As of April 01, 2026, the average annual salary for Assembly Engineer in Saint Louis, MO is $39,935, equivalent to $19 per hour, $768 weekly, or $3,328 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Assembly Engineer in cities like Santa Clara, San Jose, and Fremont.
Annually Salaries for Assembly Engineer in Saint Louis, MO vary widely, spanning from $33,821 to $46,606. Most professionals fall between the 25th percentile ($36,735) and 75th percentile ($43,427), while top earners (90th percentile) make $46,606 per year. This $6,692 pay gap underscores opportunities for salary growth through certifications, specialized skills like Commitment or Pneumatics, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Saint Louis Assembly Engineer often earn 1.7% lower than national averages. However, Saint Louis currently ranks 497 statewide for Assembly Engineer job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.