Engineering Supervisor salary at Maricopa County

The average engineering supervisor salary at Maricopa County was $122,640 , which is 2 percent lower than the average salary for this job in Arizona, but 8 percent higher than the national average for this job . Engineering Supervisor salaries at Maricopa County typically range from $119,372 to $131,456 (25th to 75th percentile). The highest reported engineering supervisor salary was $134,368. There are 18 employees at Maricopa County with the job title engineering supervisor.