Analyze and reverse engineer IBM i/AS400 COBOL applications, DB2 schemas, business rules, batch processing, job dependencies, and SQL access patterns. Document system behavior and technical flows, configure QA/UAT environments, prepare and validate test data, and support modernization teams. Collaborate with onshore IBM i leadership while independently owning system analysis, test environments, datasets, and assigned modules.
HIRING | SENIOR IBM i / AS400 SPECIALIST – CORE MODERNIZATION
Location: Remote / Offshore – India
Experience: 12+ Years
Budget: ₹1.8–2.0 LPM
Employment: Contract / Project-Based
Shift: US Shift | Minimum 4 Hours Overlap
ROLE OVERVIEWWe are looking for a Senior IBM i / AS400 Specialist with strong hands-on expertise in COBOL, DB2 for i, SQL, and Python on IBM i. You will work as the offshore execution arm of the Onshore IBM i Lead, focusing on legacy system analysis, COBOL reverse engineering, business logic discovery, system dependencies, documentation, test environments, and test-data preparation.
• Analyze DB2 for i schemas, files, tables, relationships & data structures
• Reverse engineer complex COBOL applications and business rules
• Trace Policy, Transaction & Line-of-Business processing flows
• Analyze batch jobs, job queues, scheduling & dependencies
• Review SQL queries, database access patterns & performance
• Document actual system behavior and technical/functional flows
• Configure/manage IBM i/AS400 QA/UAT environments
• Generate and validate realistic test data
• Support QA/UAT environment and data readiness
• Collaborate with Onshore IBM i SME/Lead and modernization teams
MANDATORY SKILLS 12+ years IBM i / AS400 experience
Strong COBOL on IBM i/AS400
Python on IBM i – Mandatory
Strong DB2 for i & SQL
Legacy application reverse engineering
Batch processing, job queues & scheduling
AS400 test environment & test-data management
Excellent spoken/written English & communication
Not a Cloud, DevOps, Kubernetes, or generic backend role.
30 Days: Understand architecture, COBOL programs, DB2 schema & begin documentation.
60 Days: Independently own system analysis, test environments & datasets.
90 Days: Own assigned modules end-to-end and deliver validated modernization-ready documentation.
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