Senior Mainframe Developer

Senior Mainframe Developer

Location: Jacksonville, Florida, USA, 5 days work form office

Mode of interview : 1^st Round Virtual

2nd Round Face to Face

Experience Level: Senior (10+ years)

Job Summary

We are seeking an experienced Senior Mainframe Developer to support the design, development, maintenance, and enhancement of mission?critical enterprise applications. The ideal candidate will possess extensive hands-on expertise with mainframe technologies, including COBOL, DB2, JCL, CICS, IMS?DB, and associated tools. This role requires strong analytical capabilities, a commitment to reliability, and the ability to provide comprehensive 24/7/365 production support for high?availability systems.

Key Responsibilities

• Design, develop, test, and implement new and existing mainframe business applications.


• Provide continuous production support, including troubleshooting and resolution of system issues to ensure maximum system stability and availability.


• Develop and maintain interfaces, reports, and utilities to support core business functions.


• Conduct system integration testing and support user acceptance testing activities.


• Review, enhance, and debug existing programs to improve performance, efficiency, and reliability.


• Collaborate with cross-functional teams, including business analysts, testers, and infrastructure teams, to resolve issues and deliver enhancements.

Technical Environment

• Languages & Tools: COBOL, JCL, Changeman, File?Manager, IBM Debug Tool, dBeaver, IWS Job Scheduler, MQMON, TSO/ISPF


• Databases: DB2, IMS?DB


• Transaction Management: CICS


• File Systems: VSAM

Required Qualifications

• 5 to 15 years of progressive, hands-on experience with:
  
  
  
  
  • COBOL
  
  
  • DB2
  
  
  • JCL
  
  
  • IMS?DB
  
  
  • CICS
  
  
  • VSAM
  
  
  
  


• Proven experience supporting highly available systems in a 24/7/365 production environment.


• Strong analytical, diagnostic, and problem?solving skills.


• Effective verbal and written communication abilities, with the capacity to collaborate across departments.

Preferred Qualifications

• Experience using enterprise job scheduling tools such as IWS, CA7.


• Knowledge of mainframe debugging and file management utilities.


• Exposure to Agile or DevOps methodologies and practices.

Soft Skills

• Strong organizational and time?management capabilities.


• Ability to work independently with minimal supervision, as well as collaboratively in a team environment.


• Proactive approach with an emphasis on continuous improvement.


• Effective communication skills for interactions with both technical and non?technical stakeholders.


• Flexibility and adaptability to evolving business priorities.