Senior Mainframe Developer - COBOL, CICS & DB2 Expert

Valiant Technologies LLC; Tampa (FL); On-site; USD 100,000 - 140,000; Full time

Job summary

Valiant Technologies LLC in Tampa, FL is seeking an experienced Mainframe Developer to design, develop, enhance, and maintain enterprise-level mainframe applications. The role requires strong COBOL, JCL, DB2, CICS, and VSAM skills for batch processing, online transactions, and production support.

You will collaborate with business analysts, QA, and cross-functional teams to deliver reliable, scalable solutions while adhering to development standards and documentation practices.

Qualifications

• Experience designing and developing mainframe applications using COBOL and JCL.
• Strong DB2 SQL skills and experience with performance tuning.
• Hands-on experience with CICS and VSAM data sets.
• Experience with batch processing, jobs scheduling, and production support.
• Ability to analyze requirements and translate into technical solutions.
• Familiarity with documentation and code reviews.

Responsibilities

• Design, develop, maintain, and enhance mainframe applications using COBOL and related technologies.
• Develop, execute, and troubleshoot JCL for batch processing and job scheduling.
• Write complex SQL queries and manage DB2 operations.
• Develop and maintain online transactions 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 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

Tools

DB2

CICS

VSAM

Job description

Valiant Technologies LLC in Tampa, FL is seeking an experienced Mainframe Developer to design, develop, enhance, and maintain enterprise-level mainframe applications. The role requires strong COBOL, JCL, DB2, CICS, and VSAM skills for batch processing, online transactions, and production support.

You will collaborate with business analysts, QA, and cross-functional teams to deliver reliable, scalable solutions while adhering to development standards and documentation practices.