Base24 Maintenance & Production Support Engineer

Greymatter Innovationz helps you stay digitally relevant across domains, technologies, and skillsets, every day. We are looking for: Base24 Maintenance & Production Support Engineer • Location: LATAM (Remote) • Duration: Long-term Job Description We are seeking a highly skilled Base24 Maintenance & Production Support Engineer to ensure the operational stability, continuous availability, and performance optimization of our high-volume payment switching environment. In this role, you will focus on Level 2/Level 3 production support, proactive system monitoring, incident resolution, and deployment validation. The ideal candidate will bridge the gap between traditional payment environments (HP NonStop/Tandem) and modern infrastructure, leveraging modern DevOps practices to streamline monitoring, automation, and release processes. Key Responsibilities • Provide L2/L3 production support for Base24/Base24 Classic payment switch applications across ATM, POS, authorization, and settlement streams. • Investigate and resolve critical production incidents, transaction failures, and performance bottlenecks within strict SLAs. • Analyze application logs, system dumps, and transaction traces (ISO 8583) to execute quick corrective actions. • Manage production releases, change implementations, and deployment validations using modern DevOps pipelines and CI/CD environments. • Maintain and optimize automated monitoring tools, alert systems, and dashboards to proactively catch system anomalies. • Coordinate with Network, Security, and Database teams to manage Visa/Mastercard certifications, connectivity testing, and PIN/cryptographic key exchanges. • Participate in a 24x7 on-call support rotation for critical incident response and scheduled maintenance windows. Required Technical Skills & Experience (5+ Years) • Base24 Core: 5+ years of hands-on production support experience with Base24 or Base24 Classic in high-volume environments. • Platform: Strong proficiency with HP NonStop (Tandem) systems, including Guardian, OSS, Pathway, and TACL scripting. • DevOps & Automation: Practical knowledge of DevOps methodologies, CI/CD environments, and modern tracking/monitoring tools (Git, Jira, ServiceNow, or equivalent). • Data & Language Exposure: Good understanding of Enscribe, DDL, SQL, and comfort reading/debugging COBOL, SCOBOL, or TAL code during root-cause analysis. • Payment Ecosystem: Deep understanding of ISO 8583 messaging, card BIN tables, HSM devices (Thales/SafeNet), and clearing/settlement workflows. Nice to Have • Basic understanding or exposure to .NET web services/applications that interface with core payment systems. • Experience migration or support exposure involving Base24-eps environments. At Greymatter Innovationz, We offer: Motivating Work Environment. Excellent Work Culture. Help you to upgrade yourself to the next level. And More!!!