You will reverse-engineer the homegrown codebase, map WebSphere integration channels, become the primary SME, and then lead ongoing IBM i development, EDI modernization, performance work, and Tier-3 support. Maintain, configure, and expand IBM WebSphere middleware (MQ, Integration Bus / App Connect, B2B Integrator, or Partner Gateway) for automated EDI with shipping lines, customs, rail, and trucking.