AS/400 Production Support Analyst (Contract)

Key Responsibilities • Investigate payment, login, transaction, card, batch, and reconciliation issues. • Perform end-to-end transaction tracing across applications, databases, APIs, middleware, OS, networks, and downstream systems. • Analyze logs, SQL data, monitoring alerts, batch records, and file transfers to identify root causes. • Support SOD/EOD processing, production releases, deployments, service recovery, and DR exercises. • Perform infrastructure troubleshooting, OS/network/storage patching, server deployment, upgrades, and capacity checks. • Monitor applications, infrastructure, batch jobs, and interfaces using Splunk, Geneos, Control-M, and SQL monitoring tools. • Develop automation using Ansible, Shell scripting, PowerShell, Python, or SQL. • Manage Incident, Problem, and Change Management, including RCA and major incident recovery. • Coordinate with application, infrastructure, network, database, cybersecurity, business, and vendor teams. • Maintain SOPs, runbooks, incident reports, and compliance documentation. Requirements • 5+ years of banking/financial services experience in production support, application support, or infrastructure. • Strong experience in transaction troubleshooting, log analysis, SQL, RCA, and incident management. • Hands-on experience with UNIX/Linux, Windows Server, AIX, AS/400 and/or mainframe. • Experience with Splunk, Geneos, Control-M, monitoring, networking, VMware, backup and DR. • Scripting/automation experience with Ansible, Shell, PowerShell, Python, or SQL. • Strong communication and stakeholder-management skills. • Willingness to work 24x7 shifts/on-call and weekend or after-hours support. Preferred • Retail/Wholesale Banking, Payments, Core Banking, Cash Management, or Card Processing experience. • Exposure to Oracle/MS SQL, APIs, Middleware, MFT, Azure/AWS, cybersecurity and vulnerability management. • ITIL or relevant infrastructure/cloud certifications.