Production Support / QA Engineer

Production Support / QA Engineer NTT DATA's client is seeking a Production Support / QA Engineer with strong experience in payment processing and terminal management systems. The ideal candidate will have hands-on experience with Ingenico / Castle terminals, the ability to debug trace logs, and a solid understanding of terminal estate management and deployment processes. This role requires a mix of support, QA validation, and troubleshooting skills to ensure seamless operation of payment devices and related systems.Day-to-Day Job Duties:Provide L2/L3 production support for payment terminals and related applicationsTroubleshoot and debug issues using trace logs and system diagnosticsSupport and validate payment processing workflows and transactionsManage and monitor terminal estate management systems (hosted tools)Perform QA testing and validation for terminal configurations and updatesLoad and configure payment terminals with OS and application componentsCollaborate with engineering, operations, and business teams to resolve issuesParticipate in incident management, RCA, and continuous improvement activitiesDocument issues, fixes, and standard operating proceduresBasic Qualifications:3–6 years of experience in Production Support / QA / Payments domainHands-on experience with payment terminals (Ingenico / Castle preferred)Strong understanding of payment processing systems and transaction flowsExperience in debugging logs and troubleshooting production issuesFamiliarity with terminal management systems (Estate Management tools)Experience in QA validation and testing processesStrong analytical and problem-solving skillsGood communication skills and ability to work with cross-functional teamsNice to Have (Preferred):Experience in banking / fintech domainKnowledge of POS systems and device lifecycle managementExposure to Linux-based systems or embedded environmentsExperience with ticketing tools (ServiceNow, JIRA)Understanding of networking basics related to payment terminalsEducation: Bachelor's degree in Computer Science, Information Technology, or equivalent experienceAbout NTT DATA Services: NTT DATA Services is a recognized leader in IT and business services, including cloud, data and applications, headquartered in Texas. As part of NTT DATA, a $30 billion trusted global innovator with a combined global reach of over 80 countries, we help clients transform through business and technology consulting, industry and digital solutions, applications development and management, managed edge-to-cloud infrastructure services, BPO, systems integration and global data centers. We are committed to our clients' long-term success.