How do I handle judgement from employers about my spent criminal record stopping me from applying for jobs?

Long story cut short I made mistakes in my younger years and have had no criminal record for over 5 years. However employers don't want to hire me and when they find out some of them even fire me understandably. But this has effected my feeling of belonging in the corporate world. Should I stop applying for admin roles and start small again? How do I handle judgement without feeling embarrassment? Also I have a MSc in neuroscience and ideally would love to find a job in my field. My record will be clean in 7 years… but till then I have these issues above… please help 🙏 thank you for reading all this God bless you.
How do I handle judgement from employers about my spent criminal record stopping me from applying for jobs?
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