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.