The average fire engineer salary at Brea was $326,973 , which is 29 percent higher than the average salary for this job in California, and 253 percent higher than the national average for this job . Fire Engineer salaries at Brea typically range from $313,003 to $364,754 (25th to 75th percentile). The highest reported fire engineer salary was $449,721. There are 9 employees at Brea with the job title fire engineer.