In some cases federal law could apply, especially if your work involves the federal government.
Moreover, I suggest you read your contract, it spells out how most disputes are to addressed.
You might learn that you've agreed to mediation rather than lawsuits.
Even that provision can be overcome in some situations, nevertheless, your contract is determinative to a point.
Unless you're a high level, big time, big bucks, muckity muck; more than likely the law won't be involved.