Payments Systems Support Specialist (Mississauga)

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 quick‑paced, challenging operational setting.

Key Responsibilities

• Support, 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 operational requirements.
• Comply with PCI standards and security requirements.
• Particip...