This is a difficult position to be in; but let’s try to get the most from a less than suitable situation. At least, let’s hope what you are doing is at least putting the bread on the table.
I’m not sure I believe the situation, but are you burning out—to use an all to frequently used cliché, in a career path that initially challenged you, but no longer does?
Consider discussing this with your management. They might just have the answer you are looking for. Maybe the direction is a tangent to your current duties and responsibilities. Maybe there is room for additional responsibilities that can be added to your existing load that would tend to breathe new life into the somewhat routine day you find yourself facing. Sometimes what is needed is some sort of refresher training or just some cutting edge approaches to the current routine.
If there aren’t other avenues open due to size or maturity of the organization; your situation could be a hard nut to swallow.