Mainframe z/OS Developer

Overview

On Site
$100,000 - $120,000
Full Time

Skills

mainframe developer

Job Details

Job Summary:

We are looking for an experienced Mainframe z/OS Developer to design, develop, and maintain enterprise-level applications on IBM Mainframe systems. The ideal candidate should have hands-on experience with z/OS, COBOL, JCL, DB2, CICS, and associated mainframe tools.

Key Responsibilities:

  • Design, develop, test, and deploy applications on IBM z/OS platform.

  • Write and maintain COBOL, JCL, DB2, and CICS programs.

  • Analyze and optimize batch and online processes for performance and reliability.

  • Collaborate with system administrators to manage mainframe environment configurations, version upgrades, and job scheduling.

  • Perform troubleshooting, debugging, and root cause analysis on production issues.

  • Participate in code reviews, impact analysis, and documentation.

  • Work closely with business analysts to translate functional requirements into technical design.

  • Implement and maintain data security and integrity practices on the mainframe.

Required Skills & Experience:

  • Strong proficiency in COBOL, JCL, CICS, DB2, VSAM, and TSO/ISPF.

  • Working knowledge of IBM z/OS operating system and utilities.

  • Experience with file handling, batch processing, and performance tuning.

  • Hands-on experience with ChangeMan, Endevor, or other mainframe version control tools.

  • Familiarity with RACF security, SDSF, and MQ Series preferred.

  • Excellent problem-solving and analytical skills.

  • Ability to work effectively in a collaborative, agile environment.

Nice to Have:

  • Exposure to REXX, Assembler, or PL/I programming.

  • Experience with z/OS Connect, API enablement, or modernization projects (e.g., integrating mainframe with cloud/microservices).

  • Knowledge of DevOps tools (Jenkins, Git) in mainframe context.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.