Java Mainframe Developer

Signature IT World Inc; Chicago (IL); On-site; USD 120,000 - 160,000; Full time

Job summary

Signature IT World Inc is seeking an experienced Mainframe Developer with 10+ years of enterprise mainframe development. The role focuses on COBOL, JCL, DB2, CICS, and VSAM, delivering reliable solutions in a mainframe environment.

You will analyze business requirements, design robust technical solutions, and support production environments, including debugging and performance tuning.

Qualifications

• 10+ years of mainframe development experience.
• Hands-on COBOL, JCL, DB2, CICS and VSAM proficiency.
• Strong SQL and database development skills; batch and online TP.

Responsibilities

• Develop, enhance and maintain COBOL mainframe applications supporting critical business processes.
• Design, develop and optimize JCL jobs for batch processing and scheduling.
• Develop and maintain DB2 database programs, including SQL queries and tuning.
• Develop and support CICS online programs for real-time transactions.
• Work with VSAM files for storage, access, and file management.
• Analyze requirements and translate them into technical solutions.
• Perform debugging, troubleshooting, and root-cause analysis.
• Optimize programs and batch processes for performance and reliability.
• Participate in testing, deployment and production support activities.
• Collaborate with analysts, technical teams and stakeholders.
• Prepare technical documentation and knowledge transfer.
• Ensure solutions meet enterprise coding and quality standards.

Skills

COBOL

JCL

DB2

CICS

VSAM

Mainframe Application Development

Batch Processing

Online Transaction Processing

SQL

Production Support

Requirement Analysis

Job description

We are seeking an experienced Mainframe Developer with 10+ years of experience in developing, maintaining, and supporting enterprise mainframe applications. The ideal candidate should have strong hands-on experience with COBOL, JCL, DB2, CICS, and VSAM and should be capable of analyzing business requirements and delivering reliable technical solutions in a mainframe environment.

Must-Have Skills

• COBOL
• JCL
• DB2
• CICS
• VSAM
• Mainframe Application Development
• Batch Processing
• Online Transaction Processing
• SQL
• Production Support
• Requirement Analysis

Key Responsibilities

• Develop, enhance, and maintain COBOL mainframe applications supporting critical business processes.
• Design, develop, and optimize JCL jobs for batch processing and scheduling.
• Develop and maintain DB2 database programs, including SQL queries, data retrieval, performance tuning, and optimization.
• Develop and support CICS online programs for real-time transaction processing.
• Work with VSAM files for data storage, access, and file management.
• Analyze business and functional requirements and translate them into technical solutions.
• Perform application debugging, troubleshooting, and root-cause analysis.
• Optimize existing programs and batch processes for performance and reliability.
• Participate in application testing, deployment, and production support activities.
• Collaborate with business analysts, technical teams, and other stakeholders.
• Prepare technical documentation and support knowledge-transfer activities.
• Ensure developed solutions meet enterprise coding and quality standards.

Required Experience

• 10+ years of experience in Mainframe development.
• Strong hands-on experience with COBOL, JCL, DB2, CICS, and VSAM.
• Strong SQL and database development experience.
• Experience with both batch and online transaction processing.
• Ability to understand business requirements and provide techno-functional solutions.
• Strong troubleshooting and problem-solving skills.
• Good communication and stakeholder collaboration skills.