Demo

Mainframe Developer - Only W2

Advent Global Solutions, Inc.
Peoria, IL Contractor
POSTED ON 8/24/2026
AVAILABLE BEFORE 9/21/2026

Job Description:

We are seeking an experienced Mainframe Application Support / Systems Programmer with strong expertise in COBOL, JCL, DB2, and enterprise scheduling tools. The ideal candidate will have expert-level hands-on experience supporting, maintaining, troubleshooting, and enhancing large-scale mainframe applications and batch processing environments.

Key Responsibilities

  • Develop, maintain, enhance, and support mainframe applications using COBOL.
  • Create, modify, troubleshoot, and optimize JCL for batch processing and production workloads.
  • Work extensively with DB2 for database access, SQL queries, program integration, troubleshooting, and performance-related activities.
  • Monitor and manage enterprise scheduling and batch job processing.
  • Investigate and resolve production incidents, job failures, abends, and data-related issues.
  • Analyze application and system issues and provide timely resolution in accordance with established SLAs.
  • Support production deployments, application releases, and change management activities.
  • Perform root cause analysis and implement permanent fixes for recurring production issues.
  • Collaborate with application development, infrastructure, database, and operations teams.
  • Maintain technical documentation and support knowledge-sharing activities.

Required Skills

  • COBOL Expert Level
  • JCL Expert Level
  • DB2 Expert Level
  • Scheduler Knowledge Expert Level
  • Strong troubleshooting, debugging, and production support skills.
  • Ability to analyze complex batch processing and application issues.
  • Experience working in large-scale enterprise mainframe environments.

Preferred Skills

  • IMS DB Strong working knowledge is a significant advantage.
  • IMS DC Good to have but not required.
  • SAS Good to know.

Skills Needed:

  • COBOL - Expert level
  • JCL - Expert level
  • DB2 - Expert level
  • Scheduler knowledge - Expert level
  • IMS DB - Working Knowledge is huge plus.
  • IMS DC - Ok to have it but not needed
  • SAS - Good to Know

Salary : $40 - $50

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