As of April 01, 2026, the average annual salary for Firewall Engineer in Illinois is $85,448, equivalent to $41 per hour, $1,643 weekly, or $7,121 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Firewall Engineer in cities like Santa Clara, San Jose, and Fremont.
Annually Salaries for Firewall Engineer in Illinois vary widely, spanning from $71,631 to $97,667. Most professionals fall between the 25th percentile ($78,216) and 75th percentile ($91,844), while top earners (90th percentile) make $97,667 per year. This $13,628 pay gap underscores opportunities for salary growth through certifications, specialized skills like Analysis or Python, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois Firewall Engineer often earn 1.9% higher than national averages due to demand from Fortune 61 companies. However, Illinois currently ranks 14 nationwide for Firewall Engineer job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
