Senior Mainframe Modernization Developer (COBOL/CICS/DB2)

Computer Task; New York, Pittsburgh (NY, Allegheny County); On-site; USD 120,000 - 160,000; Full time

Job summary

CTG, a Cegeka company, is seeking a Mainframe Application Developer - Modernization to join our client and help transform critical mainframe systems. You will develop, enhance, maintain, and modernize COBOL-based applications using CICS and DB2, and design APIs to integrate with distributed and cloud environments while preserving reliability and security.

The position is onsite four days a week in New York, NY or Pittsburgh, PA for a six‑month duration.

Qualifications

• 10+ years of industry experience.
• Extensive experience developing and supporting mainframe applications.
• Demonstrated experience with CICS, COBOL, and DB2.
• Experience participating in modernization initiatives, including API-driven integrations and language migrations.

Responsibilities

• Develop, enhance, maintain, and modernize mainframe applications.
• Analyze existing mainframe applications and identify opportunities for modernization and performance improvements.
• Support modernization initiatives, including language migration and API integration with non-mainframe environments.
• Develop and maintain COBOL, CICS, and DB2-based applications.
• Design APIs and integration solutions connecting mainframe with distributed/cloud environments.
• Collaborate with architects, stakeholders, and technology teams to implement modernization solutions.
• Troubleshoot issues, perform root-cause analysis, and implement sustainable fixes.
• Adopt modern technologies such as Java and/or Python alongside mainframe tools.
• Participate in code reviews, testing, deployment, and ongoing support.
• Ensure solutions meet standards for quality, security, and reliability.

Skills

Mainframe development

COBOL

CICS

DB2

APIs and integration

Java/Python with mainframe

Analytical thinking

Communication

Education

Bachelor's degree in Computer Science or related field

Job description

CTG, a Cegeka company, is seeking a Mainframe Application Developer - Modernization to join our client and help transform critical mainframe systems. You will develop, enhance, maintain, and modernize COBOL-based applications using CICS and DB2, and design APIs to integrate with distributed and cloud environments while preserving reliability and security.

The position is onsite four days a week in New York, NY or Pittsburgh, PA for a six‑month duration.