COBOL/DB2 Application Developer Job at KonnectIT, Chicago, IL

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  • KonnectIT
  • Chicago, IL

Job Description

We are seeking a COBOL/DB2 Application Developer/Manager with more than six years of experience in enterprise application development and management. The ideal candidate will have strong expertise in COBOL and DB2 , with proven experience maintaining, enhancing, and modernizing mainframe applications critical to business operations. Additional expertise in IMS DB/DC, JCL, and CICS is required for this role.

Key Responsibilities 

  • Design, develop, enhance, and maintain mainframe applications using COBOL, DB2, IMS DB/DC, JCL, and CICS. 
  • Analyze business requirements and translate them into technical solutions. 
  • Write, optimize, and troubleshoot DB2 queries, stored procedures, and batch jobs. 
  • Support application performance tuning, debugging, and defect resolution. 
  • Manage batch processing workflows with JCL and CA Scheduler. 
  • Provide production support and ensure system reliability. 
  • Collaborate with business analysts, QA teams, and operations to ensure smooth delivery. 
  • Document technical processes and contribute to system modernization initiatives. 

Mandatory Skills 

  • Strong hands-on expertise in COBOL and DB2. 
  • Experience with IMS DB/DC, JCL, and CICS in enterprise environments. 
  • Proficiency in designing, coding, testing, and supporting mainframe applications. 
  • Solid understanding of enterprise application architecture and SDLC. 
  • Ability to troubleshoot and resolve application and performance issues. 

Desirable Skills 

  • Experience with CA Scheduler or similar job scheduling tools. 
  • Knowledge of application modernization strategies (e.g., migrating legacy applications to distributed or cloud platforms). 
  • Familiarity with performance monitoring and tuning in DB2 and CICS environments. 
  • Strong documentation and knowledge-sharing skills. 
  • Exposure to Agile development methodologies.

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