Job Description
Overview
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Our client is seeking an experienced Senior Payments Engineer to develop and enhance a large-scale payments environment within a regulated enterprise. This role will focus on the configuration, integration, and support of Connex Payments platforms, ensuring high availability, security, and performance across critical payment services.
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Base pay range
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A$1,******/daily - A$1,******/daily
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Responsibilities
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Develop and enhance a large-scale payments setting within a regulated enterprise.
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Configure, integrate, and support Connex Payments platforms to ensure high availability, security, and performance of critical payment services.
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Required Skills & Qualifications
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Min 5 years' experience developing FIS Connex or similar EFT/switching platforms.
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In-depth knowledge of ISO ****, EMV, and card payment transaction flows.
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Proficiency with Linux/Unix environments, shell scripting,



and system administration.
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Experience with network protocols (TCP/IP, TLS, VPN).
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Familiarity with ATM/POS terminal protocols and host interfaces.
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Strong troubleshooting, analytical, and problem-solving skills.
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Experience in financial services, banking, or payment processing environments.
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Nice-to-Have Skills
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Knowledge of other switching platforms (e.g., ACI Base24, Postilion, Way4).
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Experience with fault-tolerant architecture.
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Exposure to API integration, microservices, or message queues.
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Understanding of card issuing/acquiring systems.
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Education & Experience
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Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent experience.
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#J-*****-Ljbffr

📌 Senior Payments Engineer (New South Wales)
🏢 Hydrogen Group
📍 New South Wales