After Bachelors degree, I need to do something that is the fastest with quality

After Bachelors degree what is the best educational paths for a better job or career? I don’t want to start all over but want to focus on a career that ensures a career afterwards. I need to do something that is the fastest but a quality education.

you can find

• MSc 1 year
• Diploma courses without Thesis
• Good Certifications like Network, Security, Oracle and more