Ask for a raise or leave

I’m a security engineer with 4 YOE. Currently working at a startup. Layoffs happening everywhere in big tech including at my startup.

Over the past few months, the IT support specialist, other security engineer, and my manager have been laid off due to restructuring + a tumultuous market. I’m the only IT/support/Engineer left in the company and I’m doing, well, everything.

Do I:

1. ask for a raise considering I’m doing senior level work now and also the jobs of …

big big tech cybersecurity doing engineer it support specialist layoffs manager market security security engineer startup support tech the company work working