulling and pushing; reaching, repetitive hand motions, hearing, speaking clearly, visual acuity and prolonged data input; occasional lift/carry light, moderate 15-44 pounds. Work Environment: Frequent exposure to: temperature extremes, humidity extremes, noise, low or intense illumination, vibration, biological hazards, working on uneven surfaces, working alone, working prolonged or irregular hours.