About the job Senior EngineerSenior Engineer - KhenyaQualifications & ExperienceBSc in Computer Science / Information Technology5-8+ years experience as a Systems AdministratorSQL Certification (advantageous)Project Management Certification (recommended)Experience administering MS Windows Server environmentsExperience with EFT & eCommerce payment systemsProficient with ACIs Postilion EFT Transaction Switch suite:Real-Time Framework (v4.x & 5.x)Post Office, PostCard, Portal, TermApp, Postilion Active-ActiveKnowledge of payment card tech (EMV, magnetic stripe, contactless)Understanding of card types (debit, credit, pre-paid, gift cards)Knowledge of Hardware Security ModulesExperience with Postilion upgrades, migrations, monitoring, maintenanceStrong understanding of ATM, POS & mobile transaction flowsFamiliar with PCI DSS, PA DSS & ISO8583 protocolKnowledge of 3rd party interfaces (Visa, Mastercard, UPI, Bankserv, etc.)Key ResponsibilitiesSystem Configuration, Monitoring & SupportMaintain and configure Postilion EFT systemsEnsure SLA uptime targets are metImplement system changes under change controlMonitor production systems and respond to alertsManage EFT software installations and fault call allocationsDefine operational routines and service metricsConduct routine audits and system maintenanceSystem Release & TestingTest and validate new system releases and updatesEnsure accuracy of release/upgrade testingSecurity ComplianceEnsure full PCI and security task complianceExecute recurring security tasks (e.g. encryption key changes)Cross-Functional SupportResolve customer queries and provide technical supportAssist operations with environment prep for patchingSpecify, test, and implement new systems or upgradesConduct disaster recovery planning and testingDocumentation & Capacity PlanningMaintain up-to-date technical and DR documentationForecast and plan system capacity accuratelyQuality Assurance & SupervisionAlign test strategies with Postilion changesSupervise and QA junior engineer workClient CommunicationEstablish technical communication with clientsProvide clear and timely management/client feedbackWay of WorkEnsure proper formatting, spelling, and professionalism in all documentsAdhere to approval processes and meet all deadlinesTime-Sheet ManagementTrack time in Jira (Tempo), 8 hrs/day averageUse accurate project codesBusiness Risk ManagementComply with company policies and proceduresComplete all mandatory trainingProactively raise business risks to manager