The City of Los Angeles is an Equal Employment Opportunity Employer. Jobs With Social Security.How to File an Application for Employment. Advise workers that they are required to apply for a Social Security number and card. What noncitizens can apply for a Social. Use The Work Number to verify the employment and income information in real time to provide clients the right government assistance in their time of need. You cannot ask employees to provide a specific document with their Social Security number on it. Not all forms are listed.