Mainframe DBB Expert

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. 

Responsibilities 
• Design, develop, and maintain automated build solutions using IBM Dependency Based Build (DBB). 
• Implement and support Git-based development workflows for Mainframe applications. 
• Develop and maintain CI/CD pipelines using Jenkins, GitLab CI/CD, Azure DevOps, or equivalent platforms. 
• Configure and optimize dependency analysis, impact analysis, and incremental build processes using DBB. 
• Integrate DBB with Git repositories, SCM tools, and enterprise DevOps toolchains. 
• Automate build, test, deployment, and release processes using Groovy, Python, REXX, and Shell scripting. 
• Support SCM migration initiatives from Endevor/Changeman to Git-based source code management systems. 
• Collaborate with Development, Infrastructure, and DevOps teams to implement modern engineering practices. 
• Create and maintain technical documentation, build frameworks, standards, and operational procedures. 
• Support Mainframe Modernization and Digital Transformation programs through automation and DevOps adoption. 
• Troubleshoot build, deployment, and pipeline issues across development and test environments. Preferred Skills 
• Strong experience with IBM Dependency Based Build (DBB) implementation and administration. 
• Experience with UrbanCode Deploy (UCD) or equivalent deployment automation tools. 
• Experience supporting Endevor-to-Git or SCM modernization initiatives. 
• Exposure to Zowe CLI, VS Code for Z, IBM Developer for z/OS (IDz), and modern developer tooling. 
• Knowledge of Mainframe DevOps, GitOps, and CI/CD best practices. 
• Experience working on large-scale Mainframe Modernization and Transformation programs. Soft Skills 
• Strong analytical and problem-solving skills. 
• Excellent communication and stakeholder management skills. 
• Self-driven with strong ownership and accountability. 
• Ability to work independently and collaborate effectively within Agile teams. 
• Strong mentoring and knowledge-sharing capabilities. 

Primary Skill: IBM Dependency Based Build (DBB) Secondary Skills: Git, Jenkins, GitLab CI/CD, Azure DevOps, Groovy, COBOL, JCL, z/OS, UCD, Zowe, Mainframe DevOps