Under General supervision, creates basic to moderate complexity engineering designs involving site layout development, site grading and drainage, hydraulics and hydrology calculations, water distribution systems, collection systems, storage tanks and impoundments, foundation designs, stormwater infrastructure and treatment, and occasionally single-story structures. Reviews draft designs for compliance with federal, state and local regulations. Ensures that firm policies and practices are followed on all designs. Performs site reviews and studies, as needed, to ensure designs are aligned with location specifications. Updates design requirements as necessary. Contributes to firm's TKM by developing white papers and technical design documentation of new or special case designs, studies, etc.. Submits technical papers and designs for publishing to technical journals. Attends conferences, symposia, etc. to improve the visibility of the firm's products and services in collaboration with applicable sales staff. Performs other duties as required. Provides technical guidance and training to more junior staff. Reviews the work of more junior staff.