Role: Sr. Mainframe/Cobol Developer (Natural and ADABAS)

Location: Trenton, NJ (Onsite)

Position Type: Contract

*Local Candidates only. Candidates should have strong background in Cobol, ADABAS, and Natural. strong in JCL as well.

Job Description:

We are looking for a Senior Mainframe Developer / COBOL Senior Consultant to evaluate existing systems and user needs in order to analyze, design, recommend, and implement information system changes. This position will be a full-time contract role and is onsite in Trenton, NJ.

What You’ll Do:

• Participate in development efforts supporting the project involving multiple legacy mainframe applications
• Analyze existing legacy systems and provide code walkthroughs, logic analysis, and technical documentation to ITS development teams
• Design, develop, modify, test, and maintain COBOL and NATURAL programs, along with associated JCL jobs, based on functional specifications and enhancement requests
• Perform ongoing maintenance and enhancements to batch and online mainframe applications
• Troubleshoot and resolve production issues, job failures, and system abends, including root cause analysis and corrective actions
• Analyze ADABAS database structures, files, and access methods to support application development and system integration
• Develop and maintain data feeds, file layouts, and interface processes between legacy systems and modernized ITS components
• Participate in system design reviews, technical planning sessions, and code reviews
• Produce and maintain technical documentation, including program specifications, data definitions, job flows, and system architecture documentation
• Support system testing, integration testing, and user acceptance testing UAT
• Implement best practices for mainframe development, including coding standards, version control, and change management
• Assist with performance tuning and optimization of batch jobs, database access, and program execution
• Provide production support for mission critical applications and collaborate closely with analysts, architects, and development teams