Senior Mainframe Developer

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

Mode of interview : 1st 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.