I have done my PDGM (Marketing, Supply chain, retail) and having 2 years of sales & marketing experience. Can I migrate to SAP? &Which Mod.?

I had worked on SAP R3 IS, MM and CRM with my previous employer for 1.5 yrs as an end user. I feel confident working with sw packages and thinking of making a career switch as a SAP Fun. consultant. I had done my BSc in Bio-Tech, will this be a prob. in job search? Kindly adv. me with best module.