AS400 Test Engineer

Tata Consultancy Services; Pune District, Bengaluru; On-site; INR 900,000 - 1,200,000; Full time

Job summary

Tata Consultancy Services (TCS) invites applications for an AS400 Test Engineer to join our Pune/Bangalore teams. The role requires hands-on testing of IBM i/AS400 applications across functional, integration, system, and regression testing.

You will design test cases, validate RPG/RPGLE, CLLE, and DB2/400 components, and coordinate with analysts and developers in a complex enterprise setting. You will also support UAT and production validation, execute data validation and reconciliation

Qualifications

• Experience testing legacy AS400 applications.
• Experience in AMS, Transition, Migration, or Modernization programs.
• Strong analytical and troubleshooting skills.
• Excellent communication and stakeholder management skills.
• Understanding of AS400 architecture, libraries, jobs, subsystems, and DB2/400 data structures.

Responsibilities

• Design and execute Functional, Integration, System, and Regression test cases.
• Validate AS400 / IBM i applications built using RPG/RPGLE, CLLE, and DB2/400.
• Perform batch job testing, scheduler validation, restart/recovery testing, and reconciliation testing.
• Validate interfaces, file transfers, and end‑to‑end business processes.
• Execute data validation and reconciliation activities across integrated systems.
• Log, track, and retest defects using defect management tools.
• Prepare test plans, test scenarios, test cases, and test execution reports.
• Support User Acceptance Testing (UAT), migration testing, and production validation activities.
• Collaborate with business analysts, developers, and stakeholders to ensure quality deliverables.

Skills

AS400 testing legacy

AMS/Transition/Migration

Analytical troubleshooting

Communication & stakeholder mgmt

AS400 architecture & DB2/400

Tools

Jira/ALM

SQL Queries

File Validation Tools

Job description

Dear Aspirant,

Greetings from TCS !

TCS presents excellent opportunity for AS400 Test Engineer.

NOTE: We are looking for early joiner [ Immediate to 30 days ]

Job description mentioned below for your reference.

JO DESCRIPTION - AS400 Test Engineer

Experience: 4 - 8 Years

Job Location: Pune / Bangalore

Experience: 4 to 8 Years

Role Summary

We are looking for an experienced AS400 (IBM i) Test Engineer with strong expertise in testing business applications running on the IBM i platform. The candidate should have hands‑on experience in functional, integration, system, regression, batch, and data validation testing in AS400 environments.

Key Responsibilities

• Design and execute Functional, Integration, System, and Regression test cases.
• Validate AS400 / IBM i applications built using RPG/RPGLE, CLLE, and DB2/400.
• Perform batch job testing, scheduler validation, restart/recovery testing, and reconciliation testing.
• Validate interfaces, file transfers, and end‑to‑end business processes.
• Execute data validation and reconciliation activities across integrated systems.
• Log, track, and retest defects using defect management tools.
• Prepare test plans, test scenarios, test cases, and test execution reports.
• Support User Acceptance Testing (UAT), migration testing, and production validation activities.
• Collaborate with business analysts, developers, and stakeholders to ensure quality deliverables.

Required Skills

Experience testing legacy AS400 applications.

• Experience in AMS, Transition, Migration, or Modernization programs.
• Strong analytical and troubleshooting skills.
• Excellent communication and stakeholder management skills.
• Understanding of AS400 architecture, libraries, jobs, subsystems, and DB2/400 data structures.

AS400 / IBM i

• IBM i (AS400)
• RPG / RPGLE
• CLLE (Control Language)
• DB2/400
• AS400 application testing

Testing Skills

• Functional Testing
• System Testing
• Integration Testing
• Regression Testing
• Batch Testing
• Interface Testing
• Data Validation & Reconciliation
• Defect Lifecycle Management

Tools

• Jira / ALM
• SQL Queries
• File Validation Tools

Good to Have

• Infor XA / MAPICS Testing
• Manufacturing Domain Knowledge
• Supply Chain or Finance Domain Experience
• API Testing
• Exposure to Test Automation tools such as Selenium, Playwright, Tosca, UFT, or Python-based frameworks

• ISTQB certification preferred.