As of January 01, 2026, the average annual salary for Plant Engineer in Pennsylvania is $90,351, equivalent to $43 per hour, $1,738 weekly, or $7,529 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Plant Engineer in cities like Santa Clara, San Jose, and Fremont.
Annually Salaries for Plant Engineer in Pennsylvania vary widely, spanning from $76,199 to $103,469. Most professionals fall between the 25th percentile ($82,943) and 75th percentile ($97,218), while top earners (90th percentile) make $103,469 per year. This $14,275 pay gap underscores opportunities for salary growth through certifications, specialized skills like Standard Operating Procedures or Continuous Improvement, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Pennsylvania Plant Engineer often earn 0.5% lower than national averages due to demand from Fortune 61 companies. However, Pennsylvania currently ranks 19 nationwide for Plant Engineer job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.