I think you missed the point
Just because you work in a cost center does not mean you don't bring value, aren't needed. It just means that on the accounting sheet you cost a company rather than make them money. Nothing wrong with that.
If a company didn't need cost centers everyone would be out of a job. IT, HR, Accounting, Building Maintenance.....
As lowly support staff you may not be outwardly appreciated where you work, that is a culture issue.Frankly a lot of it has to do with your attitude. You have to be happy helping people. You have to be able to help people without making them feel stupid. To your bosses, you must appear to be able to solve problems faster and more accurately...
No matter what your job is, it is what you make out of it. You sound like you are letting your job dictate your destiny.
