Mainframe Developer

Job description 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. Qualifications 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