
Mainframe Developer
24 hours ago
Job Summary
We are looking for a seasoned Mainframe Developer to join our team. The ideal candidate will design, develop, maintain, and enhance mission-critical mainframe applications. In addition to strong skills in COBOL, JCL and mainframe technologies, this role requires hands-on experience in CI/CD pipelines, automation, and DevOps practices to accelerate delivery and improve reliability.
Key Responsibilities
- Design, develop, test, debug and maintain mainframe applications (primarily in COBOL) in a large-scale transactional environment.
- Create, modify, and optimize JCL scripts / jobstreams for batch processing jobs.
- Work with tools and utilities in a z/OS environment (e.g. TSO/ISPF, SDSF, JES, utilities).
- Integrate with online mainframe transactions (e.g. CICS, IMS) and backend batch systems.
- Participate in design & architecture discussions, and translate functional requirements into technical designs.
- Implement unit testing, integration testing, and performance tuning of mainframe programs.
- Troubleshoot and resolve production issues, ensuring high availability and minimal downtime.
- Collaborate with cross-functional teams (business analysts, QA, operations) to deliver high-quality software.
- Automate build, deploy, and release processes via CI/CD pipelines for mainframe artifacts.
- Maintain version control, branching/merging, and ensure code quality and adherence to coding standards and best practices.
- Drive continuous improvement: suggest and implement process enhancements, automation, and tooling.
- Mentor junior engineers, conduct code reviews, and promote knowledge sharing.
Required Skills & Qualifications
- Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent experience).
- Strong experience in COBOL
for mainframe development. - Deep knowledge of
JCL / job control / batch scheduling
and scripting for job automation. - Solid experience with
mainframe platforms
(z/OS, MVS) and familiarity with system utilities. - Hands-on experience in
CI/CD / DevOps
for mainframe: building automated pipelines for compile, test, deploy. - Familiarity with modern DevOps tools (e.g. Jenkins, Git, Ansible, UrbanCode, XL Deploy, or other relevant tools).
- Experience with version control systems and branching strategies.
- Exposure to CICS, IMS, DB2, VSAM, or equivalent subsystems (preferred).
- Strong debugging, performance tuning, and troubleshooting skills.
- Understanding of software development lifecycle (SDLC) and best practices (unit testing, code reviews, documentation).
- Ability to work in agile / iterative environment, attend Scrum ceremonies, etc.
- Excellent analytical, problem-solving, and communication skills.
- Ability to work independently and in a team, with stakeholders across business & technical domains.
Preferred / Nice-to-Have
- Experience in
mainframe modernization
(for example, migrating to APIs, integrating with cloud, exposing mainframe services). - Experience with tools such as Endeavor, ChangeMan, CA Endevor, IBM UrbanCode, or other mainframe release management tools.
- Knowledge of scripting (e.g. Unix shell, REXX, CLIST) for automation.
- Familiarity with monitoring, logging, and observability tools in mainframe environments.
- Domain experience (banking, finance, insurance, government) is a plus.
- Prior experience mentoring or leading small teams.
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