Marathon Petroleum Senior Plant Designers earn $110,000 annually, or $53 per hour, which is 14% higher than the national average for all Senior Plant Designers at $96,000 annually and 50% higher than the national salary average for all working Americans. The highest paid Senior Plant Designers work for Marathon Petroleum at $110,000 annually and the lowest paid Senior Plant Designers work for C&I Engineering at $105,000 annually.
The salary for Senior Plant Designer at Marathon Petroleum is $110,000 annually.
Marathon Petroleum pays the highest salary for the Senior Plant Designer position at $110,000 annually.
C&I Engineering pays the lowest salary for the Senior Plant Designer position at $105,000 annually.