Mainframe Developer

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

Job summary

Quantum Technologies LLC in Tampa, FL is seeking an experienced Mainframe Developer to design, develop, enhance, and maintain enterprise-level mainframe applications. You will leverage COBOL, JCL, DB2, CICS, and VSAM to deliver high-performance solutions and robust batch processing.

The role collaborates with business analysts, QA, and cross-functional teams, providing debugging, production support, and detailed documentation to ensure system stability and compliance with development standards.

Qualifications

• Extensive experience with COBOL, JCL, DB2, CICS, and VSAM.
• Strong batch processing and job scheduling skills.
• Experience in debugging and production support.
• Ability to work with analysts, QA teams and cross-functional groups.

Responsibilities

• Design, develop, maintain, and enhance mainframe applications using COBOL.
• Develop, execute, and troubleshoot JCL scripts for batch processing.
• Work with DB2 to write SQL and manage database operations.
• Develop online transaction processing applications using CICS.
• Work with VSAM datasets and manage data.
• Analyze requirements and convert to technical solutions.
• Perform debugging, RCA, and production issue resolution.
• Monitor batch jobs and ensure successful execution.
• Participate in testing, reviews, and deployments.
• Collaborate across teams to support enhancements and integrations.
• Prepare technical documentation and procedures.
• Ensure performance, data accuracy, stability, and compliance.

Skills

COBOL

JCL

DB2

CICS

VSAM

Batch processing

Application development

Debugging

Production support

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Job Summary:

We are looking for an experienced Mainframe Developer responsible for designing, developing, enhancing, and maintaining enterprise-level mainframe applications. The ideal candidate should have strong experience in COBOL, JCL, DB2, CICS, and VSAM, along with expertise in batch processing, application development, debugging, and production support. The candidate will work closely with business analysts, technical teams, and QA teams to deliver reliable, scalable, and high-performance mainframe solutions.

Key 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.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.