Senior JDA MMS / AS400 Consultant

About The Role

We are seeking an experienced Senior JDA MMS / AS400 Consultant to join a large retail organization in Phoenix, AZ on a hybrid contract basis. In this role, you will provide functional and technical expertise to support, enhance, and optimize the JDA Merchandise Management System (MMS) running on the IBM i (AS400) platform. You will work closely with cross-functional teams across Merchandising, Supply Chain, Finance, and IT to deliver reliable, high-integrity retail merchandising solutions.

What You'll Do

• Provide deep functional and technical expertise across JDA MMS modules — including Items, Pricing, Promotions, Markdowns, Inventory, and Sales Audit
• Support and optimize AS400/IBM i batch processing, troubleshoot issues, and manage system performance
• Lead system enhancements, configurations, and integrations with POS, E-commerce, WMS, and Reporting Platforms
• Collaborate with Merchandising, Supply Chain, Finance, and IT teams for requirements gathering, testing, and production support
• Drive system upgrades and lead production support efforts in large-scale retail environments
• Ensure data integrity, auditability, and accuracy of merchandising and financial transactions

Requirements

• 7+ years of hands-on experience with JDA MMS on IBM i (AS400)
• 10–20 years of overall IT/systems integration experience in retail or similar environments
• Strong knowledge of Retail Merchandising processes
• Proficiency with RPG/CL, SQL, Batch Jobs, and system integrations on IBM i
• Proven ability to lead troubleshooting, upgrades, and production support in large retail environments
• Experience leading integrations with POS, E-commerce, WMS, and reporting platforms
• Experience working cross-functionally with Merchandising, Supply Chain, Finance, and IT stakeholders
• Strong commitment to data integrity, auditability, and accurate financial transaction processing

Pay

• Pay rate: $70–$75/hour (W2)

Schedule

• Contract engagement with a leading retail organization
• Location: Phoenix, AZ — Hybrid on-site arrangement
• On-site presence required 3 days per week: Tuesday, Wednesday, and Thursday
• Remote work permitted Monday and Friday