Job Description
Senior BASE24-eps Engineer
We are looking for an experiencedSenior BASE24-eps Engineerwith a minimum of5+ years' hands-on ACI BASE24-eps experienceto work within a high-volume banking and payments setting.
You will support, troubleshoot and maintain a business-critical BASE24-eps environment while also developing, customising and enhancing payment functionality.
Key responsibilities:
Provide hands-onL2/L3 production supportfor BASE24-eps
Investigate and resolve payment transaction failures and production incidents
PerformRoot Cause Analysis (RCA)and implement permanent fixes
Develop, customise, configure and enhanceBASE24-eps
SupportATM, POS, EFT and card payment processing
Troubleshootauthorisation, routing, switching, settlement and reconciliation
Support interfaces withVisa, Mastercard, payment networks and host banking systems
Monitor system health, performance and transaction processing
Support releases, deployments, upgrades and payment scheme changes




Participate in testing and implementation of BASE24-eps enhancements
Support high availability, DR and failover activities
Work within a24x7 production support environment
Work closely with development, infrastructure, QA and payments teams
What we're looking for:
Minimum5+ years' hands-on BASE24-eps experience
Strong BASE24-epsproduction supportexperience
Hands-on BASE24-epsdevelopment/customizationexperience
Strong knowledge ofpayment switching and card transaction processing
Experience withATM/POS acquiring and EFT
Understanding of theend-to-end card transaction lifecycle
Experience troubleshooting high-volume payment environments
Strong Incident, Problem and Change Management experience
Banking or Financial Services experience
Strong communication and problem-solving skills

📌 Base24-Eps Engineer (Melbourne)
🏢 The Oss Group
📍 Melbourne