Struggling with life in general after the cancer

Hi everyone. I haven’t posted for a long time. But because you all have been through something similar I’m hoping you can relate. I had my cancer 4 years ago. Seminoma that spread to lymph nodes in my abdomen.I had 3 x BEP. Since then I have struggled with work. I’m an Electrician and I mostly work on contstructuon sites around the country. Before I was I’ll I was a site supervisor but I also worked on the tools. Since being I’ll I’m not the same. I can’t cope at work. I can’t handle stress. I get anxiety and stressed easier, I have panic attacks. I had to leave my job after things went bad and then got another job. I also had a bad experience there too. I could not cope and ended up having my contract terminated. I get lack of focus, low mood, anxiety, depression, fear of everything and obsessive thoughts. I don’t know what to do about work because I don’t think I can cope with working away from home all the time. So I don’t know if I should look for an easier job. But also an easier job is going to pay less. Then I’ll stress about money. I just seem to have no bounce. No urgency in myself. I’ve lost something within. I’m having panic attacks just looking for jobs. I have absolutely no confidence and all I keep thinking is, whatever job I go to, I’m just going to make a huge mess of it because I won’t cope. I’ve always had anxiety all my life. But before the cancer I would just get on with things and not let it stop me. Now I have lost that. I dod have low testosterone for a while and I managed to get it to rise naturally with a better diet and better sleep habits. But I struggle to maintain this. Any advice would be appreciated. I don’t know if I should battle on and look for another job doing the same thing or if I should try and come to terms with the fact that it’s not for me anymore.  Or am I just giving up? I really don’t know.