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DivIHN Integration Inc Logo
Sr Mainframe Developer

DivIHN Integration Inc

 

Hoffman Estates, IL, USA

Posted On: 3 days ago
Experience: 8+ years
Availability: Remote
Openings: 1
Category: Sr. Mainframe Developer
Tenure: Contract - W2
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Description

You will lead the development, modernization, and maintenance of mission-critical mainframe applications.

This role is remote.

Responsibilities

  • Design, code, and test mainframe applications using TELON, COBOL, CICS, JCL, and DB2.
  • Lead modernization efforts to transition TELON-based applications to contemporary platforms.
  • Perform detailed impact analysis and contribute to technical solution designs.
  • Develop and maintain interfaces between legacy applications and other internal or external systems.
  • Provide L3 support for production issues, including root cause analysis and corrective actions.

Required Skills

  • 8+ years of experience in mainframe application development and system support.
  • Extensive hands-on experience with TELON development, debugging, and code generation.
  • Proficiency in COBOL, JCL, CICS, DB2, and VSAM within a z/OS environment.
  • Experience with Agile, Hybrid, or Waterfall SDLC environments.
  • Strong skills in system tuning, code optimization, and debugging.
  • Knowledge of Java, Jenkins, and DevOps practices.
  • Ability to document complex technical architectures and design artifacts.

Preferred Skills

  • Prior experience in TELON-to-COBOL or TELON-to-Java/.NET migration projects.
  • Experience with mainframe DevOps tools such as Endevor, Changeman, Xpediter, or File-AID.

Education

Any Gradute

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