Physical Demands & Work Environment: Work is sometimes conducted in a laboratory setting, but may also involve fieldwork and exposure to outdoor conditions, including: Sites that may not be accessible by vehicle, requiring travel on foot through wetlands, swamps, grasslands, construction zones, and other uneven or rugged terrain with natural and man-made obstacles such as sand, brush, and debris. Your work helps teams understand whether materials meet project requirements and provides important information to engineers, field teams, and project managers.