Salary.com is showing $122K for a Software Engineer IV (I couldn’t find Sr. Software Engineer!) in Irvine. So, I think you’re not being unreasonable at all. You might want to play with Salary.com (or other sites) and see what you come up with. For example, you may or may not agree that Software Engineer IV is equivalent to Sr. Software Engineer.
I’m a Senior Software Engineer (C#/MVVM/math) in San Diego and currently making $115K, but then I’m underpaid in return for a (relatively) stress free job and (supposedly) generous equity position. My own research indicates that $125 would be more appropriate in San Diego. So perhaps OC and San Diego are the same? Good luck!
