Mainframe DBB Expert Mainframe Modernization & DevOps Transformation

Job Title - Mainframe DBB Expert Mainframe Modernization & DevOps Transformation Experience

Remote

Long Term Contract

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 SkillsCO

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