Senior Payments System Specialist Sandy Springs GA - Onsite Years Of Experience: 3 5 years of experience in development and/or implementation related to point of sale(POS) and payment processing. TheSenior Payments System Specialist is responsible for leading a team that ensures the stability, integrity, and efficient operation of the payment platform for the Arbys brand, with the goal of achieving high levels of guest satisfaction by monitoring, maintaining, supporting, and optimizing paymen