The role applies established methods, regulations, and project requirements with limited senior-staff guidance; plans and completes assigned tasks within scope, schedule, budget, quality, and safety requirements; provides basic direction to junior staff and oversight of subcontractors; and coordinates with project leadership, laboratories, clients, and internal stakeholders. Expected Outcomes: Plan, perform, and lead routine field activities, including field documentation, lithologic logging, soil and groundwater sampling, groundwater monitoring, and monitoring-well installation; select appropriate sampling locations, equipment, and techniques with limited senior-staff guidance.