Mainframe Development jobs

COBOL Developer

Info Way Solutions LLC · Posted Nov 13, 2026

Open

Boston, Massachusetts, United States
On-site
Full-time · Mid
3+ years

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COBOL Developer

Info Way Solutions LLC · Posted Nov 13, 2026

Open

Boston, Massachusetts, United States
On-site
Full-time · Mid
3+ years

Apply with Referso

Sr. Mainframe Developer

Omm IT Solutions · Posted Nov 10, 2026

Open

Woodlawn, Maryland, United States
On-site
Full-time · Senior
7–13 years

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Develop and maintain COBOL, REXX, JCL, CLIST, CICS, and DB2 code and database structures in accordance with client standards and software engineering best practices.

Responsibilities

Develop and maintain COBOL, REXX, JCL, CLIST, CICS, and DB2 code and database structures
Use mainframe utilities and diagnostic tools
Perform unit testing and validate results against expected outcomes
Assess how database schema changes affect existing software components
Diagnose and resolve application defects involving COBOL, CICS configurations, DB2, business logic, and databases

Requirements

Master's
Bachelor's
Nice to have: SDLC in legacy development environment
Nice to have: Modern development tools
Nice to have: AI tools

Skills

Mainframe development COBOL CICS JCL DB2 REXX CLIST

Mainframe Developer Contractor

Apolis · Posted Nov 11, 2026

Open

Remote, United States
Remote
Contract · Mid
$45–$45 per hour
3–5 years

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Support development and maintenance of mainframe applications

Compensation

Pay - $45/hour on W2

Responsibilities

Assist in coding, testing, and debugging mainframe applications
Provide technical support for mainframe system upgrades and enhancements
Analyze and resolve issues related to mainframe performance and functionality
Collaborate with other IT professionals to ensure seamless integration of mainframe systems
Document mainframe processes and procedures for future reference and compliance

Skills

Mainframe development Coding Testing Debugging System upgrades Performance analysis

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Sr. Mainframe Developer

Global Commerce & Information, Inc. · Posted Nov 11, 2026

Open

Woodlawn, Maryland, United States
On-site
Full-time · Senior
7–13 years

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Develop and maintain COBOL, REXX, JCL, CLIST, CICS, IDMS, and DB2 code and database structures in accordance with client standards and software engineering best practices.

Compensation

Global CI offers competitive compensation and non-salary benefits to all eligible employees.

Responsibilities

Develop and maintain COBOL, REXX, JCL, CLIST, CICS, IDMS, and DB2 code and database structures
Use mainframe utilities and diagnostic tools
Perform unit testing and validate results against expected outcomes
Assess how database schema changes affect existing software components
Diagnose and resolve application defects involving COBOL, CICS configurations, IDMS, DB2, business logic, and databases

Requirements

Master's
Bachelor's
Nice to have: SDLC in legacy development environment
Nice to have: Modern development tools
Nice to have: AI tools

Skills

Mainframe development COBOL CICS JCL IDMS

Mainframe Development jobs

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