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Mainframe Assembler Developer

Talentrix AI INCAddison, TX🇺🇸United StatesPosted 1 Sept 2026

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
Addison, TX, United States
Posted
21 hours ago

Job Description

Mainframe Assembler Developer

Introduction: As a Mainframe Assembler Developer, you will be responsible for developing and supporting IBM Mainframe applications. This role will require hands-on expertise in IBM Assembler (HLASM) programming, JCL development, and troubleshooting, among other key skills.

Responsibilities:

  • Develop and maintain IBM Mainframe applications
  • Troubleshoot and debug issues in the applications
  • Work with GDGs and batch processing
  • Utilize Connect:Direct (NDM) for file transfers
  • Implement changes using ISPW or equivalent change management tools
  • Manage scheduling using CA7
  • Work in a TSO/ISPF environment
  • Collaborate with team members and stakeholders on project requirements

Requirements:

Required Qualifications:

  • 8+ years of experience in IBM Mainframe application development and production support
  • Strong hands-on expertise in IBM Assembler (HLASM) programming
  • Experience with JCL development and troubleshooting
  • Knowledge of GDGs and batch processing
  • Proven experience with Connect:Direct (NDM)
  • Experience with ISPW or equivalent change management tools
  • Experience with CA7 scheduling
  • Proficiency in working in a TSO/ISPF environment
  • Experience with GitHub CoPilot

Preferred Qualifications:

  • Experience with other mainframe tools and technologies
  • Certifications in relevant technologies
  • Experience working in a hybrid environment

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