Mainframe Tester

Atos; Bengaluru, Mumbai, Chennai District; On-site; INR 800,000 - 1,200,000; Full time

Job summary

Atos is looking for a motivated candidate with at least 3 years of experience in Core Mainframe technologies, including COBOL, CICS, and DB2, located in Bengaluru. The ideal candidate will have a strong background in mainframe rehosting and working with Raincode or Micro Focus platforms.

This role emphasizes the ability to work independently and manage tasks with minimal supervision. Strong communication skills and awareness of Agile methodologies are also important.

Qualifications

• 3+ years of hands-on experience in core mainframe technologies including COBOL, CICS, DB2, JCL, VSAM, and IMS DB/DC.
• Experience in both batch and online processing environments.
• Proven capability in mainframe rehosting or migration projects to Raincode or Micro Focus platforms.

Skills

Core Mainframe technologies

Batch and Online processing

Mainframe rehosting / migration projects

Impact analysis

Agile methodologies

Tools

Raincode

Micro Focus

COBOL

CICS

DB2

JCL

VSAM

IMS DB/DC

Job description

Locations: Mumbai, Bangalore, Chennai

Notice Period: Immediate to maximum 30 days

Experience: 3+ Years

Key Skills & Experience

• Strong hands‑on experience in Core Mainframe technologies: COBOL, CICS, DB2, JCL, VSAM, IMS DB/DC
• Proven experience in both Batch and Online processing environments
• Experience working on mainframe rehosting / migration projects to Raincode / Micro Focus platforms
• Hands‑on expertise with Raincode for code changes, compilation, debugging, and unit testing (Batch & Online)
• Ability to perform impact analysis and understand technical designs
• Experience working on enhancement projects with good understanding of SDLC
• Experience in SIT/UAT defect analysis and fixes
• Awareness of Agile methodologies

Good to Have

• IMS DB/DC, Easytrieve, Assembler, Datacom
• REXX and CLIST
• Telecom domain experience

Professional Competencies

• Strong communication skills
• Ability to work independently with minimal supervision