Field Activities : Perform observations, testing, inspections, and sampling of various construction materials, including soils, aggregates, concrete, grout, masonry, asphalt and structural steel placement; Execute tasks based on project requirements under the guidance of senior technicians, staff professionals, and project managers; Inspections may also be conducted in fabrication facilities. ECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #144 in Engineering News-Record’s Top 200 Environmental Firms (October 2026) and #38 in Zweig Group’s Hot Firm List (June 2026).