As of April 01, 2026, the average annual salary for Plastic Engineer in San Jose, CA is $114,344, equivalent to $55 per hour, $2,199 weekly, or $9,529 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Plastic Engineer in cities like Santa Clara, San Jose, and Fremont.
Annually Salaries for Plastic Engineer in San Jose, CA vary widely, spanning from $99,342 to $133,500. Most professionals fall between the 25th percentile ($106,491) and 75th percentile ($124,371), while top earners (90th percentile) make $133,500 per year. This $17,880 pay gap underscores opportunities for salary growth through certifications, specialized skills like Analysis or Design Engineering, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, San Jose Plastic Engineer often earn 14.4% higher than national averages. However, San Jose currently ranks 2 statewide for Plastic Engineer job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.