Job Description
We are seeking a skilled Senior Testing Analyst with deep hands-on experience in validating and certifying ATM and payment switch environments using ACI Base24-eps, ASSET simulation tools, and advanced automation frameworks.
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The ideal candidate will have a strong understanding of the payment processing lifecycle, ISO 8583 messaging, and complex ATM device handler configurations. You will be responsible for end-to-end testing of ATM transactions, ensuring seamless payment experiences, and maintaining high availability within our core banking infrastructure.
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Key Responsibilities
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- ATM Device Handler & Switch Testing: Execute end-to-end test cases on ATM device handlers and Base24-eps switch configurations. Validate the successful interaction between the terminal, the switch, and the host.
- Automation Framework Execution: Utilize the Paragon ASSET simulator to build, execute, and maintain automated regression suites. Shift from manual testing to scalable, high-volume automated transaction simulation.
- Transaction Validation: Validate complex financial transactions across multiple card brands (Visa, Mastercard, Discover, Interac) ensuring integrity in ISO 8583 message formatting and bitmap data.
- Environment Readiness: Configure and manage test environments, including updating ATM switch parameters, device handler versions, and simulator configurations.
- Defect Management: Identify, document, and track defects within the Base24-eps ecosystem using standard defect management tools; perform root-cause analysis on failed transactions.
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Required Skills & Experience
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- Core Payments Knowledge: Strong understanding of payment processing systems, credit card transaction flows, and ISO 8583 standards.
- Technical Expertise: Proven, hands-on experience with ACI Base24-epsconfiguration and environment management.
- Simulation & Automation: Expert-level experience with ASSET simulator for ATM and host simulation, and experience writing/maintaining automated test scripts.
- ATM Testing: Significant experience in testing ATM device handlers and troubleshooting the communication handshake between hardware and the payment switch.
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Collaboration: Ability to work collaboratively with cross-functional teams to ensure the stability of the payment infrastructure.
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