Applications are now being accepted for a Principal Project Manager in the Projects Division at Ada County Highway District in the Boise, Idaho area. This is a full-time, exempt position with a starting salary range of $85,280 - $98,176, DOQ. SIGN ON BONUS ELIGIBLE!   This position includes an excellent benefit package with medical, vision and dental insurance, paid vacation and holidays and membership in the Public Employee Retirement System of Idaho (PERSI).   Primary Duties: Under the general direction of the Project Management Supervisor, a Principal Project Manager (PPM) is responsible for scope, schedule and budget of all phases of the District&rsquo