# Payments Systems Support SpecialistDXC TechnologyFull-timeMississauga, Canada0 viewsPosted June 5, 2026## Job DescriptionLocation: Mississauga, CanadaJob Description:We are seeking an experienced Payments Systems Support Specialist to support and maintain business‐critical payment applications in a high‐availability environment. The ideal candidate will have strong hands‐on experience with HP NonStop systems and payment processing platforms, and be capable of working in a fast‐paced, challenging operational setting.Key ResponsibilitiesSupport, monitor, and maintain mission‐critical payment applications across POS, ATM, remote banking, DCC, and FX systems.Provide production support for payment platforms running on HP NonStop systems.Ensure high availability, performance, and stability of applications supporting financial transactions.Troubleshoot complex application and system issues and provide timely resolutions.Collaborate with cross‐functional teams to support business and operati...