As of October 01, 2026, the average annual salary for Security Systems Engineer in Saint Louis, MO is $88,750, equivalent to $43 per hour, $1,707 weekly, or $7,396 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Security Systems Engineer in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for Security Systems Engineer in Saint Louis, MO vary widely, spanning from $74,160 to $107,078. Most professionals fall between the 25th percentile ($81,113) and 75th percentile ($98,344), while top earners (90th percentile) make $107,078 per year. This $17,231 pay gap underscores opportunities for salary growth through certifications, specialized skills like Analysis or Azure, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Saint Louis Security Systems Engineer often earn 1.7% lower than national averages. However, Saint Louis currently ranks 484 statewide for Security Systems Engineer job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.