Duffield Associates is an award-winning engineering and science consulting firm specializing in civil, environmental, and geotechnical engineering; construction review and testing services. Established in 1976, we have delivered design and construction services to our clients that are creative, cost-effective, and sustainable. The firm's headquarters are located in a historic barn and farmhouse in Pike Creek Valley outside of Wilmington, Delaware. We have regional offices in Georgetown and Dover, DE; Philadelphia and Carlisle, PA; Thorofare, NJ and Bel Air, MD. Duffield is growing and looking to add to our team! Duffield Associates is an award-winning engineering and science consulting firm specializing in civil, environmental, geotechnical, construction consulting and testing services. We are growing and need qualified engineers, scientists and technicians to join our team. For more info on these opportunities, please visit the About Us section of our website at www.duffnet.com . Duffield Associates practices extensively in the areas of: -- Geotechnical Engineering -- Water and Natural Resources -- Environmental/Ecological Services -- Hydrogeology -- Civil Engineering -- Structural Engineering -- Construction Services -- Coastal/Waterfront Engineering -- Groundwater -- Water/Wastewater Engineering -- Nutrient Management -- Permitting Assistance -- Regulatory Compliance -- Brownfield Clean Up -- Phase 1 and 2 ESA -- Sustainability -- Landfills -- Retaining Walls Represented on staff are Civil Engineers, Hydrogeologists, Environmental Engineers and Scientists, Geotechnical and Construction Engineers, Structural Engineers, Coastal and Hydraulic Engineers and Scientists, Geologists, Wetlands Scientists and a technical support staff. Duffield Associates also has an AASHTO and USACE accredited soils and concrete testing laboratory and contemporary specialized field sampling and testing equipment.