Junior, Assistant, and Professional Engineer - Well, Septic & Grading – County of Sonoma $9,179 - $12,145/Monthly* Are you a self-starter, tactful, patient, and possess a sense of humor? Bring your civil engineering training and experience to the County of Sonoma! Starting salary up to $69.83/hour ($145,743/year), depending upon level, and a competitive total compensation package!*   Permit Sonoma is the County's land use planning and development permitting agency. Virtually any land development or construction that takes place in the unincorporated area of Sonoma County (outside the city limit