Chris Williams, a former Microsoft VP of HR, said your company might feel like they've been held hostage if forced to make a counteroffer to keep you.iStock; Rebecca Zisser/BIUsing a competing job offer to negotiate a raise can damage trust with your employer.Employers may feel betrayed and view you as a flight risk, limiting future opportunities.Negotiating salary at the job offer stage rather than seeking counteroffers later is better.If you'r…