As of August 01, 2026, the average salary for a Senior Refinery Operator in Durham, CA is $87,580 per year, which breaks down to an hourly rate of $42.
However, a Senior Refinery Operator's salary can vary significantly. Here’s a look at the typical salary range:
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A Senior Refinery Operator's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location, and company size can directly affect your earning potential.
Experience is a primary driver of a Senior Refinery Operator's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here's how the average salary grows at different career stages:
| Job Role | Years of Experience | Average Salary |
|---|---|---|
| Junior Refinery Operator | 0-1 years | $61,867 |
| Refinery Operator | 1-3 years | $72,901 |
| Senior Refinery Operator | 3-5 years | $87,599 |
| Oil Refinery Operations Supervisor | 5+ years | $117,919 |
| Oil Refinery Operations Manager | 5+ years | $154,614 |
What Am I Worth?
Senior Refinery Operator salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $102,046. While startup companies pay approximate $86,421.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $86,421 |
| Growth Stage | 51~500 | $91,373 |
| Established | 501~5000 | $98,581 |
| Enterprise | 5000+ | $102,046 |
Understanding how a Senior Refinery Operator's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.
Last Updated on August 01, 2026For a Senior Refinery Operator, the most direct path to higher earnings is advancing to the Oil Refinery Operations Supervisor role. This promotion typically comes with a significant pay increase, bringing the average annual salary to $118,000 - a projected growth of 35% over your current level.
Ready to take the next step in your career? Browse thousands of current Senior Refinery Operator job openings on our job board. Use the search bar below to find your perfect match.
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