I became familiar with software in the lab. Thank you Cindy Selfe. She taught both classes and did an excellent job. I don't think these classes were required at any time. I think the very most important factor in my career is the possession of a good attitude.
Good attitudes motivate the people at work.
The basic skills I've listed and a good attitude allow you to learn and advance. A sense of humor is invaluable. This also applies to the next question. Reading, writing, and speaking. Basic grammar and editing skills, writing skills.