Mainframe Developer
6 days ago
Key Responsibilities
- Mainframe Application Development:
- Design, develop, and maintain mainframeapplications using COBOL in a z/OS environment.
- Write and optimize JCL (Job Control Language) to execute batch jobs and manage job scheduling and dependencies.
- Database Management and Development:
- Develop and maintain DB2 database objects including tables, views, indexes, and stored procedures.
- Write and optimize SQL queries for data retrieval, updates, and analysis.
- Data Analysis:
- Utilize SQL for data analysis to generate reports, extract data insights, and support decision-making processes.
- Perform data validation and ensure data integrity across mainframe systems.
- Job and Batch Processing:
- Monitor and troubleshoot batch jobs to ensure timely and accurate processing.
- Debug and resolve issues related to job failures, performance bottlenecks, and data discrepancies.
- System Maintenance and Optimization:
- Conduct performance tuning and optimization of COBOL programs, JCL scripts, and DB2 queries.
- Implement and manage mainframe system updates, patches, and upgrades.
- Documentation and Reporting:
- Create and maintain technical documentation for mainframe applications, job flows, and database schemas.
- Provide regular status updates and reports on development progress, job performance, and data analysis.
- Collaboration and Support:
- Work closely with other developers, system administrators, and business analysts to understand requirements and deliver solutions.
- Provide support for production issues and participate in on-call rotations as required.
- Education: Bachelor's degree in Computer Science, Information Technology, or a related field. Advanced degree is a plus.
- Experience:
- 3+ years of experience working with Mainframe z/OS environments, including COBOL, JCL, and DB2.
- Proven experience in developing, debugging, and optimizing mainframeapplications and batch jobs.
- Strong experience in SQL for data analysis and reporting.
- Skills:
- Programming Languages: Proficiency in COBOL for mainframe application development.
- Job Control: Expertise in JCL for managing batch jobs and job scheduling.
- Database Skills: Experience with DB2, including database design, SQL query optimization, and performance tuning.
- Data Analysis: Strong SQL skills for data extraction, analysis, and reporting.
- Problem-Solving: Excellent troubleshooting skills to resolve issues related to job execution, performance, and data integrity.
- Communication: Strong written and verbal communication skills to document work and collaborate with team members.
- Certifications (preferred but not required):
- IBM Certified System Administrator for z/OS
- IBM Certified Application Developer - COBOL
- DB2 Certification for Developers
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