Need opinion: got laid off, offered a job at great company, but months away due to security clearance process

Hi everyone,

I just want your opinion, really appreciate it. I'm a mechanical engineer (4 years experience, still fresh out of college), got laid off in April. I got a job offer early this month for a company that I've always wanted to work with, with a really generous pay, but it won't start until November since it requires them to get me a security clearance. I've already accepted the offer because I don't have a job, and I'm single, have been saving the unemployment and stimulus check, and it's nice to have an extended vacation ; ) Financially I'm okay until then. Now, I think it's unethical to still try to get another engineering job because it's expensive for a company to hire and train me, just for me to jump ship in 4 months. I'm still applying to another company since it's good for practice interview, but I doubt I'll get something with a better offer (or any offer for that matter), and you all know how exhausting it is to find a job. I've been taking classes to beef up my resume, and I'm thinking to get a retail job until then so I don't keep taking unemployment. Do you think this is a good decision? What do you think is a better alternative and what's you reasoning? I'm posting this question because other people (you guys) have other perspectives and things I might not know about, so I truly appreciate your inputs :) Thanks three thousands!

usa jobs
usa jobs resume
usa hotel jobs
usajobs
usa jobs federal government
usa job in ksa
usa jobs
usa jobs login
usa jobs gov
usajobs.gov
www.usajobs.gov
usajobs.com
usajobs
usajobs.gov official