One of the things that's important in 'liking' your job is having job satisfaction; this is different than job security. Job satisfaction for me this means enjoying what and do and who I work with. I am in mortgage banking and my company works towards affordable housing options for consumers, where people live. Taking care of communities and people is important to everyone and the generations to come.
You mention wanting to become a welder, if this makes you happy, follow your dream. You might look into doing an apprenticeship or internship to ensure that this is something you truly want to do long term. If you have other interest do the same, this will help you determine your long term career goals.