System Analyst – SRE (BASE24 / Payment Switching )

• Ensure the high availability and performance of the BASE24 payment switching system through proactive monitoring and rapid incident response. • Design, implement, and maintain robust SRE practices for BASE24, focusing on automation, reliability, and scalability. • Troubleshoot complex production issues in the BASE24 environment, performing root cause analysis and implementing permanent solutions. • Develop and optimize deployment pipelines for BASE24, ensuring seamless and reliable releases with minimal downtime. • Years of Experience * 8 – 10 Minimum 8 years of relevant experience in production/application support, Site Reliability Engineering, infrastructure support for cards payment technology environments. Required Skills * Primary technical and functional skills • Payments domain: ATM Acquiring, Debit Card Authorization, POS and E-Commerce switching, card issuing/acquiring, EMV/contactless, clearing, settlement, reconciliation, chargebacks and disputes. • BASE24: BASE24 Classic and/or BASE24-eps, authorization processing, transaction routing, switch configuration, network interfaces and settlement processing. • Messaging and schemes: ISO8583, Visa, Mastercard, UAE Switch, tokenization and 3-D Secure. • Infrastructure and middleware: IBM MQ, APIs/web services, Linux/Unix/AIX, Windows Server, middleware and load balancers. • Databases: Microsoft SQL Server, Oracle and/or PostgreSQL; strong SQL development and performance-analysis skills. • Security: HSM, PKI, TLS/SSL, encryption standards, cryptographic key management and PCI-DSS. • SRE and operations: incident/problem management, RCA, observability, resilience, performance, capacity, automation and production readiness. • Tools and engineering: Dynatrace/Splunk/Grafana or equivalent, Python/Shell scripting, CI/CD, DevOps, Jira, Confluence and ServiceNow. • Strong analytical, documentation, communication, stakeholder-management and decision-making skills. • strong hands-on experience in SQL Server, Oracle, and PostgreSQL databases. • Ability to develop complex SQL queries, stored procedures, functions, views, and performance tuning scripts. • Expertise in transaction analysis, reconciliation reporting, authorization trace analysis, and settlement data investigation using SQL. • Experience in query optimization, execution plan analysis, indexing strategies, and database performance troubleshooting. Required Experience / Knowledge Areas * Specific domain or industry knowledge required • Minimum 8 years of experience in Banking and Payments Technology. • Minimum 5 years of hands-on experience supporting BASE24 or BASE24-eps platforms. • Strong experience in ATM Acquiring, Debit Card Authorization and payment switching environments. • Experience supporting Visa, Mastercard, UAE Switch and related scheme integrations or certifications. • Strong understanding of ISO8583 message processing and the end-to-end card-transaction lifecycle. • Experience supporting 24x7 high-volume, high-availability production systems and critical incidents. • Experience in requirements analysis, impact assessment, system integration, SIT/UAT, release management and production readiness. • Knowledge of PCI-DSS, security controls, HA/DR, RTO/RPO, performance and capacity management. • Proven collaboration with business stakeholders, technology teams, vendors and payment schemes. Skills BASE24 SQL PCI-DSS