I majored in history and have always worked in technology, I started in Product Management at Amazon and later switched to marketing and later operations. Unless you have a highly specialized major i.e. some engineering and stem fields it is usually common that one doesn't work in their field of study, especially if you had more of a liberal arts focus.
I've hired 50+ people in the past 6 years and it is rare that I put much focus on a candidate or employees college major and I think that is very common after one's first job after university.
The CEO of LinkedIn never graduated from college, nor did Bill Gates or Mark Zuckerberg and while that may be an except or the fact that each was exceptional the fact is even for comp science very little of what you learn in terms of hard skills at college will be relevant more than a few years after graduation.
I learned how to code in high school and didn't take any courses in college. I taught myself some additional skills after college but today I rarely use anything more than a few SQL queries. Most developers are using coding skills they either taught themself or learned on the job. When I graduated 20 years ago HTML was just starting to get taught in undergrad, JAVA was usually not offered and companies like Amazon would have a 3 month boot camp for all new engineers for them to learn Amazon's proprietary code base.
I had a friend who majored in geography and he actually worked for Mapquest verifying roads and in some cases manually drawing maps to help improve their software but that stopped after a couple of years and he's in management now.