IBM Mainframe Developer

Precision Technologies; United States; On-site; USD 70,000 - 120,000; Full time

Job summary

Precision Technologies is seeking a Mainframe DBB Expert to lead modernization and DevOps transformation projects. The candidate will bring hands-on IBM Mainframe development experience and expertise in Dependency Based Build (DBB), CI/CD automation, and Git-based workflows.

Ideal candidates have 7+ years in IBM mainframe development, with COBOL, JCL, CICS, DB2, z/OS, and familiarity with Endevor or similar SCM tools.

Qualifications

• 7+ years of IBM Mainframe development, DevOps transformation, and modernization initiatives.
• Strong hands-on expertise in IBM Dependency Based Build (DBB), CI/CD automation, and Git-based development practices.

Skills

DBB (IBM Dependency Based Build)

Mainframe development

COBOL

CI/CD automation

Git-based development

Groovy scripting

Python/Shell scripting

Tools

Git

Jenkins

GitHub

GitLab

Bitbucket

Groovy

Job description

Primary Skill: IBM Dependency Based Build (DBB)

Job Title - Mainframe DBB Expert – Mainframe Modernization & DevOps Transformation (7+ Years) Experience

7+ years of experience in IBM Mainframe application development, DevOps transformation, and modernization initiatives with strong hands-on expertise in IBM Dependency Based Build (DBB), CI/CD automation, and Git-based development practices.

Required Skills

• Strong experience in COBOL, JCL, CICS, DB2, z/OS, TSO/ISPF, USS, and Mainframe application development.
• Hands-on experience with IBM Dependency Based Build (DBB) for build automation and dependency management.
• Experience with Git, GitHub, GitLab, Bitbucket, or similar source code management platforms.
• Strong understanding of Mainframe DevOps, CI/CD, and Agile development practices.
• Experience with Jenkins, GitLab CI/CD, Azure DevOps, or similar CI/CD orchestration tools.
• Strong hands-on experience with Groovy scripting and YAML-based pipeline development.
• Experience with Python, REXX, or Shell scripting for automation and tooling.
• Knowledge of build automation, deployment automation, and release management processes.
• Familiarity with Endevor, Changeman, or other Mainframe SCM tools.
• Experience with REST APIs, JSON, XML, Zowe, IBM Developer for z/OS (IDz), and z/OS Connect.
• Experience working in Mainframe Modernization, Git adoption, or DevOps transformation programs.