County of Sonoma Senior Engineer Salary: $137,165 - $166,719 Annually Closing Date: Continuous Build your public works engineering career with the County of Sonoma! Senior Engineers in SPI's Roads Division are exposed to a myriad of engineering projects that include bridge and road construction, traffic engineering, and hydrology. As a Senior Engineer, you will monitor the progress of engineering/construction traffic and land development projects, ensuring they comply with applicable State an...