Overview. WIRELESS SALES ASSOCIATE (MOBILE EXPERT) PART-TIME OPPORTUNITY. Who are we. OSL is a dynamic, people-driven company providing outsourced sales services for some of North Americas biggest Fortune 500 companies. We hire passionate people looking for their next big career challenge. Our culture is our foundation. Passionate employees, great customer service and long-term relationships is the foundation of the OSL Family. The Situation. Wal...