What does a great Client Support Tier 2 - Sr. Professional II do? Our Point of Sale (POS) Client Services team is responsible for supporting the operational needs of our Banking clients throughout the US. Our clients are Merchants and Financial Institutions (FIs) that utilize Fiserv debit card processing products and services. Our group provides email and phone support in areas such as ATM/debit card production and processing, settlement, out of balance, reports, database set-up, client notifications and file transmissions. Each Client Service Representative should have an understanding of our product/services and utilizing various systems and platforms to service the client inquiries and support requests while working closely with various internal groups.