Master Planning Design Engineer, Drainage Engineer, Civil Designer, Residential Land Development, Storm Drain Design, Hydraulic Calculations, Civil 3D, AutoCAD, WQMP, BMP Design, PWQMP, FWQMP, Stormwater Infrastructure, Land Development Engineering, Corona CA Engineering Jobs. As a Master Planning Design Engineer, you will play a critical role in shaping residential land development projects throughout Southern California—leading drainage design efforts, coordinating with multidisciplinary teams, and driving projects from early planning through agency approval.