Senior Mainframe Developer - COBOL, CICS, DB2

Ethereum Technologies LLC; Tampa (FL); On-site; USD 90,000 - 130,000; Full time

Job summary

Ethereum Technologies in Tampa, FL is seeking an experienced Mainframe Developer to design, develop, enhance, and maintain large-scale mainframe applications. You will work with COBOL, JCL, DB2, CICS, and VSAM to deliver reliable, high-performance solutions.

Collaborate with business analysts and QA teams, perform debugging and root-cause analysis, and ensure production stability and compliance with coding standards.

Qualifications

• Experience designing and developing mainframe applications.
• Strong knowledge of COBOL, JCL, DB2, CICS, VSAM.
• Experience with batch processing and production support.
• Experience collaborating with analysts, QA, and cross-functional teams.

Responsibilities

• Design, develop, maintain, and enhance mainframe applications using COBOL and related technologies.
• Develop, execute, and troubleshoot JCL scripts for batch processing and job scheduling.
• Work with DB2 databases to write complex SQL queries, manage database operations, and improve query performance.
• Develop and maintain online transaction processing applications using CICS.
• Work with VSAM datasets, including file creation, access, maintenance, and data management.
• Analyze business and technical requirements and convert them into effective technical solutions.
• Perform application debugging, root cause analysis, and production issue resolution.
• Monitor batch jobs, identify job failures, and ensure successful execution of scheduled processes.
• Participate in application testing, code reviews, system integration, and deployment activities.
• Collaborate with cross-functional teams to support application enhancements and system integrations.
• Prepare and maintain technical documentation, program specifications, and operational procedures.
• Ensure application performance, data accuracy, system stability, and compliance with development standards.

Skills

COBOL

JCL

DB2

CICS

VSAM

Batch processing

Production support

Debugging

Job description

Ethereum Technologies in Tampa, FL is seeking an experienced Mainframe Developer to design, develop, enhance, and maintain large-scale mainframe applications. You will work with COBOL, JCL, DB2, CICS, and VSAM to deliver reliable, high-performance solutions.

Collaborate with business analysts and QA teams, perform debugging and root-cause analysis, and ensure production stability and compliance with coding standards.