Principal Geotechnical Engineer AtlasPrincipal Geotechnical EngineerRiverside, CA$150,000–$225,000 / yearLead geotechnical design, investigation, and analysis for buildings and infrastructure projects, including residential/commercial buildings, bridges, highways, railways, airports, pipelines, and levees/basins. Direct and supervise subsurface explorations, laboratory testing, geotechnical data interpretation, and instrumentation monitoring programs to ensure high-quality, timely, and within-budget project delivery.