Mainframe Developer

Tekskills; Hyderabad; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Tekskills is seeking a skilled Mainframe with DevOps professional to join our team in Hyderabad, India. You will analyze complex mainframe applications (COBOL, CICS, JCL, DB2, VSAM, MQ) to understand rules and data flows, and design modernization strategies.

Responsibilities include building end-to-end CI/CD pipelines (Jenkins, Git, DBB), establishing automated testing, and scripting with Python/REXX/Bash. Proficiency with IDz, Z/OS Connect, and Zowe is highly valued.

Qualifications

• Experience analyzing mainframe applications (COBOL, CICS, JCL, DB2, VSAM, MQ).
• Experience in mainframe transformation patterns.
• AI-based transformation approach is a plus.
• Experience with IDz and Z/OS Connect tools.
• Design and implement modernization strategies (rehost, refactor, rearchitect, replace, retire).
• Design, build, and maintain end-to-end CI/CD pipelines for mainframe and distributed apps (Jenkins, Git, DBB).
• Shift-left testing and automated testing within mainframe lifecycle.
• Proficiency in scripting languages: Python, REXX, Bash.
• Solid understanding of z/OS environments, CICS, DB2, JCL, COBOL/PL/I.
• DevOps tooling: Git and CI/CD; familiarity with IBM Z tools (IDz, DBB, Zowe).

Responsibilities

• Analyze complex mainframe applications to understand business rules, data flows, batch cycles, and interdependencies.
• Drive modernization strategies including rehost, replatform, refactor, rearchitect, replace, or retire.
• Design, build, and maintain CI/CD pipelines for mainframe and distributed apps using Jenkins, Git, and DBB.
• Establish automated testing and code quality checks within the mainframe lifecycle.
• Write and optimize scripts in Python, REXX, or Bash to automate tasks and z/OS processes.
• Leverage IDz, Zowe, and Z/OS Connect tooling to support development and integration.

Skills

COBOL

CICS

JCL

DB2

VSAM

MQ

CI/CD

Git

Python

REXX

Bash

IDz

Zowe

DBB

z/OS

Tools

IDz

Zowe

Z/OS Connect

DBB

Jenkins

Git

Job description

Mainframe with DevOps

• Analyze complex mainframe applications (COBOL, CICS, JCL, DB2, VSAM, MQ) to understand business rules, data flows, batch cycles, and system interdependencies.
• Experienced in Mainframe transformation design patterns
• AI based transformation approach will be a plus
• Experience in IDz, Z/OS connect tools
• Design and implement modernization strategies including rehost, replatform, refactor, rearchitect, replace, or retire approaches
• Pipeline Automation:Design, build, and maintain end-to-end CI/CD pipelines for mainframe and distributed applications using tools like Jenkins, Git, and IBM Dependency Based Build (DBB).
• Shift-Left Testing:Establish best practices for automated testing, unit testing, and code quality checks directly within the mainframe development lifecycle.
• Scripting & Tooling:Write and optimize scripts in languages like Python, REXX, or Bash to automate routine tasks and z/OS system processes
• Mainframe Foundations:Solid understanding of z/OS environments, CICS, DB2, JCL, and traditional languages like COBOL or PL/I.
• DevOps Tooling:Proficiency in source control (Git) and CI/CD tools. Familiarity with IBM Z specific tools (IDz, DBB, and Zowe) is highly preferred.